4L60E / 4L65E /4L70E

A pack with a leaking piston never reaches full clamp, whatever the pressure gauge says.4L60E bonded piston kit OE 3 pcs. This restores the piece that turns line pressure into...

Hairline cracks in a piston do not show until the circuit is under pressure on the road.4L60E overrun clutch blue (bonded) (retros to 1982) piston. This restores the piece that...

Apply pressure that reads correct at the port can still be lost at the piston.4L60E forward clutch blue(bonded) (retros to 1982) piston. The sealing surface is produced to the bore...

A piston that leaks past its seal applies the pack slowly, and slow apply is what burns friction material.4L60E piston 4th clutch (bonded aftermarket) (retros to 1982. The sealing surface...

The piston is what converts line pressure into clamping force, so a leaking one makes every other repair pointless.4L60E piston overrun clutch aftermarket (bonded) (retros to 1982). This restores the...

Lip seals take a set in the groove and stop wiping the bore the way they did when new.4L60E piston forward clutch aftermarket (bonded) (retros to 1982). Each piston is...