"Rebuilt High-Performance Torque Converter 2010-15 Cadillac CTS-V 6.2L Billet Cover Sonnax Multi Clutch"
Key Features:
- Billet Cover: Enhanced strength and durability to handle extreme torque.
- Sonnax Components: Precision-engineered parts for optimal efficiency and reliability.
- Triple Clutch: Maximizes power transfer and reduces slippage under heavy loads.
- Performance Stall Range: Tuned for 1800-2400 RPM, ensuring seamless power delivery.
- Rebuilt Quality: Professionally rebuilt with strict quality control to ensure like-new performance.
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6L90 (Captive Clutch Conversion), Multi-Plate Performance Converter, 6L90 (Captive Clutch)
B-85JMDY Or CVC BU73
Performance Converter Kit
GM 6L90 (Captive Clutch) torque converters are a nuisance to rebuild. In these converters, the piston is held onto the cover by leaf springs and rivets that are difficult to remove to get to the clutch plate that is captive between the piston and the cover. Sonnax JMDY performance converter kit GM-RK-24 does not use a captive clutch plate design, making it simple to rebuild these units while improving reliability.
One example of a 6L90 captive clutch unit is the high-horsepower GM Cadillac CTS-V. Its engine can quickly push the stock, two-disc converter clutch past capacity. Sonnax GM-RK-24 is a dampered, 300mm multi-plate upgrade that employs a forged six-pad cover, forged piston and three woven carbon friction elements for significantly increased clutch capacity and durability. By reusing the OE damper with the Sonnax clutch plates (bonded with OE woven carbon friction material), GM-RK-24 ensures optimal TCC apply and release characteristics, as well as slip rates that match OE continuous slip calibrations. Drivability is excellent. This easy-to-build and cost-effective kit includes clear, concise instructions.
While testing this kit, Sonnax found that the pressure needed to keep this multi-plate TCC slipping at the calibrated rate was much less than the pressure needed in a comparable single-disc converter. Because the Sonnax multi-plate clutch needs less pressure, there is less demand placed on transmission electronics and hydraulics. With the GM-RK-24, it’s easy for the transmission to keep the TCC slip within required slip parameters.
Enhanced design features include:
- OE friction material bonded to each clutch plate
- Forged components assure rigid apply and reaction surfaces
- Lathe turned feature on mount pads identifies this kit as a multi-plate
- Added clutch capacity reduces required lockup pressure
- Lower operating pressure reduces demand on transmission electronics and hydraulicsNoteThis converter kit requires a salvaged inner damper plate from a GM 6L80 or 6L90 converter.The converter sticker codes found on 6L80/90 full size converters are not always consistent. In particular, the JMDZ code can be found on both gas and diesel types of these converters. Be sure to check the bolt circle diameter and overall converter height to verify the Sonnax kit is designed for your application.
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- Front Cover
- Clutch Plate with External Splines
- Clutch Plate with Internal Splines
- Piston
- Rivets (8) 2 Extra
- Transmission Unit: 6L90
- Core: GM 300mm
- Dampered: Yes
- Lockup: Multi-Plate
- Unit Size: 300mm
- Clutch Material: Woven Carbon
- Turbine Hub Input Spline Count: 36
- Bolt Count: 6
- Assembled Height: 6.180"
- Bolt Circle Dia.: 11.06"
