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Chevrolet
BEL AIR, BISCAYNE and IMPALA
6 cyl 230ci 1963-65 3spd without overdrive, RWD, 318, light duty Muncie, 4 bolt side cover BK131A Inquire
1963-65 3spd with overdrive, RWD, 319, light duty Muncie, 4 bolt side cover BK140 Inquire
235ci 1955-62 3spd without overdrive, RWD, 318, light duty Muncie, 4 bolt side cover BK131A Inquire
1955-62 3spd with overdrive, RWD, 319, light duty Muncie, 4 bolt side cover BK140 Inquire
250ci 1966-67 3spd without overdrive, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115AWS
1966-67 3spd with overdrive, RWD, Saginaw, iron case, 7 bolt side cover BK115B BK115BWS
8 cyl 265ci 1955-57 3spd without overdrive, RWD, 318, light duty Muncie, 4 bolt side cover BK131A Inquire
1955-57 3spd with overdrive, RWD, 319, light duty Muncie, 4 bolt side cover BK140 Inquire
1955-57 4spd, RWD, T10, iron case, 9 bolt side cover BK166A BK166AWS
– thrust bearing between 2nd and 3rd gear
– 72mm O.D. input bearing
1955-57 4spd, RWD, T10, iron case, 9 bolt side cover BK166 BK166WS
– thrust bearing between 2nd and 3rd gear
– 80mm O.D. input bearing
283ci 1957-65 3spd without overdrive, RWD, 318, light duty Muncie, 4 bolt side cover BK131A Inquire
1957-65 3spd with overdrive, RWD, 319, light duty Muncie, 4 bolt side cover BK140 Inquire
1966-67 3spd without overdrive, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115AWS
1966-67 3spd with overdrive, RWD, Saginaw, iron case, 7 bolt side cover BK115B BK115BWS
1957-63 4spd, RWD, T10, 9 bolt side cover, iron case BK166A BK166AWS
– thrust bearing between 2nd and 3rd gear
– 72mm O.D. input bearing
1957-63 4spd, RWD, T10, 9 bolt side cover, iron case BK166 BK166WS
– thrust bearing between 2nd and 3rd gear
– 80mm O.D. input bearing
1963 4spd, RWD, M20, Muncie, aluminum case, 7 bolt side cover BK117A BK117AWS
– 7/8 diameter countershaft pin
– 72mm O.D. input bearing
1963-65 4spd, RWD, M20, Muncie, aluminum case, 7 bolt side cover BK117 BK117WS
– 7/8 diameter countershaft pin
– 80mm O.D. input bearing
1963-65 4spd, RWD, M20, Muncie, aluminum case, 7 bolt side cover BK117HD BK117HDWS
– 7/8 diameter countershaft pin
– 80mm O.D. input bearing
– max load front and rear mainshaft bearings
1965-67 4spd, RWD, M21/M22, Muncie, aluminum case, 7 bolt side cover BK116 BK116WS
– 1 diameter countershaft pin
– 80mm O.D. input bearing
1965-67 4spd, RWD, M21/M22, Muncie, aluminum case, 7 bolt side cover BK116HD BK116HDWS
– 1 diameter countershaft pin
– 80mm O.D. input bearing
– max load front and rear mainshaft bearings
1966-67 4spd, RWD, Saginaw, iron case, has a 7 bolt side cover BK115 BK115WS
327ci 1962-65 3spd without overdrive, RWD, 318, light duty Muncie, 4 bolt side cover BK131A Inquire
1962-65 3spd with overdrive, RWD, 319, light duty Muncie, 4 bolt side cover BK140 Inquire
1966-69 3spd without overdrive, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115AWS
1966-69 3spd with overdrive, RWD, Saginaw, iron case, 7 bolt side cover BK115B BK115BWS
1962-63 4spd, RWD, T10, 9 bolt side cover, iron case BK166A BK166AWS
– thrust bearing between 2nd and 3rd gear
– 72mm O.D. input bearing
1962-63 4spd, RWD, T10, 9 bolt side cover, iron case BK166 BK166WS
– thrust bearing between 2nd and 3rd gear
– 80mm O.D. input bearing
1963 4spd, RWD, M20, Muncie, aluminum case, 7 bolt side cover BK117A BK117AWS
– 7/8 diameter countershaft pin
– 72mm O.D. input bearing
1963-65 4spd, RWD, M20, Muncie, aluminum case, 7 bolt side cover BK117 BK117WS
– 7/8 diameter countershaft pin
– 80mm O.D. input bearing
BEL AIR, BISCAYNE and IMPALA
8 cyl 327ci 1963-65 4spd, RWD, M20, Muncie, aluminum case, 7 bolt side cover BK117HD BK117HDWS
– 7/8 diameter countershaft pin
– 80mm O.D. input bearing
– max load front and rear mainshaft bearings
1965-69 4spd, RWD, M21/M22, Muncie, aluminum case, 7 bolt side cover BK116 BK116WS
