Sonnax K77898A Reverse Boost Valve Kit 200-4R, 4L60 tools CHEVY GMC Olds Pontiac Buick

CHEVY GMC Olds Pontiac Buick

sealing off the potential leakage area

This can be traced to wear of the OE boost sleeve assembly

FITS 2011-on

Sonnax K77898A Reverse Boost Valve Kit 200-4R, 4L60 tools CHEVY GMC Olds Pontiac BuickBrand: Sonnax Other Part Number: S74507RBK Type: Pump Boost valve kit Interchange Part Number: S74507RCK Items Included: Reverse Boost Valve and Sleeve Kit Manufacturer Part Number: K77898A Material: Steel Universal Fitment: Yes Vintage Part: No Performance Part: Yes 200 4R, 4L60, 700R4 Transmission Reverse Boost Valve Kit Part No. K77898A Large Ratio, Factory Style Sleeve, No O Rings Vehicles with GM 200 4R and 4L60 transmissions often have