Comp Cams Xtreme EnergyT, XR276HR: Cam & Kit Billet-Cam-Seals Luxury 2004 - 2009 Hummer

Luxury 2004 - 2009 Hummer H2 Base 2007 Hummer H2 Special Edition 2008 - 2010 Hummer H3 Adventure

Surface prep and paint selection are up to you — refer to your preferred paint supplier for product compatibility with your bumper color

and keep it away from heat vents during hot weather

This performance-driven upgrade delivers aggressive styling while improving airflow and rear-end stability at high speeds

Comp Cams Xtreme EnergyT, XR276HR: Cam & Kit Billet-Cam-Seals Luxury 2004 - 2009 HummerXtreme Energy", XR276HR: Cam & Kit Hydraulic Roller: Great for street machines, needs intake, headers, stall, and gears. Specifications Lifter Type: Hydraulic Roller Lifter Engine Family: Chevrolet 396 454 c. i. 8 CYL. 1965 1996 Cam Family: Xtreme Energy" Retro Fit Hydraulic Roller Camshafts RPM Range: 1900 to 5600 Valve Timing: 0. 006 Lobe Separation: 110 Intake Centerline: 106 Valve Lash: Hyd.(Intake) Hyd.(Exhaust) Duration: 276(Intake) 282(Exhaust)