Ford Truck and SUV
AEROSTAR
4 cyl 2.3L 1986-87 5spd, RWD, TK5, 14 bolt aluminum bottom pan BK144 BK144LWS
6 cyl 2.8L 1986-87 5spd, RWD, TK5, 14 bolt aluminum bottom pan BK144 BK144LWS
3.0L 1986-87 5spd, RWD, TK5, 14 bolt aluminum bottom pan BK144 BK144LWS
1988-94 5spd, RWD, M5R1, aluminum case and top cover BK247 BK247WS
– 5th and Rev slider has 36 teeth
1988-94 5spd, RWD, M5R1, aluminum case and top cover BK247 BK247AWS
– 5th and Rev slider has 30 teeth
BRONCO II (compact)
4 cyl 2.0L 1984 4spd, 4WD, TK4, 14 bolt aluminum bottom pan BK143 BK143WS
1984-85 5spd, 4WD, TK5, 14 bolt aluminum bottom pan BK144 BK144WS
– external mounted hydraulic slave cylinder
1985-86 5spd, 4WD, TK5, 14 bolt aluminum bottom pan BK144 BK144LWS
– internal mounted hydraulic slave cylinder
1985-87 5spd, 4WD, FM145, 12 bolt tin bottom pan BK151 BK151WS
1988 5spd, RWD, FM132, 12 bolt tin bottom pan BK151B BK151BWS
1988 5spd, 4WD, FM146, 12 bolt tin bottom pan BK151 BK151AWS
– reverse synchro ring
2.3L 1984 4spd, 4WD, TK4, 14 bolt aluminum bottom pan BK143 BK143WS
1984-85 5spd, 4WD, TK5, 14 bolt aluminum bottom pan BK144 BK144WS
– external mounted hydraulic slave cylinder
1985-86 5spd, 4WD, TK5, 14 bolt aluminum bottom pan BK144 BK144LWS
– internal mounted hydraulic slave cylinder
1985-87 5spd, 4WD, FM145, 12 bolt tin bottom pan BK151 BK151WS
BRONCO II (compact)
Continued
4 cyl 2.3L 1988 5spd, RWD, FM132, 12 bolt tin bottom pan BK151B BK151BWS
1988 5spd, 4WD, FM146, 12 bolt tin bottom pan BK151 BK151AWS
– reverse synchro ring
1988 5spd, RWD or 4WD, M5R1, aluminum case and top cover BK247 BK247WS
– 5th and Rev slider has 36 teeth
1988 5spd, RWD, M5R1, aluminum case and top cover BK247 BK247AWS
– 5th and Rev slider has 30 teeth
6 cyl 2.8L 1984 4spd, 4WD, TK4, 14 bolt aluminum bottom pan BK143 BK143WS
1984-85 5spd, 4WD, TK5, 14 bolt aluminum bottom pan BK144 BK144WS
– external mounted hydraulic slave cylinder
1985 5spd, 4WD, TK5, 14 bolt aluminum bottom pan BK144 BK144LWS
– internal mounted hydraulic slave cylinder
1985 5spd, 4WD, FM145, 12 bolt tin bottom pan BK151 BK151WS
2.9L 1986-87 5spd, 4WD, TK5, 14 bolt aluminum bottom pan BK144 BK144LWS
1986-87 5spd, 4WD, FM145, 12 bolt tin bottom pan BK151 BK151WS
1988-90 5spd, RWD, FM132, 12 bolt tin bottom pan BK151B BK151BWS
1988-90 5spd, 4WD, FM146, 12 bolt tin bottom pan BK151 BK151AWS
– reverse synchro ring
1988-90 5spd, RWD or 4WD, M5R1, aluminum case and top cover BK247 BK247WS
– 5th and Rev slider has 36 teeth
1988-90 5spd, RWD, M5R1, aluminum case and top cover BK247 BK247AWS
– 5th and Rev slider has 30 teeth
COURIER
4 cyl 1.8L 1972-78 4spd, RWD, CR1 Courier BK164 BK164WS
1976-78 5spd, RWD, CR2 Courier BK152 BK152WS
2.0L 1979-82 4spd, RWD, CR1 Courier BK164 BK164WS
1979-82 5spd, RWD, CR2 Courier BK152 BK152WS
2.3L 1972-82 4spd, RWD, CR1 Courier BK164 BK164WS
1976-82 5spd, RWD, CR2 Courier BK152 BK152WS
E-SERIES VAN
6 cyl 144ci 1961-62 3spd, RWD, 259, 9 bolt rectangular side cover BK268 Inquire
1963-64 3spd, RWD or 4WD, Tremec, iron case, 9 bolt top cover BK111 BK111WS
170ci 1968-69 3spd, RWD or 4WD, Tremec, iron case, 9 bolt top cover BK111 BK111WS
240ci 1968-78 3spd, RWD or 4WD, Tremec, iron case, 9 bolt top cover BK111 BK111WS
1978 3spd with overdrive, RWD or 4WD, RUG, iron case, 10 bolt tin top cover BK112 BK112AWS
300ci 1973-79 3spd, RWD or 4WD, Tremec, iron case, 9 bolt top cover BK111 BK111WS
