COMP Cams Thumper NSR Stage 1 Hydraulic Roller Camshaft - Lift 0.541 / 0.536 in - Duration 276 / 295 - 112 LSA - 1600 / 6400 RPM - GM LS-Series H76903FXL 4 x 7 x 10

4 x 7 x 10 in Legs

1987-1989 Pontiac Safari

ApprovedBuilt-in rev limiter to protect your engineO-ring seals can be added to modified blocks to improve oil pressure controlSpecial oil tract improves lubrication to the distributor and cam gearNylon pads ensure smooth operation of the advance weightsPowerful built-in module produces a 7

from different aspects of racing have called with their specialized needs

2007-2013 GMC Sierra 1500 WT Standard Cab Pickup

COMP Cams Thumper NSR Stage 1 Hydraulic Roller Camshaft - Lift 0.541 / 0.536 in - Duration 276 / 295 - 112 LSA - 1600 / 6400 RPM - GM LS-Series H76903FXL 4 x 7 x 10Perfect choice for strong idle lope and great power in 4. 8 and 5. 3L truck engines. No Springs Required (NSR) version of popular Thumpr lobe designs. AFM and VVT delete. Vehicle Applications: 2009 2012 GMC Canyon 2006 2007 Chevrolet Monte Carlo 1999 2016 Chevrolet Silverado 2500 2008 2018 Chevrolet Silverado 3500 2011 2017 Chevrolet Caprice 2005 2009 GMC Envoy 2009 2019 Chevrolet Silverado 2500 HD 2003 2019 GMC Savana 2500 2009 2019 GMC Sierra 3500