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General Motors: 5L40-E

Part Number: 55209-01K

Boost Valve and Sleeve with Spacer Kit, Enhanced Performance

Valve O.D.s .531" and .492"

Part Summary Instructions

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© 2008 Sonnax Industries, Inc. Sonnax Transmission, Torque Converter, Performance, Driveline, Allison® Replacement Parts for automotive aftermarket rebuilders.