– 2nd and 3rd synchro rings are smaller than 1st ring
1973-79 3spd, RWD or 4WD, Tremec, iron case, 9 bolt top cover BK111 BK111AWS
– all synchro rings are the same size
1978-79 3spd with overdrive, RWD or 4WD, RUG, iron case, 10 bolt tin top cover BK112 BK112AWS
4.9L 1980-86 3spd, RWD or 4WD, Tremec, iron case, 9 bolt top cover BK111 BK111WS
– 2nd and 3rd synchro rings are smaller than 1st ring
1980-86 3spd, RWD or 4WD, Tremec, iron case, 9 bolt top cover BK111 BK111AWS
– all three synchro rings are same size
1980-87 3spd with overdrive, RWD or 4WD, RUG, iron case, 10 bolt tin top cover BK112 BK112AWS
1984-87 4spd, RWD or 4WD, NP435, iron case, aluminum top cover BK127 BK127WS
Note: Kit with rings includes complete 3rd-4th synchro assembly
1988-89 5spd, RWD or 4WD, M5R2, aluminum case and top cover BK248 BK248WS
– 5th and Rev slider has 42 teeth
1988-89 5spd, RWD or 4WD, M5R2, aluminum case and top cover BK248 BK248AWS
– 5th and Rev slider has 33 teeth
1988-91 5spd, RWD or 4WD, ZF S542, aluminum case, cast “1307” BK300ZF BK300ZFWS
8 cyl 302ci 1967-79 3spd, RWD or 4WD, Tremec, iron case, 9 bolt top cover BK111 BK111WS
– 2nd and 3rd synchro rings are smaller than 1st ring
1967-79 3spd, RWD or 4WD, Tremec, iron case, 9 bolt top cover BK111 BK111AWS
– all synchro rings are the same size
E-SERIES VAN
Continued
8 cyl 302ci 1978-79 3spd with overdrive, RWD or 4WD, RUG, iron case, 10 bolt tin top cover BK112 BK112AWS
351ci 1975-79 3spd, RWD or 4WD, Tremec, iron case, 9 bolt top cover BK111 BK111WS
– 2nd and 3rd synchro rings are smaller than 1st ring
1975-79 3spd, RWD or 4WD, Tremec, iron case, 9 bolt top cover BK111 BK111AWS
– all synchro rings are the same size
1978-79 3spd with overdrive, RWD or 4WD, RUG, iron case, 10 bolt tin top cover BK112 BK112AWS
5.0L 1980-86 3spd, RWD or 4WD, Tremec, iron case, 9 bolt top cover BK111 BK111WS
– 2nd and 3rd synchro rings are smaller than 1st ring
1980-86 3spd, RWD or 4WD, Tremec, iron case, 9 bolt top cover BK111 BK111AWS
– all synchro rings are the same size
1980-87 3spd with overdrive, RWD or 4WD, RUG, iron case, 10 bolt tin top cover BK112 BK112AWS
1984-87 4spd, RWD or 4WD, NP435, iron case, aluminum top cover BK127 BK127WS
Note: Kit with rings includes complete 3rd-4th synchro assembly
1988-89 5spd, M5R2, aluminum case and top cover BK248 BK248WS
– 5th and Rev slider has 42 teeth
1988-89 5spd, RWD or 4WD, M5R2, aluminum case and top cover BK248 BK248AWS
– 5th and Rev slider has 33 teeth
1988-91 5spd, RWD or 4WD, ZF S542, aluminum case, cast “1307” BK300ZF BK300ZFWS
5.8L 1980-86 3spd, RWD or 4WD, Tremec, iron case, 9 bolt top cover BK111 BK111WS
– 2nd and 3rd synchro rings are smaller than 1st ring
1980-86 3spd, RWD or 4WD, Tremec, iron case, 9 bolt top cover BK111 BK111AWS
– all synchro rings are the same size
1980-87 3spd with overdrive, RWD or 4WD, RUG, iron case, 10 bolt tin top cover BK112 BK112AWS
1984-87 4spd, RWD or 4WD, NP435, iron case, aluminum top cover BK127 BK127WS
Note: Kit with rings includes complete 3rd-4th synchro assembly
1988-89 5spd, RWD or 4WD, M5R2, aluminum case and top cover BK248 BK248WS
– 5th and Rev slider has 42 teeth
1988-89 5spd, RWD or 4WD, M5R2, aluminum case and top cover BK248 BK248AWS
– 5th and Rev slider has 33 teeth
1988-91 5spd, RWD or 4WD, ZF S542, aluminum case, cast “1307” BK300ZF BK300ZFWS
