$$496.95Engine \ Intake Manifolds \ Carb Single Plain Manifolds300-228
HOL300-228
Holley 300-228 LS MODULAR "HI–RAM" CARBURETED MANIFOLD BASE ONLY
LS MODULAR 'HI–RAM' CARBURETED CARBURETED BASE ONLY (PLENUM-TOP-MOUNTING FABRICATION FLANGE AVAILABLE) - FOR LS7 PART #: 300-228   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. ...
HolleyHolley 300-228 LS MODULAR "HI–RAM" CARBURETED MANI

Holley

Holley 300-228 LS MODULAR "HI–RAM" CARBURETED MANIFOLD BASE ONLY

$496.95

Item #: HOL300-228

Mfg Part #: 300-228

UPC #: 090127681732

Applies To Continental U.S. orders only

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Specifications
General
Brand
Holley
Item #
HOL300-228
Mfg Part #
300-228
UPC
090127681732
Description

LS MODULAR "HI–RAM" CARBURETED CARBURETED BASE ONLY (PLENUM-TOP-MOUNTING FABRICATION FLANGE AVAILABLE) - FOR LS7 PART #: 300-228

 

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 race, muscle car, marine, off-road, sandrails, pulling trucks, track, street-rod applications and more!

 

  • The base is designed to be modular in configuration to accept a wide range of carbureted and EFI tops and to be attractive to builders and fabricators as the foundation for custom induction systems.
  • Runner length and the tapered cross-section designed to perform well for a wide range of engine configurations 
  • EFI fuel rails are machined for -8AN O-ring Fittings with passages large enough to accommodate high fuel flows and dampen pressure pulsations in the fuel system and come standard with EFI Hi-Ram kits.
  • Cast aluminum construction.
  • Intended for use on N/A or forced induction engines in the 6.0 to 7.0+ liter range, max power at 7000–8000+RPM.

 

Installation Notes
These parts should be used for the following applications: Racing/Performance/Street Rodder where hood restrictions are NOT a consideration.

 

Shipping Dimensions
L 20.750 in. x W 14.750 in. x H 10.000 in.
Weight 21.500 lb.

  • 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
  • Runner Length - 6.29", As-Cast Runner Cross-Sectional Area - Tapered 4.67" to 2.84"
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