– 1 diameter countershaft pin
– 80mm O.D. input bearing
1965-69 4spd, RWD, M21/M22, Muncie, aluminum case, 7 bolt side cover BK116HD BK116HDWS
– 1 diameter countershaft pin
– 80mm O.D. input bearing
– max load front and rear mainshaft bearings
348ci 1957-62 3spd without overdrive, RWD, 318, light duty Muncie, 4 bolt side cover BK131A Inquire
1957-62 3spd with overdrive, RWD, 319, light duty Muncie, 4 bolt side cover BK140 Inquire
1957-62 4spd, RWD, T10, iron case, 9 bolt side cover BK166A BK166AWS
– thrust bearing between 2nd and 3rd gear
– 72mm O.D. input bearing
1957-62 4spd, RWD, T10, iron case, 9 bolt side cover BK166 BK166WS
– thrust bearing between 2nd and 3rd gear
– 80mm O.D. input bearing
350ci 1968-71 3spd without overdrive, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115AWS
1968-71 3spd with overdrive, RWD, Saginaw, iron case, 7 bolt side cover BK115B BK115BWS
1969-71 3spd, RWD, HD Muncie 330, 11 case, 7 bolt side cover BK289 BK289WS
1968-71 4spd, RWD, M21/M22, Muncie, aluminum case, 7 bolt side cover BK116 BK116WS
– 1 diameter countershaft pin
– 80mm O.D. input bearing
1968-71 4spd, RWD, M21/M22, Muncie, aluminum case, 7 bolt side cover BK116HD BK116HDWS
– 1 diameter countershaft pin
– 80mm O.D. input bearing
– max load front and rear mainshaft bearings
396ci 1969 3spd, RWD, HD Muncie 330, 11 case, 7 bolt side cover BK289 BK289WS
1966-69 4spd, RWD, M21/M22, Muncie, aluminum case, 7 bolt side cover BK116 BK116WS
– 1 diameter countershaft pin
– 80mm O.D. input bearing
1966-69 4spd, RWD, M21/M22, Muncie, aluminum case, 7 bolt side cover BK116HD BK116HDWS
– 1 diameter countershaft pin
– 80mm O.D. input bearing
– max load front and rear mainshaft bearings
409ci 1962 4spd, RWD, T10, iron case, 9 bolt side cover BK166A BK166AWS
– thrust bearing between 2nd and 3rd gear
– 72mm O.D. input bearing
1962 4spd, RWD, T10, iron case, 9 bolt side cover BK166 BK166WS
– thrust bearing between 2nd and 3rd gear
– 80mm O.D. input bearing
1963-64 4spd, RWD, M20, Muncie, aluminum case, 7 bolt side cover BK117A BK117AWS
– 7/8 diameter countershaft pin
– 72mm O.D. input bearing
1963-64 4spd, RWD, M20, Muncie, aluminum case, 7 bolt side cover BK117 BK117WS
– 7/8 diameter countershaft pin
– 80mm O.D. input bearing
1963-64 4spd, RWD, M20, Muncie, aluminum case, 7 bolt side cover BK117HD BK117HDWS
– 7/8 diameter countershaft pin
– 80mm O.D. input bearing
– max load front and rear mainshaft bearings
427ci 1969 3spd, RWD, HD Muncie 330, 11 case, 7 bolt side cover BK289 BK289WS
1966-69 4spd, RWD, M21/M22, Muncie, aluminum case, 7 bolt side cover BK116 BK116WS
– 1 diameter countershaft pin
– 80mm O.D. input bearing
BEL AIR, BISCAYNE and IMPALA
Continued
8 cyl 427ci 1966-69 4spd, RWD, M21/M22, Muncie, aluminum case, 7 bolt side cover BK116HD BK116HDWS
– 1 diameter countershaft pin
– 80mm O.D. input bearing
– max load front and rear mainshaft bearings
BERETTA and CORSICA
4 cyl 2.0L 1987-89 5spd, FWD, MR8, Isuzu design, 7 bolt rear aluminum cover over 5th gears BK194 BK194WS
– all synchro rings are single piece design
1987-89 5spd, FWD, MR8, Isuzu design, 7 bolt rear aluminum cover over 5th gears BK194 BK194AWS
– 1st and 2nd synchro rings are multi-piece design
2.2L 1990-94 5spd, FWD, MR8, Isuzu design, 7 bolt rear aluminum cover over 5th gears BK194 BK194WS
– external hydraulic slave cylinder
– all synchro rings are single piece design
1990-94 5spd, FWD, MR8, Isuzu design, 7 bolt rear aluminum cover over 5th gears BK194 BK194AWS
– external hydraulic slave cylinder
– 1st and 2nd synchro rings are multi-piece design
1995-96 5spd, FWD, MR8, Isuzu design, 7 bolt rear aluminum cover over 5th gears BK194B BK194BWS
– internal hydraulic slave cylinder
– 1st and 2nd synchro rings are multi-piece design
2.3L 1990-92 5spd, FWD, MR10, Muncie design, 9 bolt flat tin cover over 5th gears BK234 BK234WS
– external hydraulic slave cylinder