F-SERIES TRUCK, P-SERIES VAN and FULL SIZE BRONCO
6 cyl 170ci 1966-72 3spd, RWD or 4WD, Tremec, iron case, 9 bolt top cover BK111 BK111WS
200ci 1972-74 3spd, RWD or 4WD, Tremec, iron case, 9 bolt top cover BK111 BK111WS
223ci 1955-62 3spd without overdrive, RWD, 259, 9 bolt side cover BK268 Inquire
1955-62 3spd with overdrive, RWD, 259, 9 bolt side cover BK268A Inquire
1955-64 3spd, RWD or 4WD, T87, 6 bolt top cover, cast “T87” BK346 BK346WS
1956-64 3spd, RWD or 4WD, T89, 9 bolt side cover, cast “T89” BK345 BK345WS
1957-64 3spd, RWD or 4WD, T86, cast “T86” BK348 BK348WS
1963-64 3spd, RWD or 4WD, Tremec, iron case, 9 bolt top cover BK111 BK111WS
1955-64 4spd, RWD, T98, iron case and top cover, cast “T98” BK141 BK141WS
240ci 1965-76 3spd, RWD or 4WD, Tremec, iron case, 9 bolt top cover BK111 BK111WS
1965-73 3spd without overdrive, RWD or 4WD, T85, cast “T85” BK345 BK345WS
1965-73 3spd with overdrive, RWD or 4WD, T85, cast “T85” BK345A BK345AWS
1965-72 3spd, RWD or 4WD, T87, 6 bolt top cover, cast “T87” BK346 BK346WS
1965-71 3spd, RWD or 4WD, T89, 9 bolt side cover, cast “T89” BK345 BK345WS
1965-76 4spd, RWD or 4WD, T18, iron case and top cover, cast “T18” or “1301” BK114 BK114WS
– 20mm wide input bearing
1965-76 4spd, RWD or 4WD, T18, iron case and top cover, cast “T18” or “1301” BK114A BK114AWS
– 23mm wide input bearing
1965-76 4spd, RWD or 4WD, NP435, iron case, aluminum top cover BK127 BK127WS
Note: Kit with rings includes complete 3rd-4th synchro assembly
300ci 1966-79 3spd, RWD or 4WD, Tremec, iron case, 9 bolt top cover BK111 BK111WS
– 2nd and 3rd synchro rings are smaller than 1st ring
1966-79 3spd, RWD or 4WD, Tremec, iron case, 9 bolt top cover BK111 BK111AWS
– all synchro rings are the same size
1966-73 3spd without overdrive, RWD or 4WD, T85, cast “T85” BK345 BK345WS
F-SERIES TRUCK, P-SERIES VAN and FULL SIZE BRONCO
Continued
6 cyl 300ci 1966-73 3spd with overdrive, RWD or 4WD, T85, cast “T85” BK345A BK345AWS
1966-72 3spd, RWD or 4WD, T87, 6 bolt top cover, cast “T87” BK346 BK346WS
1966-71 3spd, RWD or 4WD, T89, 9 bolt side cover, cast “T89” BK345 BK345WS
1978-79 3spd with overdrive, RWD or 4WD, RUG, iron case, 10 bolt tin top cover BK112 BK112AWS
1966-79 4spd, RWD or 4WD, T18, iron case and top cover, cast “T18” or “1301” BK114 BK114WS
– 20mm wide input bearing
1966-79 4spd, RWD or 4WD, T18, iron case and top cover, cast “T18” or “1301” BK114A BK114AWS
– 23mm wide input bearing
1966-79 4spd, RWD or 4WD, NP435, iron case, aluminum top cover BK127 BK127WS
Note: Kit with rings includes complete 3rd-4th synchro assembly
3.8L 1981-83 3spd, RWD or 4WD, Tremec, iron case, 9 bolt top cover BK111 BK111WS
– 2nd and 3rd synchro rings are smaller than 1st ring
1981-83 3spd with overdrive, RWD or 4WD, RUG, aluminum case, 10 bolt tin top cover BK112 BK112WS
4.2L 1981-82 3spd, RWD or 4WD, Tremec, iron case, 9 bolt top cover BK111 BK111WS
– 2nd and 3rd synchro rings are smaller than 1st ring
1981-82 3spd with overdrive, RWD or 4WD, RUG, aluminum case, 10 bolt tin top cover BK112 BK112WS
1981-82 4spd, RWD or 4WD, T18, iron case and top cover, cast “T18” or “1301” BK114 BK114WS
– 20mm wide input bearing
1981-82 4spd, RWD or 4WD, T18, iron case and top cover, cast “T18” or “1301” BK114A BK114AWS
– 23mm wide input bearing
1981-82 4spd, RWD or 4WD, NP435, iron case, aluminum top cover BK127 BK127WS
Note: Kit with rings includes complete 3rd-4th synchro assembly
