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Transmission Parts

Ensure your racing vehicle operates at its fullest potential with our performance transmission parts. HPTautosport carries high-performance, durable, and affordable aftermarket transmission parts to help you build the best possible race car.

We offer aftermarket transmission parts for both street and race applications; find shifters, swap axle kits, clutch kits, carbon rebuild kits, and more. Plus, we price match, so you can receive unparalleled quality at a fraction of the cost.

Transmissions are prone to failure, so stay fast and in control with new parts. Browse our selection of performance transmission parts today.

Synchrotech Carbon Rebuild Kit K20 01-04 DC5 ITR 04-05 TSX BSK-SYN118A - HPTautosport

Synchrotech Carbon Rebuild Kit K20 01-04 DC5 ITR 04-05 TSX BSK-SYN118A

Synchrotech Carbon Rebuild Kit Part # BSK-SYN118A Included: Synchrotech® 1-6 Pro Series Carbon Synchro Set 1-6 springs 4 shaft bearings bearing clip 2 axle seals input seal Application: 01-04 Integra Type...
Synchrotech Carbon Synchro Sleeve Set 3-4 K Series (6 speed) SO-K20-3C

Synchrotech Carbon Synchro Sleeve Set 3-4 K Series (6 speed) SO-K20-3C

Synchrotech® Pro Series Carbon Sleeve Set   Includes: 3rd-4th Hardened Sleeve, Springs, and Pro Series Carbon Synchros   Fitting: 6 speed 02-06 RSX, 01-06 JDM ITR/CTR, 06-09 Civic Si, DC5, EP3 (X2M5 Y2M3...
Synchrotech Focus ST / MMT6 / ST250 / ST220 Pro-Series Carbon Synchro Set SYN-MMT6

Synchrotech Focus ST / MMT6 / ST250 / ST220 Pro-Series Carbon Synchro Set SYN-MMT6

Synchrotech® 1-6 Pro Series Carbon Synchro Set  *Carbon Fiber Lining           *Steel Body *Improved Performance      *More Surface Contact  *Smoother Shifts                *Improved Oiling Fitting: Ford Focus ST Mondeo MMT6 2013+ Part #: SYN-MMT6
Synchrotech FRS / BRZ GT86 Pro-Series Carbon Synchro Set - SYN-GT86

Synchrotech FRS / BRZ GT86 Pro-Series Carbon Synchro Set - SYN-GT86

Synchrotech® 1-6 Pro Series Carbon Synchro Set *Carbon Fiber Lining *Improved Performance *More Surface Contact*Smoother Shifts *Improved Oiling Part #: SYN-GT86Application: GT86 FRS/BRZ 2013+
Synchrotech Honda Acura B-Series Weighted Shift Knob ST-SK

Synchrotech Honda Acura B-Series Weighted Shift Knob ST-SK

Improve shifting feel and response: Precision machined from T6 Aluminum, the Synchrotech Shift Knob provides you with an added edge when quick-shifting ahead of the competition. Custom weighted to 410g...
Synchrotech Honda Acura Synchro Spring Set 1-6 K20 EP3 FN2 FD2 6MT SP117

Synchrotech Honda Acura Synchro Spring Set 1-6 K20 EP3 FN2 FD2 6MT SP117

1-6 Synchro Spring set Part # SP117 Application:K20 Six Speed Transmission (all)
Synchrotech Hub 3-4 K20 6 Speed SH-K20

Synchrotech Hub 3-4 K20 6 Speed SH-K20

Synchrotech® 3-4 Hardened Hub   Fitting: 3rd/4th K20 DC5 EP3 6 speed RSX/Civic Si/ITR/CTR 2002-2010 (X2M5 NSN4 PNN3 PNN4 NPR3 Y2M3 NPQ3)   Part Number: SH-K20 Application: K Series 6 Speed Transmission
Synchrotech K Series Bearing Seal Kit 02-04 BSK-K20-0204 - HPTautosport

Synchrotech K Series Bearing Seal Kit 02-04 BSK-K20-0204

Bearing and Seal Kit Part #BSK-K20-0204 Included: 4 shaft bearings, bearing clip, 2 axle seals, input seal Application:  02-04 RSX X2M5 W2M5 Note: fits only with 4.39 ratio FD  

Synchrotech K Series Bearing Seal Kit BSK-K20 - HPTautosport

Synchrotech K Series Bearing Seal Kit BSK-K20

Bearing and Seal Kit Part # BSK-K20 Included: 4 shaft bearings, bearing clip, 2 axle seals, input seal Application: Y2M3 PNN3 PNN4 NSN4 NPR3 NPQ3 NRH3 Note: fits only models with 4.76 and...
Synchrotech Master Rebuild Kit Acura RSX Type S 02-04 MK-SYN118

Synchrotech Master Rebuild Kit Acura RSX Type S 02-04 MK-SYN118

Fitting: 2002-2004 Acura RSX Type S K20 6 speed (X2M5) Included: Synchrotech® 1-6 Pro Series Carbon Synchro Set , 1-6 springs, 1/2/3/4/5/6 sleeves, 4 shaft bearings, bearing clip, 2 axle seals,...
Synchrotech Pro Carbon Synchro Set 2005-2006 Acura RSX-S DC5 - HPTautosport