1993-94 5spd, FWD, MR10, Muncie design, 9 bolt flat tin cover over 5th gears BK234A BK234AWS
– internal hydraulic slave cylinder
6 cyl 2.8L 1987-89 5spd, FWD, MR10, Muncie design, 9 bolt flat tin cover over 5th gears BK234 BK234WS
3.1L 1990-92 5spd, FWD, MR10, Muncie design, 9 bolt flat tin cover over 5th gears BK234 BK234WS
– external hydraulic slave cylinder
1993 5spd, FWD, MR10, Muncie design, 9 bolt flat tin cover over 5th gears BK234A BK234AWS
– internal hydraulic slave cylinder
CAMARO
4 cyl 2.5L 1982-84 4spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115WS
1983-86 5spd, RWD, T5 non-World Class, aluminum case, cast “1352” BK107 BK107WS
6 cyl 230ci 1967-69 3spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115AWS
1967-69 4spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115WS
231ci 1977 3spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115AWS
1977 4spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115WS
250ci 1967-79 3spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115AWS
1967-79 4spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115WS
2.8L 1982 4spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115WS
1983-87 5spd, RWD, T5 non-World Class, aluminum case, cast “1352” BK107 BK107WS
– all synchro rings are single piece brass design
1988-89 5spd, RWD, T5 World Class, aluminum case, cast “1352” BK149 BK149WS
– 1st and 2nd synchro rings are multi-piece design
3.1L 1990-91 5spd, RWD, T5 World Class, aluminum case, cast “1352” BK149 BK149WS
– 1st and 2nd synchro rings are multi-piece design
1992 5spd, RWD, T5 World Class, aluminum case, cast “1352” BK149 BK149BWS
– 1st and 2nd synchro rings are multi-piece design
3.4L 1993-95 5spd, RWD, T5 World Class, aluminum case, cast “1352” BK149 BK149BWS
3.8L 1980-81 3spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115AWS
1980-81 4spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115WS
1996-02 5spd, RWD, T5 World Class, aluminum case, cast “1352” BK149 BK149BWS
8 cyl 283ci 1967 3spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115AWS
1967 4spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115WS
1967 4spd, RWD, M21/M22, Muncie, aluminum case, 7 bolt side cover BK116 BK116WS
– 1 diameter countershaft pin
– 80mm O.D. input bearing
CAMARO
Continued
8 cyl 283ci 1967 4spd, RWD, M21/M22, Muncie, aluminum case, 7 bolt side cover BK116HD BK116HDWS
– 1 diameter countershaft pin
– 80mm O.D. input bearing
– max load front and rear mainshaft bearings
302ci 1968-70 4spd, RWD, M21/M22, Muncie, aluminum case, 7 bolt side cover BK116 BK116WS
– 1 diameter countershaft pin
– 80mm O.D. input bearing
1968-70 4spd, RWD, M21/M22, Muncie, aluminum case, 7 bolt side cover BK116HD BK116HDWS
– 1 diameter countershaft pin
– 80mm O.D. input bearing
– max load front and rear mainshaft bearings
1977 4spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115WS
305ci 1975-79 3spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115AWS
1975-79 4spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115WS
307ci 1967-73 3spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115AWS
1968 3spd, RWD, T16, iron case, 9 bolt side cover, cast “T16” N/A N/A
1969-71 3spd, RWD, HD Muncie 330, 11 case, 7 bolt side cover BK289 BK289WS
1968-73 4spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115WS
327ci 1967-69 3spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115AWS
1967-69 3spd, RWD, T16, iron case, 9 bolt side cover, cast “T16” N/A N/A
1969 3spd, RWD, HD Muncie 330, 11 case, 7 bolt side cover BK289 BK289WS
1967-69 4spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115WS
1967-69 4spd, RWD, M21/M22, Muncie, aluminum case, 7 bolt side cover BK116 BK116WS
– 1 diameter countershaft pin
– 80mm O.D. input bearing
1967-69 4spd, RWD, M21/M22, Muncie, aluminum case, 7 bolt side cover BK116HD BK116HDWS
– 1 diameter countershaft pin
