4T80E

Lip seals take a set in the groove and stop wiping the bore the way they did when new.4T80E piston coast piston. This piston set restores a positive seal so...

Lip seals take a set in the groove and stop wiping the bore the way they did when new.4T80E piston 3rd piston. The sealing surface is produced to the bore...

Bonded pistons fail at the bond line, and the failure is invisible on the bench.4T80E piston 2nd piston. This set returns the apply circuit to full clamping force.A leaking piston...