Description
2007 GMC Sierra 1500 HD Classic
Liquid Dampening Movement Provides Smooth Pointer Movement
218:1 Gear Ratio And 4-Way Roller Fairlead
ABC / Straight Up
Edelbrock Rollin Thunder Hydraulic Roller Camshaft - Lift 0.625 / 0.639 in - Duration 236 / 245 - 112 LSA - Big Block Chevy 2261 JE Pistons 2007 GMC Sierra 1500 HDEdelbrock Rollin' Thunder camshafts are designed to improve horsepower and torque, produce a great sounding performance idle and provide excellent vacuum at idle to support power accessories. Rollin' Thunder camshafts feature more aggressive lift profiles than possible with conventional flat tappet hydraulic cams, without excessive valve overlap that can compromise low rpm drivability; reduced friction provided by roller tappets makes this combination
Exchange/Return Notes
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