Htostar Racing (8) AFM DOD Hydraulic Valve Lifters Roller Lifters Compatible with 5.3L 6.0L Chevy GMC Cadillac Buick 2005-2020 Active Fuel Management Roller Lifter replaces 12619820 12645725 12569256

Additional Details from the Manufacturer

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More features

• Hydraulic Valve Lifter——Hydraulic adjustment is adopted to automatically adjust the appropriate valve clearance state to prevent valve mechanism wear and noise.
• Part Number——(AFM Lifters)Replace 12569256, 12571595, 12632143, 12619820, 12639516, 12645725, 12680871.
• Fitment——Compatible with Chevy GMC Buick Cadillac GMC Isuzu Pontiac Saab,fit for 5.3L 6.0L 6.2L Engines with AFM 2005-2020.
• Models——Compatible with Chevy Avalanche,Camaro,Caprice,Corvette,Express 1500,Impala,Monte Carlo,Silverado 1500,Suburban,Tahoe,Trailblazer; Compatible with GMC Envoy,Savana 1500,Sierra,Yukon,Ascender; Compatible with Buick Allure,LaCrosse,Rainier;Compatible with Cadillac CTS,Escalade; Compatible with Pontiac G8,Grand Prix;Compatible with Saab 9-7x.
• Package Includes——8x AFM Lifters. No instructions included. Please fill the valve lifters with No. 68 hydraulic oil(pre-added in the lifters) when installing.