HOLLEY HI-RAM - (LT1 PORT-105mm) SATIN 300-142HOLLEY HI RAM INTAKE MANIFOLD GM LT1 #300 142 WITHOUT PORT INJECTION Includes: Modular HiRam Intake Manifold #300 142 Description: The new Holley EFI Hi Ram intake provides the ultimate performance with the new GM direct injected Gen V 6. 2L LT1 engine. The modular design of this manifold allows easy disassembly for custom porting, multiple tops, or custom induction systems. Each runner has a large radius where it meets the plenum, and optimized taper

Part Number 112-581 Part Type Throttle Body Brand Holley Engine Type Gen III/Gen IV Throttle Body Size 105mm Style Drive-by-Cable Mount 4-Bolt

Inside Diameter of Outer Spring (in): 0

Overflowing of the breather onto the headers can cause a dangerous fire

5psi 90%DC Turbo 485

06 WHP on E85 at 43

LS Engines are notorious for spewing crank case engine oil into the intake manifold

The Pro-Flo XT LS3 EFI intake manifold is engineered with a large plenum and 6

prolonging clutch hydraulic system life

Matte Bronze Finish

Tuning is required

Designed specifically for GM 4

Oil Drain Std T6 drain Flange