MA-4216894020 Chevy GM 5.3L 6.0 6.2L Active Fuel Mgt AFM DOD Valve Lifters Set 16

Ensure optimal engine performance with our Engine Valve Lifter, designed for durability, precision, and smooth valve operation. Whether you're replacing worn-out lifters or upgrading your engine, these high-quality components provide the reliable performance needed for efficient power delivery and reduced wear.Why Choose Our Engine Valve Lifter?Our Engine Valve Lifter is trusted by professional mechanics and automotive enthusiasts for its superior quality, precision engineering, and long-lasting durability. Manufactured with high-performance materials and thoroughly tested, this lifter ensures smooth valve operation, optimal engine efficiency, and reduced wear on critical components. Whether you're rebuilding an engine or replacing worn lifters, our product provides the reliability and performance you need.Remark: 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 pickup, leaking cam retainer plate or anything that reduces oil flow to the VLOM. Oil pressure alone is not a good indicator. Tuning your ECM is required to turn off AFM/DOD.This item includes:8 AFM Lifters / Engine Valve Adjusters (Active Fuel Management)8 Hydraulic Roller Lifters / Engine Valve Adjusters (23.00mm bore dia)Interchange Part Numbers: 17122490, 05234670, 12499225, 12564012, 12576400, 12648846, 25341990, HL7011S, HT2303, HL178, LIF3104, JB2079, HT2148

• The Engine Valve Lifter is made from premium-grade hardened steel and advanced alloys, ensuring exceptional durability, wear resistance, and longevity.
• Designed to maintain precise contact with the camshaft, the Engine Valve Lifter allows for efficient valve movement, reducing friction and preventing premature wear.
• Engineered to meet or exceed OEM specifications, this Engine Valve Lifter ensures a perfect fit for a wide range of vehicle makes and models, guaranteeing seamless installation.
• By optimizing valve timing and movement, the Engine Valve Lifter improves fuel combustion, reduces engine noise, and enhances overall power output and efficiency.
• Each Engine Valve Lifter undergoes rigorous testing under real-world conditions to ensure consistent performance, reliability, and a long service life.