– 80mm O.D. input bearing
– max load front and rear mainshaft bearings
350ci 1967-79 3spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115AWS
1967-68 3spd, RWD, T16, iron case, 9 bolt side cover, cast “T16” N/A N/A
1969-72 3spd, RWD, HD Muncie 330, 11 case, 7 bolt side cover BK289 BK289WS
1967-79 4spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115WS
1967-74 4spd, RWD, M21/M22, Muncie, aluminum case, 7 bolt side cover BK116 BK116WS
– 1 diameter countershaft pin
– 80mm O.D. input bearing
1967-74 4spd, RWD, M21/M22, Muncie, aluminum case, 7 bolt side cover BK116HD BK116HDWS
– 1 diameter countershaft pin
– 80mm O.D. input bearing
– max load front and rear mainshaft bearings
1974-79 4spd, RWD, Super T10, aluminum case, 9 bolt side cover BK118 BK118WS
– 1 diameter countershaft pin.
– 32 spline output shaft
1974-79 4spd, RWD, Super T10, aluminum case, 9 bolt side cover BK118HD BK118HDWS
– 1 diameter countershaft pin
– 32 spline output shaft
– max load front and rear mainshaft bearings
396ci 1967-71 4spd, RWD, M21/M22, Muncie, aluminum case, 7 bolt side cover BK116 BK116WS
– 1 diameter countershaft pin
– 80mm O.D. input bearing
1967-71 4spd, RWD, M21/M22, Muncie, aluminum case, 7 bolt side cover BK116HD BK116HDWS
– 1 diameter countershaft pin
– 80mm O.D. input bearing
– max load front and rear mainshaft bearings
400ci 1977 4spd, RWD, Super T10, aluminum case, 9 bolt side cover BK118 BK118WS
– 1 diameter countershaft pin
– 32 spline output shaft
CAMARO
Continued
8 cyl 400ci 1977 4spd, RWD, Super T10, aluminum case, 9 bolt side cover BK118HD BK118HDWS
– 1 diameter countershaft pin
– 32 spline output shaft
– max load front and rear mainshaft bearings
402ci 1972 4spd, RWD, M21/M22, Muncie, aluminum case, 7 bolt side cover BK116 BK116WS
– 1 diameter countershaft pin
– 80mm O.D. input bearing
1972 4spd, RWD, M21/M22, Muncie, aluminum case, 7 bolt side cover BK116HD BK116HDWS
– 1 diameter countershaft pin
– 80mm O.D. input bearing
– max load front and rear mainshaft bearings
5.0L 1980 4spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115WS
1981-82 4spd, RWD, Super T10, aluminum case, 9 bolt side cover BK118 BK118WS
1981-82 4spd, RWD, Super T10, aluminum case, 9 bolt side cover BK118HD BK118HDWS
– max load front and rear mainshaft bearings
1983-87 5spd, RWD, T5 non-World Class, aluminum case, cast “1352” BK107 BK107WS
– all synchro rings are single piece brass design
1988-91 5spd, RWD, T5 World Class, aluminum case, cast “1352” BK149 BK149WS
1992 5spd, RWD, T5 World Class, aluminum case, cast “1352” BK149 BK149BWS
5.7L 1993-02 6spd, RWD, T56, aluminum case, cast “1386” BK396 BK396WS
CAVALIER and Z24
4 cyl 1.8L 1982 4spd, FWD, MR2, aluminum case BK136 BK136WS
2.0L 1983-87 4spd, FWD, MR2, aluminum case BK136 BK136WS
1983-89 5spd, FWD, MR8, Isuzu design, 7 bolt rear aluminum cover over 5th gears BK194 BK194WS
– all synchro rings are single piece design
1983-89 5spd, FWD, MR8, Isuzu design, 7 bolt rear aluminum cover over 5th gears BK194 BK194AWS
– 1st and 2nd synchro rings are multi-piece design
2.2L 1990-94 5spd, FWD, MR8, Isuzu design, 7 bolt rear aluminum cover over 5th gears BK194 BK194WS
– external hydraulic slave cylinder
– all synchro rings are single piece design
1990-94 5spd, FWD, MR8, Isuzu design, 7 bolt rear aluminum cover over 5th gears BK194 BK194AWS
– external hydraulic slave cylinder
– 1st and 2nd synchro rings are multi-piece design
1995-01 5spd, FWD, MR8, Isuzu design, 7 bolt rear aluminum cover over 5th gears BK194B BK194BWS
– internal hydraulic slave cylinder
– 1st and 2nd synchro rings are multi-piece design
2000-03 5spd, FWD, 5T45MI/M86, aluminum case, 8 bolt rear cover N/A N/A
2.3L 1995 5spd, FWD, MR8, Isuzu design, 7 bolt rear aluminum cover over 5th gears BK194B BK194BWS
2.4L 1996-99 5spd, FWD, MR8, Isuzu design, 7 bolt rear aluminum cover over 5th gears BK194B BK194BWS