1997-99 5spd, RWD or 4WD, M5R2, aluminum case and top cover BK248 BK248AWS
1999-on 5spd, RWD or 4WD, M5R2, aluminum case and top cover BK248 BK248CWS
– 2nd gear synchro ring is multi-piece design
4.9L 1980-86 3spd, RWD or 4WD, Tremec, iron case, 9 bolt top cover BK111 BK111WS
– 2nd and 3rd synchro rings are smaller than 1st ring
1980-87 3spd with overdrive, RWD or 4WD, RUG, aluminum case BK112 BK112WS
1980-93 4spd, RWD or 4WD, T18, iron case and top cover, cast “T18” or “1301” BK114 BK114WS
– 20mm wide input bearing
1980-93 4spd, RWD or 4WD, T18, iron case and top cover, cast “T18” or “1301” BK114A BK114AWS
– 23mm wide input bearing
1980-87 4spd, RWD or 4WD, NP435, iron case, aluminum top cover BK127 BK127WS
Note: Kit with rings includes complete 3rd-4th synchro assembly
1988-97 5spd, RWD or 4WD, M5R2, aluminum case and top cover BK248 BK248WS
– 5th and Rev slider have 42 teeth
1988-97 5spd, RWD or 4WD, M5R2, aluminum case and top cover BK248 BK248AWS
– 5th and Rev slider have 33 teeth
1987-95 5spd, RWD or 4WD, ZF S542, aluminum case, cast “1307” BK300ZF BK300ZFWS
1995-97 5spd, RWD or 4WD, ZF S547, aluminum case, cast “1317” BK300ZF BK300ZFAWS
8 cyl 272ci 1955-62 3spd without overdrive, RWD, 259, 9 bolt side cover BK268 Inquire
1955-62 3spd with overdrive, RWD, 259, 9 bolt side cover BK268A Inquire
1955-63 3spd, RWD or 4WD, T87, 6 bolt top cover, cast “T87” BK346 BK346WS
1956-63 3spd, RWD or 4WD, T89, 9 bolt side cover, cast “T89” BK345 BK345WS
1957-63 3spd, RWD or 4WD, T86, cast “T86” BK348 BK348WS
1963 3spd, RWD or 4WD, Tremec, iron case, 9 bolt top cover BK111 BK111WS
1955-63 4spd, RWD or 4WD, T98, iron case and top cover, cast “T98” BK141 BK141WS
289ci 1963-68 3spd, RWD or 4WD, T87, 6 bolt top cover, cast “T87” BK346 BK346WS
1963-68 3spd, RWD or 4WD, T89, 9 bolt side cover, cast “T89” BK345 BK345WS
1963-64 3spd, RWD or 4WD, T86, cast “T86” BK348 BK348WS
1963-68 3spd, RWD or 4WD, Tremec, iron case, 9 bolt top cover BK111 BK111WS
– 2nd and 3rd synchro rings are smaller than 1st ring
1963-68 3spd, RWD or 4WD, Tremec, iron case, 9 bolt top cover BK111 BK111AWS
– all synchro rings are the same size
1965-68 3spd without overdrive, RWD or 4WD, T85, cast “T85” BK345 BK345WS
1965-68 3spd with overdrive, RWD or 4WD, T85, cast “T85” BK345A BK345AWS
F-SERIES TRUCK, P-SERIES VAN and FULL SIZE BRONCO
Continued
8 cyl 289ci 1963-64 4spd, RWD or 4WD, T98, iron case and top cover, cast “T98” BK141 BK141WS
1965-68 4spd, RWD or 4WD, T18, iron case and top cover, cast “T18” or “1301” BK114 BK114WS
– 20mm wide input bearing
1965-68 4spd, RWD or 4WD, T18, iron case and top cover, cast “T18” or “1301” BK114A BK114AWS
– 23mm wide input bearing
1965-68 4spd, RWD or 4WD, NP435, iron case, aluminum top cover BK127 BK127WS
Note: Kit with rings includes complete 3rd-4th synchro assembly
292ci 1956-62 3spd without overdrive, RWD, 259, 9 bolt side cover BK268 Inquire
1956-62 3spd with overdrive, RWD, 259, 9 bolt side cover BK268A Inquire
1956-62 3spd, RWD or 4WD, T87, 6 bolt top cover, cast “T87” BK346 BK346WS
1956-62 3spd, RWD or 4WD, T89, 9 bolt side cover, cast “T89” BK345 BK345WS
1957-62 3spd, RWD or 4WD, T86, cast “T86” BK348 BK348WS
1956-62 4spd, RWD or 4WD, T98, iron case and top cover, cast “T98” BK141 BK141WS
302ci 1968-79 3spd, RWD or 4WD, Tremec, iron case, 9 bolt top cover BK111 BK111WS
