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Sonnax 11in. Performance Converter Kit, Ford, C4 11in. Bcd, Non-Lockup, Each

Sonnax 11in. Performance Converter Kit, Ford, C4 11in. Bcd, Non-Lockup, Each

$874.17

Sonnax 2-3 Accumulator Piston, Ford, AODe, 4R70W, Each

Sonnax 2-3 Accumulator Piston, Ford, AODe, 4R70W, Each

$21.00

Sonnax 2-3 Accumulator Piston, GM, 4T80E (1994-Later), Each

Sonnax 2-3 Accumulator Piston, GM, 4T80E (1994-Later), Each

$21.89

Sonnax 2-3 Accumulator Spring, GM, 4L80-E, 4L85-E, Each

Sonnax 2-3 Accumulator Spring, GM, 4L80-E, 4L85-E, Each

$20.65

Sonnax 2.84 Ratio Input Carrier Kit, GM, 4L60, 4L60-E, 4L65-E, 4L70-E, Each

Sonnax 2.84 Ratio Input Carrier Kit, GM, 4L60, 4L60-E, 4L65-E, 4L70-E, Each

$1,448.27

Sonnax 2Nd Gear "Corvettein. Ratio Servo Kit, GM, 4L60, 4L60-E, 4L65-E, 4L70-E, Each

Sonnax 2Nd Gear "Corvettein. Ratio Servo Kit, GM, 4L60, 4L60-E, 4L65-E, 4L70-E, Each

$96.76

Sonnax 2Nd Gear Super Hold Servo Kit, Chrysler, 46Re, 46RH, 47RE, 47RH, 48RE, A727, Each

Sonnax 2Nd Gear Super Hold Servo Kit, Chrysler, 46Re, 46RH, 47RE, 47RH, 48RE, A727, Each

$195.00

Sonnax 3-4 Accumulator Piston, GM, 4T65-E, Each

Sonnax 3-4 Accumulator Piston, GM, 4T65-E, Each

$37.14

Sonnax 3-4 Accumulator Piston, GM, 4T80E, Each

Sonnax 3-4 Accumulator Piston, GM, 4T80E, Each

$29.77

Sonnax 3-4 Accumulator Sleeve Kit, GM, 4L60, 4L60-E, 4L65-E, 4L70-E, Each

Sonnax 3-4 Accumulator Sleeve Kit, GM, 4L60, 4L60-E, 4L65-E, 4L70-E, Each

$51.83

Sonnax 3-4 Clutch Boost Spring & Retainer Assembly, GM, Th700-R4/4L60/E/65E 1988-2011, Each

Sonnax 3-4 Clutch Boost Spring & Retainer Assembly, GM, Th700-R4/4L60/E/65E 1988-2011, Each