2000-03 5spd, FWD, 5T45MI/M86, aluminum case, 8 bolt rear cover N/A N/A
6 cyl 2.8L 1985-89 5spd, FWD, MR10, Muncie design, 9 bolt flat tin cover over 5th gears BK234 BK234WS
3.1L 1990-92 5spd, FWD, MR10, Muncie design, 9 bolt flat tin cover over 5th gears BK234 BK234WS
– external hydraulic slave cylinder
1993-94 5spd, FWD, MR10, Muncie design, 9 bolt flat tin cover over 5th gears BK234A BK234AWS
– internal hydraulic slave cylinder
CELEBRITY
4 cyl 2.5L 1984-86 4spd, FWD, MR2, aluminum case BK136 BK136WS
6 cyl 2.8L 1984-86 4spd, FWD, MR2, aluminum case BK136 BK136WS
1987-88 5spd, FWD, MR10, Muncie design, 9 bolt flat tin cover over 5th gears BK234 BK234WS
CHEVELLE, EL CAMINO and MALIBU
6 cyl 194ci 1964-65 3spd without overdrive, RWD, 318, light duty Muncie, 4 bolt side cover BK131A Inquire
1964-65 3spd with overdrive, RWD, 319, light duty Muncie, 4 bolt side cover BK140 Inquire
1964-65 3spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115AWS
200ci 1978-79 3spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115AWS
230ci 1966-69 3spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115AWS
231ci 1975-79 3spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115AWS
250ci 1967-77 3spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115AWS
3.8L 1980-81 3spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115AWS
8 cyl 260ci 1975-77 3spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115AWS
1975-77 4spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115WS
267ci 1979 3spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115AWS
1979 4spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115WS
260ci 1964-67 3spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115AWS
283ci 1964-65 3spd without overdrive, RWD, 318, light duty Muncie, 4 bolt side cover BK131A Inquire
1964-65 3spd with overdrive, RWD, 319, light duty Muncie, 4 bolt side cover BK140 Inquire
1966-67 3spd without overdrive, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115AWS
1966-67 3spd with overdrive, RWD, Saginaw, iron case, 7 bolt side cover BK115B BK115BWS
1964-65 4spd, RWD, M20, Muncie, aluminum case, 7 bolt side cover BK117 BK117WS
– 7/8 diameter countershaft pin
– 80mm O.D. input bearing
1964-65 4spd, RWD, M20, Muncie, aluminum case, 7 bolt side cover BK117HD BK117HDWS
– 7/8 diameter countershaft pin
– 80mm O.D. input bearing
– max load front and rear mainshaft bearings
1965-67 4spd, RWD, M21/M22, Muncie, aluminum case, 7 bolt side cover BK116 BK116WS
– 1 diameter countershaft pin
– 80mm O.D. input bearing
1965-67 4spd, RWD, M21/M22, Muncie, aluminum case, 7 bolt side cover BK116HD BK116HDWS
– 1 diameter countershaft pin
– 80mm O.D. input bearing
– max load front and rear mainshaft bearings
1966-67 4spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115WS
305ci 1978-81 3spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115AWS
1978-81 4spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115WS
307ci 1968-73 3spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115AWS
1968 3spd, RWD, T16, iron case, cast “T16”, 9 bolt side cover N/A N/A
1969-71 3spd, RWD, HD Muncie 330, 11 case, 7 bolt side cover BK289 BK289WS
1968-73 4spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115WS
327ci 1967-69 3spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115AWS
1967-69 3spd, RWD, T16, iron case, cast “T16”, 9 bolt side cover N/A N/A
1969 3spd, RWD, HD Muncie 330, 11 case, 7 bolt side cover BK289 BK289WS
1967-69 4spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115WS
1967-69 4spd, RWD, M21/M22, Muncie, aluminum case, 7 bolt side cover BK116 BK116WS
– 1 diameter countershaft pin
1967-69 4spd, RWD, M21/M22, Muncie, aluminum case, 7 bolt side cover BK116HD BK116HDWS
– 1 diameter countershaft pin
– max load front and rear mainshaft bearings
350ci 1967-79 3spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115AWS
1967-68 3spd, RWD, T16, iron case, cast “T16”, 9 bolt side cover N/A N/A
1969-72 3spd, RWD, HD Muncie 330, 11 case, 7 bolt side cover BK289 BK289WS
1967-79 4spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115WS
1967-74 4spd, RWD, M21/M22, Muncie, aluminum case, 7 bolt side cover BK116 BK116WS
– 1 diameter countershaft pin
1967-74 4spd, RWD, M21/M22, Muncie, aluminum case, 7 bolt side cover BK116HD BK116HDWS
– 1 diameter countershaft pin
– max load front and rear mainshaft bearings
CHEVELLE, EL CAMINO and MALIBU
Continued
8 cyl 350ci 1974-79 4spd, RWD, Super T10, aluminum case, 9 bolt side cover BK118 BK118WS
1974-79 4spd, RWD, Super T10, aluminum case, 9 bolt side cover BK118HD BK118HDWS
– max load front and rear mainshaft bearings
396ci 1967-71 4spd, RWD, M21/M22, Muncie, aluminum case, 7 bolt side cover BK116 BK116WS
– 1 diameter countershaft pin
1967-71 4spd, RWD, M21/M22, Muncie, aluminum case, 7 bolt side cover BK116HD BK116HDWS
– 1 diameter countershaft pin
– max load front and rear mainshaft bearings
400ci 1970 4spd, RWD, M21/M22, Muncie, aluminum case, 7 bolt side cover BK116 BK116WS
– 1 diameter countershaft pin
1970 4spd, RWD, M21/M22, Muncie, aluminum case, 7 bolt side cover BK116HD BK116HDWS
– 1 diameter countershaft pin
– max load front and rear mainshaft bearings
402ci 1972 4spd, RWD, M21/M22, Muncie, aluminum case, 7 bolt side cover BK116 BK116WS
– 1 diameter countershaft pin
1972 4spd, RWD, M21/M22, Muncie, aluminum case, 7 bolt side cover BK116HD BK116HDWS
– max load front and rear mainshaft bearings
454ci 1970-74 4spd, RWD, M21/M22, Muncie, aluminum case, 7 bolt side cover BK116 BK116WS
1970-74 4spd, RWD, M21/M22, Muncie, aluminum case, 7 bolt side cover BK116HD BK116HDWS
– max load front and rear mainshaft bearings
CHEVETTE
4 cyl 1.4L 1976-77 4spd, RWD, 70MM, aluminum case, rear load BK106 BK106WS
1.6L 1976-87 4spd, RWD, 70MM, aluminum case, rear load BK106 BK106WS
1982-87 5spd, RWD, T5 non-World Class, aluminum case with top cover, cast “1352” BK107 BK107WS
1.8L 1981-86 5spd, RWD, MSG-5K, aluminum case, rear load BK155 BK155WS
CITATION
4 cyl 2.5L 1980-85 4spd, FWD, MR2, aluminum case BK136 BK136WS
6 cyl 2.8L 1980-85 4spd, FWD, MR2, aluminum case BK136 BK136WS
CORVETTE
6 cyl 235ci 1953-54 3spd without overdrive, RWD, 318, light duty Muncie, 4 bolt side cover BK131A Inquire
1953-54 3spd with overdrive, RWD, 319, light duty Muncie, 4 bolt side cover BK140 Inquire
8 cyl 265ci 1955-56 3spd without overdrive, RWD, 318, light duty Muncie, 4 bolt side cover BK131A Inquire
1955-56 3spd with overdrive, RWD, 319, light duty Muncie, 4 bolt side cover BK140 Inquire
283ci 1957-61 4spd, RWD, T10, iron case, 9 bolt side cover BK166A BK166AWS
– 72mm O.D. input bearing
1957-61 4spd, RWD, T10, iron case, 9 bolt side cover BK166 BK166WS
– 80mm O.D. input bearing
327ci 1962-63 4spd, RWD, T10, iron case, 9 bolt side cover BK166A BK166AWS
– 72mm O.D. input bearing
1962-63 4spd, RWD, T10, iron case, 9 bolt side cover BK166 BK166WS
– 80mm O.D. input bearing
1963 4spd, RWD, M20, Muncie, aluminum case, 7 bolt side cover BK117A BK117AWS
– 7/8 diameter countershaft pin
– 72mm O.D. input bearing
1964-65 4spd, RWD, M20, Muncie, aluminum case, 7 bolt side cover BK117 BK117WS
– 7/8 diameter countershaft pin
– 80mm O.D. input bearing
1964-65 4spd, RWD, M20, Muncie, aluminum case, 7 bolt side cover BK117HD BK117HDWS
– 7/8 diameter countershaft pin
– 80mm O.D. input bearing
– max load front and rear mainshaft bearings
1965-68 4spd, RWD, M21/M22, Muncie, aluminum case, 7 bolt side cover BK116 BK116WS
– 1 diameter countershaft pin
1965-68 4spd, RWD, M21/M22, Muncie, aluminum case, 7 bolt side cover BK116HD BK116HDWS
– 1 diameter countershaft pin
– max load front and rear mainshaft bearings
8 cyl 350ci 1967-74 4spd, RWD, M21/M22, Muncie, aluminum case, 7 bolt side cover BK116 BK116WS