Synchrotech Pro Carbon Synchro Set 2005-2006 Acura RSX-S DC5

Synchrotech® 1-6 Pro Series Carbon Synchro Set   *Carbon Composite Lining            *Stronger Brass Body *Improved Lock Angle   *More Surface Contact *Stronger Bonding  *Improved Oiling   Part # SYN117   Application: 2005-2006 Acura...
Synchrotech Pro Series Carbon Synchro Set 2002-2004 Acura RSX-S DC5 - HPTautosport

Synchrotech Pro Series Carbon Synchro Set 2002-2004 Acura RSX-S DC5

Synchrotech® 1-6 Pro Series Carbon Synchro Set   *Carbon Composite Lining *Stronger Brass Body *Improved Lock Angle          *More Surface Contact *Stronger Bonding               *Improved Oiling   Part...
Synchrotech Pro-Series 3rd Carbon Synchro K20 6 speed SYNK20-3

Synchrotech Pro-Series 3rd Carbon Synchro K20 6 speed SYNK20-3

Synchrotech®  3rd Pro Series Carbon Synchro   *Carbon Composite Lining            *Stronger Brass Body     *Improved Lock Angle          *More Surface Contact      *Stronger Bonding               *Improved Oiling     Fitting: 3rd or...
Synchrotech Pro-Series Carbon Synchro 2nd (GSR ITR B16) SYN-14F - HPTautosport

Synchrotech Pro-Series Carbon Synchro 2nd (GSR ITR B16) SYN-14F

Synchrotech® 2nd Pro Series Carbon Synchro   *Carbon Composite Lining            *Stronger Brass Body *Improved Lock Angle          *More Surface Contact *Stronger Bonding               *Improved Oiling   Part # SYN-14F   Application: 92-01 GSR ITR B16...
Synchrotech Pro-Series Carbon Synchro Set 1-5 (Y1/S1) '89-91 SYN-103

Synchrotech Pro-Series Carbon Synchro Set 1-5 (Y1/S1) '89-91 SYN-103

Synchrotech® 1-5 Pro Series Carbon Synchro Set   *Carbon Composite Lining            *Stronger Brass Body   *Improved Lock Angle          *More Surface Contact   *Stronger Bonding               *Improved Oiling     Part # SYN-103 Fitting 89-91 Cable Model with Gold ID Sticker...
Synchrotech Pro-Series Carbon Synchro Set 1-5 89-00 Honda Civic D-Series

Synchrotech Pro-Series Carbon Synchro Set 1-5 89-00 Honda Civic D-Series

Synchrotech® 1-5 Pro Series Carbon Synchro Set*Carbon Composite Lining *Stronger Brass Body*Improved Lock Angle *More Surface Contact*Stronger Bonding *Improved Oiling Part #: SYN111 Application:  Civic CRX Del Sol D15 D16 SOHC (L3...
Synchrotech Pro-Series Carbon Synchro Set 1-5 H22 Prelude 93-01

Synchrotech Pro-Series Carbon Synchro Set 1-5 H22 Prelude 93-01

Synchrotech® 1-5 Pro Series Carbon Synchro Set*Carbon Composite Lining *Stronger Brass Body *Improved Lock Angle *More Surface Contact *Stronger Bonding *Improved Oiling Part #: SYN109Application:93-01 Prelude H22 (M2Y4 M2U4 M2A4...
Synchrotech Pro-Series Carbon Synchro Set 1-5 Prelude Si (H23) 92-96

Synchrotech Pro-Series Carbon Synchro Set 1-5 Prelude Si (H23) 92-96

Synchrotech® 1-5 Pro Series Carbon Synchro Set*Carbon Composite Lining *Stronger Brass Body *Improved Lock Angle *More Surface Contact *Stronger Bonding *Improved Oiling Part #: SYN115-3 Application: 93-96 Prelude Si (M2S4)     
Synchrotech Pro-Series Carbon Synchro Set 1-6 Civic Si 06-10 SYN117-3 - HPTautosport

Synchrotech Pro-Series Carbon Synchro Set 1-6 Civic Si 06-10 SYN117-3

Synchrotech® 1-6 Pro Series Carbon Synchro Set   *Carbon Composite Lining            *Stronger Brass Body *Improved Lock Angle          *More Surface Contact *Stronger Bonding               *Improved Oiling   Part # SYN117-3   Application: 2006-2010 Civic...
Synchrotech Pro-Series Carbon Synchro Set 1-6 DC5 ITR SYN118-1

Synchrotech Pro-Series Carbon Synchro Set 1-6 DC5 ITR SYN118-1

Synchrotech® 1-6 Pro Series Carbon Synchro Set *Carbon Composite Lining*Stronger Brass Body*Improved Lock Angle *More Surface Contact*Stronger Bonding *Improved Oiling   Part # SYN118-1   Application: 01-04 Integra Type R (Y2M3)...