Sonnax 77898E-14K Boost Valve Kit 4L60E 4L65E 4L70E Late pump design, .421" dia Featured Products This pan features internal heat

This pan features internal heat sinks and external cooling fins

Combo kit fits all models 1993-2003

Pin O-Rings (2) 1 extra

Manufacturer Part Number: T74007E-8

5 Forward Clutch

Sonnax 77898E-14K Boost Valve Kit 4L60E 4L65E 4L70E Late pump design, .421" dia Featured Products This pan features internal heatCountry Region of Manufacture: United States OE Spec or Performance Custom: Performance Custom Manufacturer Part Number: 77898E 14K Brand: Sonnax Manufacturer Warranty: No Warranty 4L60 E, 4L65 E, 4L70 E Boost Valve Kit Part No. 77898E 14K Late pump design, . 421" dia, O ring style with OE ratio GM 4L60 E, 4L65 E and 4L70 E transmissions frequently have poor line rise, which can result in 3 4 clutch, 2 4 band failure or poor shift quality. The duty