1 diameter countershaft pin

1967-74 4spd, RWD, M21/M22, Muncie, aluminum case, 7 bolt side cover BK116HD BK116HDWS

1 diameter countershaft pin
max load front and rear mainshaft bearings

1974-81 4spd, RWD, Super T10, aluminum case, 9 bolt side cover BK118 BK118WS

1974-81 4spd, RWD, Super T10, aluminum case, 9 bolt side cover BK118HD BK118HDWS

max load front and rear mainshaft bearings

427ci 1966-69 4spd, RWD, M21/M22, Muncie, aluminum case, 7 bolt side cover BK116 BK116WS

1 diameter countershaft pin

1966-69 4spd, RWD, M21/M22, Muncie, aluminum case, 7 bolt side cover BK116HD BK116HDWS

1 diameter countershaft pin
max load front and rear mainshaft bearings

454ci 1970-74 4spd, RWD, M21/M22, Muncie, aluminum case, 7 bolt side cover BK116 BK116WS

1 diameter countershaft pin

1970-74 4spd, RWD, M21/M22, Muncie, aluminum case, 7 bolt side cover BK116HD BK116HDWS

1 diameter countershaft pin
max load front and rear mainshaft bearings

5.7L 1984-88 4spd with overdrive, RWD, “4+3” T10, with Nash overdrive BK185 BK185WS

1989-96 6spd, RWD, ZF, S640, cast “1052” inquire

1997-on 6spd, RWD, T56 Warner, cast “1386” BK396A BK396AWS

mounted to rear differential

LUMINA

6 cyl 3.4L 1991-93 5spd, FWD, Getrag 284, aluminum case, cast “284.XXXXX.XXXXX” N/A N/A

8 or 11 bolt metal cover over 5th gears

METRO (Same as GEO METRO)

3 cyl 1.0L 1989-00 5spd, FWD, MV3, aluminum case, 8 bolt rear cover BK264 BK264WS

4 cyl 1.3L 1992-00 5spd, FWD, MV3, aluminum case, 8 bolt rear cover BK264 BK264WS

MONZA and VEGA

4 cyl 140ci 1971-80 3spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115AWS

1971-77 4spd, RWD, Vega/Monza, iron case, tin bottom pan N/A N/A

1971-80 4spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115WS

1974-80 5spd, RWD, T50, aluminum case, rear load, cast “1338” N/A N/A

6 cyl 3.2L 1978-80 3spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115AWS

1978-80 4spd, RWD, Vega/Monza, iron case, tin bottom pan N/A N/A

1978-80 4spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115WS

1978-80 5spd, RWD, T50, aluminum case, rear load, cast “1338” N/A N/A

3.8L 1975-80 3spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115AWS

1975-80 4spd, RWD, Vega/Monza, iron case, tin bottom pan N/A N/A

1975-80 4spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115WS

1975-80 5spd, RWD, T50, aluminum case, rear load, cast “1338” N/A N/A

8 cyl 262ci 1975-77 3spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115AWS

1975-77 4spd, RWD, Vega/Monza, iron case, tin bottom pan N/A N/A

1975-77 4spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115WS

1975-77 5spd, RWD, T50, aluminum case, rear load, cast “1338” N/A N/A

305ci 1977-79 3spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115AWS

1977-79 4spd, RWD, Vega/Monza, iron case, tin bottom pan N/A N/A

1977-79 4spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115WS

1977-79 5spd, RWD, T50, aluminum case, rear load, cast “1338” N/A N/A

NOVA and CHEVY II

4 cyl 153ci 1962-65 3spd without overdrive, RWD, 318, light duty Muncie, 4 bolt side cover BK131A Inquire

1962-65 3spd with overdrive, RWD, 319, light duty Muncie, 4 bolt side cover BK140 Inquire

