Sonnax Performance Converter Kits
Engineered to Deliver Builds that Last
Designed from the ground up to outperform OE and other aftermarket components, Sonnax has you covered with a full line of performance converter kits for gas and diesel vehicles. Offering the widest variety of options in the aftermarket, these innovative kits deliver customized performance and value.

Small/Large Diameter
Single-Plate/Multi-Plate/Non-Lockup
Dampered/Damperless

Choose the right kit for your rebuild!

More From This Category

Sonnax Bushing Kit, Ford 6R80, Each

Sonnax Bushing Kit, Ford 6R80, Each

$204.88

Sonnax Bushing, Ford 4R100, Each

Sonnax Bushing, Ford 4R100, Each

$9.17

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 Piston Seal, Ford, Fd 4F27E, Fnr5, Mz Fn4A, Fs5A-El, Each

Sonnax Piston Seal, Ford, Fd 4F27E, Fnr5, Mz Fn4A, Fs5A-El, Each

$5.90

Sonnax Bearing Adapter, Jatco, Jatco, Jr403E, Rg4Ro1A, Each

Sonnax Bearing Adapter, Jatco, Jatco, Jr403E, Rg4Ro1A, Each

$19.15

Sonnax Friction Ring, Chrysler, 12.500in. X 10.750in. X .066", Htl Material, Each

Sonnax Friction Ring, Chrysler, 12.500in. X 10.750in. X .066", Htl Material, Each

$25.28