– 2nd and 3rd synchro rings are smaller than 1st ring
1968-79 3spd, RWD or 4WD, Tremec, iron case, 9 bolt top cover BK111 BK111AWS
– all synchro rings are the same size
1968-73 3spd without overdrive, RWD or 4WD, T85, cast “T85” BK345 BK345WS
1968-73 3spd with overdrive, RWD or 4WD, T85, cast “T85” BK345A BK345AWS
1968-72 3spd, RWD or 4WD, T87, 6 bolt top cover, cast “T87” BK346 BK346WS
1968-71 3spd, RWD or 4WD, T89, 9 bolt side cover, cast “T89” BK345 BK345WS
1978-79 3spd with overdrive, RWD or 4WD, RUG, iron case, 10 bolt tin top cover BK112 BK112AWS
1968-79 4spd, RWD or 4WD, T18, iron case and top cover, cast “T18” or “1301” BK114 BK114WS
– 20mm wide input bearing
1968-79 4spd, RWD or 4WD, T18, iron case and top cover, cast “T18” or “1301” BK114A BK114AWS
– 23mm wide input bearing
1968-79 4spd, RWD or 4WD, NP435, iron case, aluminum top cover BK127 BK127WS
Note: Kit with rings includes complete 3rd-4th synchro assembly
351ci 1968-79 3spd, RWD, Tremec, iron case, 9 bolt top cover BK111 BK111WS
– 2nd and 3rd synchro rings are smaller than 1st ring
1968-79 3spd, RWD or 4WD, Tremec, iron case, 9 bolt top cover BK111 BK111AWS
– all synchro rings are the same size
1968-73 3spd without overdrive, RWD or 4WD, T85, cast “T85” BK345 BK345WS
1968-73 3spd with overdrive, RWD or 4WD, T85, cast “T85” BK345A BK345AWS
1968-72 3spd, RWD or 4WD, T87, 6 bolt top cover, cast “T87” BK346 BK346WS
1978-79 3spd with overdrive, RWD or 4WD, RUG, iron case, 10 bolt tin top cover BK112 BK112AWS
1968-79 4spd, RWD or 4WD, T18, iron case and top cover, cast “T18” or “1301” BK114 BK114WS
– 20mm wide input bearing
1968-79 4spd, RWD or 4WD, T18, iron case and top cover, cast “T18” or “1301” BK114A BK114AWS
– 23mm wide input bearing
1968-79 4spd, NP435, iron case, aluminum top cover BK127 BK127WS
Note: Kit with rings includes complete 3rd-4th synchro assembly
352ci 1965-68 3spd, RWD or 4WD, T87, 6 bolt top cover, cast “T87” BK346 BK346WS
1965-68 3spd, RWD or 4WD, T89, 9 bolt side cover, cast “T89” BK345 BK345WS
1965-68 3spd, RWD, Tremec, iron case, 9 bolt top cover BK111 BK111WS
– 2nd and 3rd synchro rings are smaller than 1st ring
1965-68 3spd, RWD, Tremec, iron case, 9 bolt top cover BK111 BK111AWS
– all synchro rings are the same size
1965-68 3spd without overdrive, RWD or 4WD, T85, cast “T85” BK345 BK345WS
1965-68 3spd with overdrive, RWD or 4WD, T85, cast “T85” BK345A BK345AWS
1965-68 4spd, RWD or 4WD, T18, iron case and top cover, cast “T18” or “1301” BK114 BK114WS
– 20mm wide input bearing
1965-68 4spd, RWD or 4WD, T18, iron case and top cover, cast “T18” or “1301” BK114A BK114AWS
– 23mm wide input bearing
1965-68 4spd, NP435, iron case, aluminum top cover BK127 BK127WS
Note: Kit with rings includes complete 3rd-4th synchro assembly
F-SERIES TRUCK, P-SERIES VAN and FULL SIZE BRONCO
Continued
8 cyl 360ci 1968-76 3spd, RWD, Tremec, iron case, 9 bolt top cover BK111 BK111WS
– 2nd and 3rd synchro rings are smaller than 1st ring
1968-76 3spd, RWD, Tremec, iron case, 9 bolt top cover BK111 BK111AWS
– all synchro rings are the same size
1968-73 3spd without overdrive, RWD or 4WD, T85, cast “T85” BK345 BK345WS
1968-73 3spd with overdrive, RWD or 4WD, T85, cast “T85” BK345A BK345AWS
1968-72 3spd, RWD or 4WD, T87, 6 bolt top cover, cast “T87” BK346 BK346WS
1968-76 4spd, RWD or 4WD, T18, iron case and top cover, cast “T18” or “1301” BK114 BK114WS
