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GM 4L60E / 4L65E "Factory" Style Boost Valve Kit OEM

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GM 4L60E / 4L65E "Factory" Style Boost Valve Kit OEM

Sonnax boost valve kit 77898E-6K is a large OE ratio assembly that will restore hydraulic integrity and prevent leakage in units with early-design pumps. Performance ratio .470' (OEM STYLE) 1 ID groove on end (Late 4L60E,4L65E & 4L70E will not function properly if work valve is not installed.
$18.02

Original: $51.50

-65%
GM 4L60E / 4L65E "Factory" Style Boost Valve Kit OEM—

$51.50

$18.02

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Sonnax boost valve kit 77898E-6K is a large OE ratio assembly that will restore hydraulic integrity and prevent leakage in units with early-design pumps. Performance ratio .470' (OEM STYLE) 1 ID groove on end (Late 4L60E,4L65E & 4L70E will not function properly if work valve is not installed.