Superior transmission Parts 4Th gear apply super servo piston cover provides better holding capasity in 4th gear, no drag release on 4-3 down shift, lip seal design seals prevent leakage.
700R4 4L60E Transmission Kevlar lined power band 2 5/8" wide.
Sonnax 77898E-3K Improves line pressure boost and shift firmness. This is a direct replacement part. No machining required. More Information