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 PRO-X TH400 9 inch Drag Race Converter w/ 5800-6300 Stall for 1800 lb Vehicle.

TCI PRO-X TH400 9 inch Drag Race Converter w/ 5800-6300 Stall for 1800 lb Vehicle.

$3,261.18

View
Hays Torque Converter, Twister 3/4 Race, 1.703 in. Crank Pilot, 1968-81 GM TH350, 3600-4200 RPM, 30-Spline, 9.6 in. Dia., Each

Hays Torque Converter, Twister 3/4 Race, 1.703 in. Crank Pilot, 1968-81 GM TH350, 3600-4200 RPM, 30-Spline, 9.6 in. Dia., Each

$1,022.39

View
B&M Torque Converter, Tork Master, 1,900-2,100 rpm Stall Range, Chevy, TH400/TH375/TH350/TH375B, Each

B&M Torque Converter, Tork Master, 1,900-2,100 rpm Stall Range, Chevy, TH400/TH375/TH350/TH375B, Each

$480.39

View
Hays Torque Converter, Twister 3/4 Race, 1.703 in. Crank Pilot, 1982-Up GM 700R4/200R4, 2400-2800 RPM, 27-Spline, 9.6 in. Dia., Each

Hays Torque Converter, Twister 3/4 Race, 1.703 in. Crank Pilot, 1982-Up GM 700R4/200R4, 2400-2800 RPM, 27-Spline, 9.6 in. Dia., Each

$1,022.39

View
Hays Torque Converter, Twister Full Race, 1.703 in. Crank Pilot, 1992-Up GM 4L60E/4L65E, 2800-3200 RPM, 30-Spline, 9.6 in. Dia., Each

Hays Torque Converter, Twister Full Race, 1.703 in. Crank Pilot, 1992-Up GM 4L60E/4L65E, 2800-3200 RPM, 30-Spline, 9.6 in. Dia., Each

$1,387.16

View
ATI Performance Products Torque Converter, 8 In. Diameter, Treemaster, Mrt, 3.5+ Stroke, C4, Each

ATI Performance Products Torque Converter, 8 In. Diameter, Treemaster, Mrt, 3.5+ Stroke, C4, Each

$2,280.76

View