Holley Hi-Ram Lower Manifold - GM LS7- Black - 300-229BK 4-Door Power Drum Brakes

Power Drum Brakes

6 V8 2007 Chevrolet Silverado 1500 HD Classic 364/6 V8 2007 GMC Sierra 1500 HD Classic 364/6 V8 2011 - 2013 GMC Sierra 2500 HD WT 403/6

07" from front lifter valley cover to carb mounting flange

Allows for use of common OEM sensors as well as customer sensor calibration input

6L V8 1978 GMC C25 Suburban 400/6

Holley Hi-Ram Lower Manifold - GM LS7- Black - 300-229BK 4-Door Power Drum BrakesOverview: The Holley GM LS7 Modular Hi Ram Intake Manifold is introduced as a cost effective alternative to fabricated sheet metal for high performance applications where induction system height is not limited. Coupling this Hi Ram intake with the high flowing LS7 style cylinder heads has outstanding potential for N A and forced induction applications at a budget minded cost. Aggressive, bold, race bred styling will make bad intentions clear for drag