$15.31

Sonnax 3-4 Clutch Boost Spring, GM, 4L60, 4L60E/65E/70E '88-Later

Sonnax 3-4 Clutch Boost Spring, GM, 4L60, 4L60E/65E/70E '88-Later

$19.44

Sonnax 3-5-R Drum Saver Kit, GM 6T40/45/50 (Gen. 1 & 2), Each

Sonnax 3-5-R Drum Saver Kit, GM 6T40/45/50 (Gen. 1 & 2), Each

$122.87

Sonnax 3-5-R Drum Saver Kit, GM, 6T70/75 Gen I, Ii, Each

Sonnax 3-5-R Drum Saver Kit, GM, 6T70/75 Gen I, Ii, Each

$119.15

Sonnax 3Rd & Reverse Checkball Sleeve Kit, GM, 4L80E, 4L85E '95-Later, Each

Sonnax 3Rd & Reverse Checkball Sleeve Kit, GM, 4L80E, 4L85E '95-Later, Each

$36.67

Sonnax 3Rd Accumulator Checkball & Seat, GM, 4L60, 4L60-E, 4L65-E, 4L70-E, Each

Sonnax 3Rd Accumulator Checkball & Seat, GM, 4L60, 4L60-E, 4L65-E, 4L70-E, Each

$17.58

Sonnax 3Rd Clutch Piston Kit, GM, 4T60-E, 4T65-E, Each

Sonnax 3Rd Clutch Piston Kit, GM, 4T60-E, 4T65-E, Each

$309.22

Sonnax 3Rd Clutch Piston Lip Seal, GM 4T60-E, 4T65-E, Each

Sonnax 3Rd Clutch Piston Lip Seal, GM 4T60-E, 4T65-E, Each

$10.59

Sonnax 4-5-6 Accumulator Piston Kit, GM, 6T70/75/80 (Gen 2), Each

Sonnax 4-5-6 Accumulator Piston Kit, GM, 6T70/75/80 (Gen 2), Each

$44.78

Sonnax 4-5-6 Clutch Backing Plate, GM, 6L80 Commodore VE-VF 6L80E, 6L90 Commodore VE-VF LSA, Each

Sonnax 4-5-6 Clutch Backing Plate, GM, 6L80 Commodore VE-VF 6L80E, 6L90 Commodore VE-VF LSA, Each

$125.85

Sonnax 4-5-6 Clutch Steel, GM, 6L80 Commodore VE-VF 6L80E 6L90 Commodore VE-VF LSA Powerglide-Style, Each

Sonnax 4-5-6 Clutch Steel, GM, 6L80 Commodore VE-VF 6L80E 6L90 Commodore VE-VF LSA Powerglide-Style, Each

$27.08

Sonnax 4C Retaining Ring & Shim Kit, Chrysler, 45RFE/545RFE/65RFE/66RFE/68RFE, Each

Sonnax 4C Retaining Ring & Shim Kit, Chrysler, 45RFE/545RFE/65RFE/66RFE/68RFE, Each

$37.73

Sonnax 4Th Accumulator Repair Kit, GM, 4L80E, 4L85E, Each

Sonnax 4Th Accumulator Repair Kit, GM, 4L80E, 4L85E, Each

$65.00

Sonnax 8-Bolt Adapter Flange Yoke, 1350, Each

Sonnax 8-Bolt Adapter Flange Yoke, 1350, Each

$584.31

Sonnax Accumulator Cover Plate Kit, Chrysler, 45RFE/545RFE/65RFE/66RFE/68RFE, Each

Sonnax Accumulator Cover Plate Kit, Chrysler, 45RFE/545RFE/65RFE/66RFE/68RFE, Each

$43.31

Sonnax Accumulator Piston Kit, 45RFE, 545RFE, 65RFE, 66RFE, 68RFE, Each

Sonnax Accumulator Piston Kit, 45RFE, 545RFE, 65RFE, 66RFE, 68RFE, Each

$55.52

Sonnax Accumulator Piston Kit, 45RFE, 545RFE, 65RFE, 66RFE, 68RFE, Each

Sonnax Accumulator Piston Kit, 45RFE, 545RFE, 65RFE, 66RFE, 68RFE, Each

$201.63

Sonnax Accumulator Piston Kit, Aisin Aw, 09D/G/K/M, 6F21Wa, Tf-80/81Sc, Each

Sonnax Accumulator Piston Kit, Aisin Aw, 09D/G/K/M, 6F21Wa, Tf-80/81Sc, Each

$27.44

Performance Transmission Parts & Accessories

Get maximum power transfer and reliable shifting with our comprehensive range of transmission components. From street-driven vehicles to dedicated race cars, we stock quality parts from leading brands to suit your performance needs.

Complete Transmission Solutions

Level up your drivetrain with our selection of performance transmissions. Whether you need a stronger gearbox for street use or a full-race unit, we offer options to handle serious horsepower. From valve bodies to transmission pans, we stock the complete range of components needed for a reliable transmission build.

Clutch & Flywheel Packages

Choose from our range of clutches designed to provide consistent power transfer under demanding conditions. Pair these with our lightweight flywheels to improve engine response and reduce rotating mass. We stock options for both street and competition use.

Shifter & Control Components

Get positive gear selection with our shifters and parts. From short throw shifters to racing sequential units, we have options to suit your driving style. Complete your build with our selection of gear cables, torque converters and transmission catch cans.

Choosing Your Components

When selecting transmission components, consider:

- Vehicle power output

- Intended use (street/strip/race)

- Driving style

- Gearing requirements

- Shift response needs

Check individual product listings for detailed specifications and compatibility information.