– 20mm wide input bearing
1968-76 4spd, RWD or 4WD, T18, iron case and top cover, cast “T18” or “1301” BK114A BK114AWS
– 23mm wide input bearing
1968-76 4spd, RWD or 4WD, T19, iron case and top cover, cast “T19” or “1309” BK146 BK146WS
– 20mm wide input bearing
1968-76 4spd, RWD or 4WD, T19, iron case and top cover, cast “T19” or “1309” BK146A BK146AWS
– 23mm wide input bearing
1968-76 4spd, RWD or 4WD, NP435, iron case, aluminum top cover BK127 BK127WS
Note: Kit with rings includes complete 3rd-4th synchro assembly
390ci 1967-76 3spd, RWD or 4WD, Tremec, iron case, 9 bolt top cover BK111 BK111AWS
1967-73 3spd without overdrive, RWD or 4WD, T85, cast “T85” BK345 BK345WS
1967-73 3spd with overdrive, RWD or 4WD, T85, cast “T85” BK345A BK345AWS
1967-72 3spd, RWD or 4WD, T87, 6 bolt top cover, cast “T87” BK346 BK346WS
1967-76 4spd, RWD or 4WD, T18, iron case and top cover, cast “T18” or “1301” BK114 BK114WS
– 20mm wide input bearing
1967-76 4spd, RWD or 4WD, T18, iron case and top cover, cast “T18” or “1301” BK114A BK114AWS
– 23mm wide input bearing
1968-76 4spd, RWD or 4WD, T19, iron case and top cover, cast “T19” or “1309” BK146 BK146WS
– 20mm wide input bearing
1968-76 4spd, RWD or 4WD, T19, iron case and top cover, cast “T19” or “1309” BK146A BK146AWS
– 23mm wide input bearing
1967-76 4spd, RWD or 4WD, NP435, iron case, aluminum top cover BK127 BK127WS
Note: Kit with rings includes complete 3rd-4th synchro assembly
400ci 1977-79 3spd, RWD or 4WD, Tremec, iron case, 9 bolt top cover BK111 BK111AWS
1977-79 4spd, RWD or 4WD, T18, iron case and top cover, cast “T18” or “1301” BK114 BK114WS
– 20mm wide input bearing
1977-79 4spd, RWD or 4WD, T18, iron case and top cover, cast “T18” or “1301” BK114A BK114AWS
– 23mm wide input bearing
1977-79 4spd, RWD or 4WD, T19, iron case and top cover, cast “T19” or “1309” BK146 BK146WS
– 20mm wide input bearing
1977-79 4spd, RWD or 4WD, T19, iron case and top cover, cast “T19” or “1309” BK146A BK146AWS
– 23mm wide input bearing
1977-79 4spd, RWD or 4WD, NP435, iron case, aluminum top cover BK127 BK127WS
Note: Kit with rings includes complete 3rd-4th synchro assembly
4.6L 1997-99 5spd, RWD or 4WD, M5R2, aluminum case and top cover BK248 BK248AWS
1999-on 5spd, RWD or 4WD, M5R2, aluminum case and top cover BK248 BK248CWS
– 2nd synchro ring is multi-piece design
5.0L 1980-86 3spd, RWD or 4WD, Tremec, iron case, 9 bolt top cover BK111 BK111WS
– 2nd and 3rd synchro rings are smaller than 1st ring
1980-86 3spd, RWD or 4WD, Tremec, iron case, 9 bolt top cover BK111 BK111AWS
– all synchro rings are the same size
1980-87 3spd with overdrive, RWD or 4WD, RUG, aluminum case BK112 BK112WS
1980-93 4spd, RWD or 4WD, T18, iron case and top cover, cast “T18” or “1301” BK114 BK114WS
– 20mm wide input bearing
1980-93 4spd, RWD or 4WD, T18, iron case and top cover, cast “T18” or “1301” BK114A BK114AWS
– 23mm wide input bearing
1980-87 4spd, RWD or 4WD, NP435, iron case, aluminum top cover BK127 BK127WS
Note: Kit with rings includes complete 3rd-4th synchro assembly
F-SERIES TRUCK, P-SERIES VAN and FULL SIZE BRONCO
Continued
8 cyl 5.0L 1988-97 5spd, RWD or 4WD, M5R2, aluminum case and top cover BK248 BK248WS
– 5th and Rev slider have 42 teeth
1988-97 5spd, RWD or 4WD, M5R2, aluminum case and top cover BK248 BK248AWS
– 5th and Rev slider have 33 teeth
1987-95 5spd, RWD or 4WD, ZF S542, aluminum case, cast “1307” BK300ZF BK300ZFWS
