COMP Cams Thumpr 227/241 Hydraulic Roller Cam - Oldsmobile 260-455 42-600-11 Turbo Wastegate [Breathable Hole Design] Using laser

[Breathable Hole Design] Using laser full perforation technology to ensure matching with the original car hole position

Integrated Switch - No separate relay hunting

it's good to go

New look and maximum performance

LT 2002 Chevrolet Silverado 1500 Custom 2004 - 2013 Chevrolet Silverado 1500 Hybrid 2007 - 2013 Chevrolet Silverado 1500 LTZ 2003 - 2006 Chevrolet Silverado 1500 SS 2002 - 2013 Chevrolet Silverado 1500 WT 2010 - 2013 Chevrolet Silverado 1500 XFE 2004 Chevrolet Silverado 1500 Z71 2007 Chevrolet Silverado 1500 Classic Hybrid

COMP Cams Thumpr 227/241 Hydraulic Roller Cam - Oldsmobile 260-455 42-600-11 Turbo Wastegate [Breathable Hole Design] Using laserEngine Camshaft Fits 1967+ Oldsmobile 260, 307, 350, 403, 400, 425 and 455 V8 High performance street, stock converter ok, best with 2000+ converter and gears, choppy thumping idle.