GM 4L60E / 4L65E Boost Valve & Sleeve Kit
Sonnax boost valve kit 77898E-4K is a large OE ratio assembly that will restore hydraulic integrity and prevent leakage in units with early-design pumps.
OEM RATIO .470'
Original: $50.47
-70%$50.47
$15.14
Description
Sonnax boost valve kit 77898E-4K is a large OE ratio assembly that will restore hydraulic integrity and prevent leakage in units with early-design pumps.
OEM RATIO .470'