1995-97 5spd, RWD or 4WD, ZF S547, aluminum case, cast “1317” BK300ZF BK300ZFAWS
5.4L 1999-on 5spd, RWD or 4WD, ZF S547M, aluminum case, cast “1317” BK300ZFBBK300ZFBWS
5.8L 1980-86 3spd, RWD or 4WD, Tremec, iron case, 9 bolt top cover BK111 BK111WS
– 2nd and 3rd synchro rings are smaller than 1st ring
1980-86 3spd, RWD or 4WD, Tremec, iron case, 9 bolt top cover BK111 BK111AWS
– all synchro rings are the same size
1980-87 3spd with overdrive, RWD or 4WD, RUG, aluminum case BK112 BK112WS
1980-93 4spd, RWD or 4WD, T18, iron case and top cover, cast “T18” or “1301” BK114 BK114WS
– 20mm wide input bearing
1980-93 4spd, RWD or 4WD, T18, iron case and top cover, cast “T18” or “1301” BK114A BK114AWS
– 23mm wide input bearing
1980-87 4spd, RWD or 4WD, NP435, iron case, aluminum top cover BK127 BK127WS
Note: Kit with rings includes complete 3rd-4th synchro assembly
1988-97 5spd, RWD or 4WD, M5R2, aluminum case and top cover BK248 BK248WS
– 5th and Rev slider have 42 teeth
1988-97 5spd, RWD or 4WD, M5R2, aluminum case and top cover BK248 BK248AWS
– 5th and Rev slider have 33 teeth
1988-95 5spd, RWD or 4WD, ZF S542, aluminum case, cast “1307” BK300ZF BK300ZFWS
1995-98 5spd, RWD or 4WD, ZF S547, aluminum case, cast “1317” BK300ZF BK300ZFAWS
6.0L 2003-on 6spd, RWD or 4WD, ZF S650, aluminum case, cast “1319” BK486B BK486DWS
6.9L 1983-87 4spd, RWD or 4WD, T19, iron case and top cover, cast “T19” or “1309” BK146 BK146WS
– 20mm wide input bearing
1983-87 4spd, RWD or 4WD, T19, iron case and top cover, cast “T19” or “1309” BK146A BK146AWS
– 23mm wide input bearing
1987 5spd, RWD or 4WD, ZF S542, aluminum case, cast “1307” BK300ZF BK300ZFWS
7.3L 1987-95 5spd, RWD or 4WD, ZF S542, aluminum case, cast “1307” BK300ZF BK300ZFWS
1995-98 5spd, RWD or 4WD, ZF S547, aluminum case, cast “1317” BK300ZF BK300ZFAWS
1999-03 6spd, RWD or 4WD, ZF S650, aluminum case, cast “1319” BK486 BK486WS
7.5L 1983-87 4spd, RWD or 4WD, T19, iron case and top cover, cast “T19” or “1309” BK146 BK146WS
– 20mm wide input bearing
1983-87 4spd, RWD or 4WD, T19, iron case and top cover, cast “T19” or “1309” BK146A BK146AWS
– 23mm wide input bearing
1987-95 5spd, RWD or 4WD, ZF S542, aluminum case, cast “1307” BK300ZF BK300ZFWS
1995-98 5spd, RWD or 4WD, ZF S547, aluminum case, cast “1317” BK300ZF BK300ZFAWS
10 cyl 6.8L 1999-on 5spd, RWD or 4WD, ZF S547M, aluminum case, cast “1317” BK300ZFBBK300ZFBWS
1999-on 6spd, RWD or 4WD, ZF S650, aluminum case, cast “1319” BK486 BK486WS
ESCAPE
4 cyl 2.0L 2001-on 5spd, AWD & FWD, G5P0, aluminum case, black tin cover over 5th gears BK210C BK210CWS
EXPLORER (Non Sport Models)
6 cyl 4.0L 1991-01 5spd, RWD or 4WD, M5R1, aluminum case and top cover BK247 BK247WS
– 5th and Rev slider have 36 teeth
1991-01 5spd, RWD or 4WD, M5R1, aluminum case and top cover BK247 BK247AWS
– 5th and Rev slider have 30 teeth
2002-on 5spd, RWD or 4WD, M5R4, aluminum case, rear load BK354 BK354WS
EXPLORER SPORT and SPORT TRAC
6 cyl 4.0L 1991-00 5spd, RWD or 4WD, M5R1, aluminum case and top cover BK247 BK247WS
– 5th and Rev slider have 36 teeth
1991-00 5spd, RWD or 4WD, M5R1, aluminum case and top cover BK247 BK247AWS
– 5th and Rev slider have 30 teeth
2001-on 5spd, RWD or 4WD, M5R1, aluminum case and top cover BK247 BK247BWS
– 2nd gear synchro ring is multi-piece design
RANGER
4 cyl 2.0L 1983-84 4spd, RWD or 4WD, TK4, 14 bolt aluminum bottom pan BK143 BK143WS
