Torque converter clutch material is engineered by the OEMs to operate in conjunction with vehicle computer programming. To meet the varied needs of the aftermarket, Sonnax strives to offer a full line of friction products in a wide variety of sizes and materials. Rebuilders should choose the product that best matches their specific vehicle requirements.
Materials Designed for Slip Converters

HTS - Designed for high-thermal capacity applications. Replaces spun-wound, woven or other carbon-based materials.
WC - Genuine OE woven carbon material developed by OEMs for continuous slip GM and Ford applications.

Materials Designed for Full Lockup Converters

HTE - Thermal capacity of Kevlar®, with improved consistency and shudder resistance.
HTL - High thermal and exceptional torque capacity for the most demanding torque-holding applications.
XTL - 30% More torque holding capacity than HTL. Available only for a small range of extreme-duty lockup applications.
Learn more about Friction Rings

More From This Category

ARP Nut, 12-point, 8740 Chromoly, Steel, Black, 1/4 in.-28 Thread, 180000psi, Set of 2

ARP Nut, 12-point, 8740 Chromoly, Steel, Black, 1/4 in.-28 Thread, 180000psi, Set of 2

$6.54

Quick Fuel Carburetor Heat Shield, Quick Cool Carburetor Insulator, Aluminium, Gaskets, Kit

Quick Fuel Carburetor Heat Shield, Quick Cool Carburetor Insulator, Aluminium, Gaskets, Kit

$312.08

Trick Flow Valve Spring Retainer, Titanium, 7 Degree, 1.300 in. Outside Diameter, .675 in. Inside Diameter, Set of 16

Trick Flow Valve Spring Retainer, Titanium, 7 Degree, 1.300 in. Outside Diameter, .675 in. Inside Diameter, Set of 16

$530.70

Dakota Digital Gauge, Solarix Series, Nitrous Pressure, Digital, 0- 2000 psi, 2-1/16 in. Diameter, Chrome Bezel, Blue Numerals, Each

Dakota Digital Gauge, Solarix Series, Nitrous Pressure, Digital, 0- 2000 psi, 2-1/16 in. Diameter, Chrome Bezel, Blue Numerals, Each

$351.01