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Sonnax  |  SKU: 77898E-6K

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

$51.50
Shipping calculated at checkout.
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.  
Sonnax

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

$51.50
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.  
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