1983-85 5spd, RWD or 4WD, TK5, 14 bolt aluminum bottom pan – external mounted hydraulic slave cylinder BK144 BK144WS
1985-87 5spd, RWD or 4WD, TK5, 14 bolt aluminum bottom pan – internal mounted hydraulic slave cylinder BK144 BK144LWS
1985-87 5spd, 4WD, FM145, 12 bolt steel bottom pan BK151 BK151WS
1988 5spd, RWD, FM132, 12 bolt steel bottom pan BK151B BK151BWS
1988 5spd, 4WD, FM146, 12 bolt steel bottom pan – reverse synchro ring BK151 BK151AWS
2.2L 1983-84 4spd, RWD, TK4D, aluminum case, rear load – DIESEL BK137AD BK137ADWS
1983-84 5spd, RWD, TK5D, aluminum case, rear load – DIESEL BK137D BK137DWS
2.3L 1983-84 4spd, RWD or 4WD, TK4, 14 bolt aluminum bottom pan BK143 BK143WS
1983-85 5spd, RWD or 4WD, TK5, 14 bolt aluminum bottom pan – external mounted hydraulic slave cylinder BK144 BK144WS
1985-87 5spd, RWD or 4WD, TK5, 14 bolt aluminum bottom pan – internal mounted hydraulic slave cylinder BK144 BK144LWS
1985-87 5spd, 4WD, FM145, 12 bolt steel bottom pan BK151 BK151WS
1988-92 5spd, RWD, FM132, 12 bolt steel bottom pan BK151B BK151BWS
1988-92 5spd, 4WD, FM146, 12 bolt steel bottom pan – reverse synchro ring BK151 BK151AWS
1988-on 5spd, RWD or 4WD, M5R1, aluminum case and top cover – 5th and Rev slider have 36 teeth BK247 BK247WS
1988-on 5spd, RWD or 4WD, M5R1, aluminum case and top cover – 5th and Rev slider have 30 teeth BK247 BK247AWS
2001-on 5spd, RWD or 4WD, M5R1, aluminum case and top cover – 2nd gear synchro ring is multi-piece design BK247 BK247BWS
2.5L 1998-on 5spd, RWD or 4WD, M5R1, aluminum case and top cover BK247 BK247AWS
2001-on 5spd, RWD or 4WD, M5R1, aluminum case and top cover – 2nd gear synchro ring is multi-piece design BK247 BK247BWS
6 cyl 2.8L 1983-84 4spd, RWD or 4WD, TK4, 14 bolt aluminum bottom pan BK143 BK143WS
1984-85 5spd, RWD or 4WD, TK5, 14 bolt aluminum bottom pan – external mounted hydraulic slave cylinder BK144 BK144WS
1985-87 5spd, RWD or 4WD, TK5, 14 bolt aluminum bottom pan – internal mounted hydraulic slave cylinder BK144 BK144LWS
1985-87 5spd, 4WD, FM145, 12 bolt steel bottom pan BK151 BK151WS
2.9L 1985-87 5spd, RWD or 4WD, TK5, 14 bolt aluminum bottom pan BK144 BK144LWS
1985-87 5spd, 4WD, FM145, 12 bolt steel bottom pan BK151 BK151WS
1988-90 5spd, RWD, FM132, 12 bolt steel bottom pan – 2 wheel drive only – reverse synchro ring BK151B BK151BWS
1988-90 5spd, 4WD, FM146, 12 bolt steel bottom pan – reverse synchro ring BK151 BK151AWS
1988-92 5spd, RWD or 4WD, M5R1, aluminum case and top cover – 5th and Rev slider have 36 teeth BK247 BK247WS
1988-92 5spd, RWD or 4WD, M5R1, aluminum case and top cover – 5th and Rev slider have 30 teeth BK247 BK247AWS
3.0L 1991-on 5spd, RWD or 4WD, M5R1, aluminum case and top cover – 5th and Rev slider have 36 teeth BK247 BK247WS
1991-on 5spd, RWD or 4WD, M5R1, aluminum case and top cover – 5th and Rev slider have 30 teeth BK247 BK247AWS
2001-on 5spd, RWD or 4WD, M5R1, aluminum case and top cover – 2nd gear synchro ring is multi-piece design BK247 BK247BWS
4.0L 1990-on 5spd, RWD or 4WD, M5R1, aluminum case and top cover – 5th and Rev slider have 36 teeth BK247 BK247WS

6 cyl 4.0L 1990-on 5spd, RWD or 4WD, M5R1, aluminum case and top cover BK247 BK247AWS

– 5th and Rev slider have 30 teeth

2001-on 5spd, RWD or 4WD, M5R1, aluminum case and top cover BK247 BK247BWS

– 2nd gear synchro ring is multi-piece design