NOVA and CHEVY II
Continued
6 cyl 194ci 1962-65 3spd without overdrive, RWD, 318, light duty Muncie, 4 bolt side cover BK131A Inquire
1962-65 3spd with overdrive, RWD, 319, light duty Muncie, 4 bolt side cover BK140 Inquire
1966-67 3spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115AWS
230ci 1967-70 3spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115AWS
250ci 1967-79 3spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115AWS
260ci 1975-77 3spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115AWS
1975-77 4spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115WS
8 cyl 283ci 1964-65 3spd without overdrive, RWD, 318, light duty Muncie, 4 bolt side cover BK131A Inquire
1964-65 3spd with overdrive, RWD, 319, light duty Muncie, 4 bolt side cover BK140 Inquire
1966-67 3spd without overdrive, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115AWS
1966-67 3spd with overdrive, RWD, Saginaw, iron case, 7 bolt side cover BK115B BK115BWS
1964-65 4spd, RWD, M20, Muncie, aluminum case, 7 bolt side cover BK117 BK117WS
– 7/8 diameter countershaft pin
1964-65 4spd, RWD, M20, Muncie, aluminum case, 7 bolt side cover BK117HD BK117HDWS
– 7/8 diameter countershaft pin
– max load front and rear mainshaft bearings
1965-67 4spd, RWD, M21/M22, Muncie, aluminum case, 7 bolt side cover BK116 BK116WS
– 1 diameter countershaft pin
1965-67 4spd, RWD, M21/M22, Muncie, aluminum case, 7 bolt side cover BK116HD BK116HDWS
– 1 diameter countershaft pin
– max load front and rear mainshaft bearings
1966-67 4spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115WS
302ci 1977 3spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115AWS
1977 4spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115WS
305ci 1976-79 3spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115AWS
1976-79 4spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115WS
307ci 1968-73 3spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115AWS
1968-73 4spd, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115WS
327ci 1964-65 3spd without overdrive, RWD, 318, light duty Muncie, 4 bolt side cover BK131A Inquire
1964-65 3spd with overdrive, RWD, 319, light duty Muncie, 4 bolt side cover BK140 Inquire
1966-67 3spd without overdrive, RWD, Saginaw, iron case, 7 bolt side cover BK115 BK115AWS
1966-67 3spd with overdrive, RWD, Saginaw, iron case, 7 bolt side cover BK115B BK115BWS
1964-65 4spd, RWD, M20, Muncie, aluminum case, 7 bolt side cover BK117 BK117WS
– 7/8 diameter countershaft pin
1964-65 4spd, RWD, M20, Muncie, aluminum case, 7 bolt side cover BK117HD BK117HDWS
– 7/8 diameter countershaft pin
– max load front and rear mainshaft bearings
1965-69 4spd, RWD, M21/M22, Muncie, aluminum case, 7 bolt side cover BK116 BK116WS
– 1 diameter countershaft pin
1965-69 4spd, RWD, M21/M22, Muncie, aluminum case, 7 bolt side cover BK116HD BK116HDWS
– 1 diameter countershaft pin
– max load front and rear mainshaft bearings
350ci 1968-74 4spd, RWD, M21/M22, Muncie, aluminum case, 7 bolt side cover BK116 BK116WS
– 1 diameter countershaft pin
1968-74 4spd, RWD, M21/M22, Muncie, aluminum case, 7 bolt side cover BK116HD BK116HDWS
– 1 diameter countershaft pin
– max load front and rear mainshaft bearings
396ci 1967-71 4spd, RWD, M21/M22, Muncie, aluminum case, 7 bolt side cover BK116 BK116WS
– 1 diameter countershaft pin
1967-71 4spd, RWD, M21/M22, Muncie, aluminum case, 7 bolt side cover BK116HD BK116HDWS
– 1 diameter countershaft pin
– max load front and rear mainshaft bearings
PRIZM (Same as GEO PRIZM) 4 cyl 1.6L 1989-91 5spd, FWD, C51, aluminum cases and 5th cover – 1st-2nd and 3rd-4th synchro assemblies use wire type springs BK191 BK191WS
1992-97 5spd, FWD, C51, aluminum cases and 5th cover – 1st-2nd and 3rd-4th synchro assemblies use coil type springs BK191 BK191AWS
1.8L 1998-on 5spd, FWD, C51, aluminum cases and 5th cover BK191 BK191AWS
SPECTRUM
4 cyl 1.5L 1985-89 5spd, FWD, MR8, Isuzu design, 7 bolt rear aluminum cover over 5th gears – all synchro rings are single piece design BK194 BK194WS
1985-89 5spd, FWD, MR8, Isuzu design, 7 bolt rear aluminum cover over 5th gears – 1st and 2nd synchro rings are multi-piece design BK194 BK194AWS
SPRINT
3 cyl 1.0L 1985-88 5spd, FWD, MV2, aluminum case, 7 bolt cover over 5th gears BK175 N/A
STORM
4 cyl 1.6L 1990-93 5spd, FWD, MR8, Isuzu design, 7 bolt rear aluminum cover over 5th gears – all synchro rings are single piece design BK194 BK194WS
1990-93 5spd, FWD, MR8, Isuzu design, 7 bolt rear aluminum cover over 5th gears – 1st and 2nd synchro rings are multi-piece design BK194 BK194AWS
1.8L 1992-93 5spd, FWD, MR8, Isuzu design, 7 bolt rear aluminum cover over 5th gears – all synchro rings are single piece design BK194 BK194WS
1992-93 5spd, FWD, MR8, Isuzu design, 7 bolt rear aluminum cover over 5th gears – 1st and 2nd synchro rings are multi-piece design BK194 BK194AWS