Description:

COMPATIBLE MODELS - Lifters fit 2008-2009 for Buick Allure, 2008-2009 for Buick LaCrosse, 2009-2012 for Cadillac Escalade, 2007-2012 for Chevy Avalanche, 2011 for Chevy Caprice, 2009 for Chevy Express 2500, 2009 for Chevy Express 3500, 2007-2009 for Chevy Impala, 2007 for Chevy Monte Carlo, 2007-2012 for Chevy Silverado 1500, 2007-2012 for Chevy Suburban 1500, 2007-2012 for Chevy Tahoe.. PART NUMBERS - 12569256,12571595,12639516,HL177,HL178,12619820,HT-2303. PRODUCT DETAILS - The hydraulic lifters contain a longer piston, which provides more load bearing surface and increases lifter longevity. In addition, the pushrod for Seat is made of a special powdered metal iron alloy that is heat-treated for strength and wear resistance. HIGHLY PERFORMANCE - Reduced noise and impact due to spacing, Reduced wear, lower engine noise and longer reliability. Hydraulic adjustment eliminates the need to adjust screws and nuts, and reduces engine noise..