COMP Cams Stage 2 Thumpr Camshaft LS 4.8L/5.3L/6.0L Trucks H760C49XXL the KC7 CMR Carbon is

the KC7 CMR Carbon is a winning choice for the next generation of champion drivers

GM A-Body 1970-72 / F-Body 1971-72 / Fullsize Truck 1971-72

Perfect for Ford applications

2008-2015 Chevrolet Silverado 2500 HD

COMP Cams Stage 2 Thumpr Camshaft LS 4.8L/5.3L/6.0L Trucks H760C49XXL the KC7 CMR Carbon isLarger version of No Springs Required (NSR) Thumpr design for 5. 3 and 6. 0L truck applications. Ideal for more highly modified truck w headers, converter, gear, etc. Vehicle Applications: 2007 2007 Chevrolet Silverado 3500 Classic 2000 2014 GMC Yukon XL 1500 2003 2006 Chevrolet SSR 2004 2005 Workhorse FasTrack FT1601 2003 2006 Chevrolet Sonora 2007 2007 Chevrolet Silverado 2500 HD Classic 2005 2009 Saab 9 7x 2003 2006 Isuzu Ascender 2007 2007 GMC