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

TCI Ultimate StreetFighter Converter for '67 to '81 Torqueflite 727

TCI Ultimate StreetFighter Converter for '67 to '81 Torqueflite 727

$2,619.52

TCI Torque Converter, Competition, For Chevrolet, TH350/TH375B, Each

TCI Torque Converter, Competition, For Chevrolet, TH350/TH375B, Each

$1,635.20

TCI Torque Converter, Breakaway, For Chevrolet, 700R4/200-4R, Each

TCI Torque Converter, Breakaway, For Chevrolet, 700R4/200-4R, Each

$1,019.50

TCI Extension Kit, Fits 1/4 in. Engine Plate, Fits 7/8 in. Torque Converters Only, with Removable Crank Pilot, Kit

TCI Extension Kit, Fits 1/4 in. Engine Plate, Fits 7/8 in. Torque Converters Only, with Removable Crank Pilot, Kit

$79.14

TCI StreetFighter Converter for '05-'10 V8 Mustang with 5R55S.

TCI StreetFighter Converter for '05-'10 V8 Mustang with 5R55S.

$1,403.19