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.