GM 6.0 AFM Lifter Replacement Kit Head Gasket Set Head Bolts Lifters and Guides Engine Variable Valve Timing (VVT) Solenoid 1985-1988 CHEVROLET SPECTRUM 1

1985-1988 CHEVROLET SPECTRUM 1

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GM 6.0 AFM Lifter Replacement Kit Head Gasket Set Head Bolts Lifters and Guides Engine Variable Valve Timing (VVT) Solenoid 1985-1988 CHEVROLET SPECTRUM 1Remark: Engines with AFM use a special camshaft, a high volume oil pump, and a pressure relief valve in the oil pan. AFM lifters fail when feed oil to the lifter is low or mistimed. GM has released an updated VLOM (Valve Lifter Oil Manifold) # 12571609 to help address this problem. Install new VLOM is highly recommended. Anything that affects oil pressure to the AFM lifters will cause AFM lifter failures: includes failed oil pump, restricted oil