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

77898E-6K

Regular price $45.00 Save $-45.00
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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.   Prop 65 Warning Label

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