Sonnax 4l60e 4l65e Boost Valve Kit .490" O-ring Style 77898e-k
Price:
$ 26
- Condition: New
Seller notes
4L60-E, 4L65-EBoost Valve KitPart No. 77898E-KEarly style, .490" dia., increased ratio, O-ring styleGM 4L60-E and 4L65-E transmissions frequently have poor line rise, which can result in 3-4 clutch, 2-4 band failure or poor shift quality. The duty cycle of the EPC solenoid causes the boost sleeve to wear quickly. Oil entering the torque signal orifice leaks past the boost valve and exhausts at the Reverse orifice, resulting in poor line rise. Reverse oil can exhaust both to the sump and back thr...
Contact Us regarding this vehicle
You will be redirected to eBay 
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission.