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 Rear Sun Gear Thrust Washer, Powerglide, Each

Sonnax Rear Sun Gear Thrust Washer, Powerglide, Each

$9.38

Sonnax Boost Valve Kit, Ford, Fd C6, Diesel Ratio, Each

Sonnax Boost Valve Kit, Ford, Fd C6, Diesel Ratio, Each

$85.70

Sonnax Line Pressure Booster Kit, Ford, 4R100, E4Od, Each

Sonnax Line Pressure Booster Kit, Ford, 4R100, E4Od, Each

$54.43

Sonnax Friction Ring, Jatco, 10.750in. X 9.500in. X .045", Each

Sonnax Friction Ring, Jatco, 10.750in. X 9.500in. X .045", Each

$14.37

Sonnax Thrust Bearing, GM 4L80E, Each

Sonnax Thrust Bearing, GM 4L80E, Each

$23.04

Sonnax Friction Ring, Chrysler, 10.250in. X 8.625in. X .066", Hts Material, Each

Sonnax Friction Ring, Chrysler, 10.250in. X 8.625in. X .066", Hts Material, Each

$28.00