The Holley GM LS1/LS2/LS6 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 LS1/LS2/LS6 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 race, muscle car, marine, off-road, sandrails, pulling trucks, track, street-rod applications and more!
Features: - Base Plenum Top Mounting Flange Height – 8.42” to the lifter valley cover flange on engine block. - Total Height with 92/102mm EFI Plenum Top – 12.32” to the lifter valley cover flange on engine block. - Port Size – 2.49” Height x 1.21” Wide - Mounting Flange Gasket Type – Standard LS3 Molded O-Ring - Plenum Top Gasket Type – 3/32” Round O-ring Cord - Throttle Body Flange Location, with 92mm EFI Plenum Top : Height – 8.42” (from engine block lifter valley cover flange), Longitudinal Location – 3.84” (forward from engine block front flange), Angle – 25 deg. (down from vertical) - Runner Length – 6.58”, As-Cast Runner Cross-Sectional Area – Tapered 4.25 in² to 2.53 in²
Notes: - This is the black version. - This is the 92mm throttle body sized, single injector Hi-Ram manifold version. - Does NOT include throttle body, gaskets, sensors, fuel injectors, fuel lines and other accessories required to complete manifold installation.
- The front and rear height measurements listed in the Specs section are referencing the overall height with the top plate installed. Please see the diagrams in the product images for other dimensions.
GM LS1 / LS2 / LS6 engines
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