Holley LS Hi-Ram EFI Manifold-Black GM LS7 300-124BK
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Features:
- Runner Length Ð 6.29Ó, As-Cast Runner Cross-Sectional Area Ð Tapered 4.67in_ to 2.84 in_
- Throttle Body Flange Location, with 92/102mm EFI Plenum Top : Height Ð 8.42Ó (from engine block lifter valley cover flange), Longitudinal Location Ð 3.84Ó (forward from engine block front flange), Angle Ð 25 deg. (down from vertical)
- Plenum Top Gasket Type Ð 3/32Ó Round O-ring Cord
- Mounting Flange Gasket Type Ð Standard LS3 Molded O-Ring
- Port Size Ð 2.49Ó Height x 1.21Ó Wide
- Total Height with 92/102mm EFI Plenum Top Ð 12.32Ó to the lifter valley cover flange on engine block.
- Base Plenum Top Mounting Flange Height Ð 8.42Ó to the lifter valley cover flange on engine block.
About Holley EFI

Find standalone EFI for LS, Coyote, Hemi and more at Holley.com. From engine swapping to managing up to 4000 horsepower, we have a solution for every project!
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