HOLLEY LS HI-RAM EFI MANIFOLD GM LS1/LS2/LS6 300-123Holley EFI LS Hi Ram intake manifolds are designed for your high performance race engine. Big cube and high rev applications without height limitations are the intent for these manifolds. The modular design of these Holley Hi Ram intake manifolds offers a runner length and as cast tapered cross section design that works for a wide range of engine configurations. The included fuel rails are machined for 8 AN O ring fittings with passages large enough

Plenum Finish: Grey

or progressive nitrous control

The DB-Blue or DB-Red Gauge Kit comes complete with the patented award-winning LC-1 Wideband Controller

Sharp bends cause nitrous flow to become turbulent which causes gaseous bubbles to form in the nitrous flow

Oil Control Tank

Cylinder Head Bolts

These 3/8" pushrods are available in many lengths

and feature polished stainless steel construction

without tip

Made in the USA and CAD modelled with extensive use of Computational Fluid Dynamics

Starting in 2005

• An internal Nickel Chromium Alloy valve