Fitment: The pinless forward accumulator piston kit is a replacement for 4L60E 4L65E 4L70E , applicable for Forward 1‑2, and 3‑4, for Sonnax FWD 1‑2 and 3‑4. The referencing OE number of this pinless accumulator piston kit are 77998‑03K, 77987‑01K, S74927BK, S74927K.
Improved Performance: The pinless accumulator piston kit helps improve shift quality, prevent slips and burnt clutches, bands caused by accumulator piston wear.
Design: The dual seals and pinless design eliminate the possibility of pin leakage, stabilizing the piston and preventing cocking for long lasting performance.
Easy to Install: The product is very easy to install and can be easily assembled without complicated tools saving you time and effort.
Strict Factory Testing: Every product that reaches you has gone through strict factory testing to ensure quality so please feel to buy!