GM 4L60E / 4L65E Boost Valve & Sleeve Kit

77898E-4K

Regular price $45.00 Save $-45.00
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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'

Prop 65 Warning Label

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