2005-2009 Chevrolet Silverado 1500 5.3L V8 OHV 16 Valve AFM Lifter Replacement Kit Head Gasket Set Head Bolts Lifters Guides GenericProduct Overview: This GM 5. 3 AFM Lifter Replacement Kit includes a complete set of lifters, guides, head gaskets, and head boltseverything you need to restore your engines performance. The hydraulic lifters play a crucial role in reducing valve train clearance, minimizing engine noise, and extending reliability. Over time, lifters can accumulate sludge and contaminants, leading to performance issues and increased wear. This kit also includes a high