Torque Converter & HP Converter Products
Nobody knows torque converters like Sonnax.
Sonnax is the world's leading supplier of aftermarket torque converter components for domestic, import, industrial, racing and heavy-duty converters. Our extensive selection of parts combines the latest in automotive technology with outstanding reliability, performance and durability for long-lasting, trouble-free rebuilds.
New Parts Tech Articles Friction Ring DetailsBonding Pressure Calculator
| BW 310mm LU (A618, 47RH/RE, 48RE) | Unassembled Piston/Damper | BW-RK-1 |
| Preassembled Piston/Damper | BW-RK-2 | |
| Allison 1000/2000/2400 | Unassembled Piston/Damper | AL-RK-1 |
| Preassembled Piston/Damper | AL-RK-2 | |
| Chrysler 68RFE | Unassembled Piston/Damper | CH-RK-1 |
| Preassembled Piston/Damper | CH-RK-2 |
Contact your Sonnax sales representative today for orders or more information.
Kits In-Stock & Ready to Ship! Any Kit! Any Quantity!
Sonnax multi-plate converter clutch kits are the #1 choice among performance enthusiasts for upgrading full-size GM trucks and trucks with the Dodge Cummins diesel engine. To thank our customers for their support and give others a great opportunity to try these kits, Sonnax is holding a month-long sale with across-the-board, special pricing on all six kits.
Unlike other aftermarket clutch kits, Sonnax kits feature added clutch surface area to increase clutch holding capacity and a damper tunable to up to 1,250 ft-lb. of torque. The lock-up clutch is not a salvaged OE clutch, but a brand new, unique design, with no machining required.
BorgWarner is well known and widely respected as the leading supplier of OE friction products. BorgWarner torque converter friction rings have rarely before been made available to the aftermarket, providing converter rebuilders some of the most advanced original equipment materials anywhere in four material options and a wide range of popular sizes.
Learn More!New BorgWarner Friction Ring Tech Resources
Bonding BorgWarner Friction Rings
Learn about the general bonding guidelines that will help ensure that you are optimizing your bonding process.
Read MoreSelecting Friction Material
Friction material properties and quality are often discussed and debated. Learn how to select the right friction material for your rebuilld.
Read MoreBonding Pressure Calculator
Enter the details of your bonder's ram/piston and the friction ring you are bonding into the calculator here to find the piston pressure required to create the desired pressure at the ring.
Try it out!
The Puzzle Solved
BorgWarner Friction Rings
Segmented or puzzle lock friction material is now the standard for most OE manufacturers. Because they waste much less material to produce than stamped, solid rings, BorgWarner segmented/puzzle lock rings are more cost effective and available to torque converters rebuilders at a competitive price. Read more…
Sonnax Industries is an Employee-Owned Company
1 Automatic Drive · Bellows Falls, VT ·
05101-0440 · U.S.A.
800-843-2600 ·
802-463-9722