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COMP Cams GM LS LSR Cam - 281LRRHR13 H77203FS If huge horsepower is whatVery wide power range and excellent mid range torque for LS engines with rectangular port cylinder heads. Vehicle Applications: 2002 2016 Cadillac Escalade 2005 2008 Pontiac Grand Prix 2014 2018 Chevrolet Suburban 2003 2014 Chevrolet Express 1500 1999 2013 Chevrolet Silverado 1500 2000 2014 GMC Yukon XL 1500 2003 2006 GMC Envoy XL 2008 2010 Hummer H3 2016 2017 Chevrolet LCF 3500 2003 2016 Cadillac Escalade ESV 2011 2017 Chevrolet Caprice 2004 2007