Sonnax 4L60/4L60E Input Drum Reinforcement Kit (Sonnax) 77733-51K Heavy Duty High Performance
$86.00
Out of stock
Sonnax 4L60/4L60E Input Drum Reinforcement Kit (Sonnax)
77733-51K
The GM 4L60, 4L60-E, 4L65-E and 4L70-E input drum assembly is known to crack and strip out splines where the input shaft is pressed into it (where the overrun piston rides). Sonnax offers a hardened steel sleeve that reinforces the input drum to prevent this failure. Sonnax input drum reinforcement kit 77733-51K includes a custom manufactured overrun piston designed for use only with a stamped steel forward piston, eliminating the need to use aluminum forward pistons.
- Custom overrun piston works with steel forward piston
- Chromoly steel sleeve design will not block clutch feed oil
- Universal design fits both early- and late-model units
Contents
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- Reinforcement SleeveOverrun Piston Inner SealOverrun PistonOverrun Piston Outer Seal
Please contact us with any questions or concerns.
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