Sonnax 56947J-74K Transmission Boost Valve Kit 5R55S 5R55W 02-18

Manufacturer Part Number: 56947J-74KOther Part Number: S46741FKBrand: Sonnax 5R55S, 5R55W Boost Valve KitPart No. 56947J-74K Ford vehicles equipped with 5R55W and 5R55S transmissions frequently exhibit problems such as poor line rise, erratic line pressure, delayed engagement, no Reverse, poor shift quality and burnt clutches. These troubles can often be traced to wear in the OE boost sleeve, which allows pressure escape that causes driveability concerns. Installing Sonnax boost valve kit 56947J-74K eliminates pressure loss and revives line rise and shift quality in all ranges. Sleeve manufactured from highly wear-resistant aluminum Hardcoat anodized aluminum valves combat premature wear Contents Sleeve Inner Boost Valve Outer Boost Valve