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Holley Hi-Ram Lower Manifold - GM LS1/LS2/LS6-Black

Part # 300-226BK

  • Port Size – 2.49” Height x 1.21” Wide
  • Plenum Top Gasket Type – 3/32” Round O-ring Cord
  • Mounting Flange Gasket Type – Standard LS3 Molded O-Ring
  • Runner Length – 6.58”, As-Cast Runner Cross-Sectional Area – Tapered 4.25 in² to 2.53 in²

Description

• 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.

Specifications

Basic Operating RPM Range3500-8000
Carburetor Studs IncludedNo
CNC PortedNo
ColorBlack
ConstructionCast
Cylinder Head Port ShapeCathedral
Deck Height9.24 in
EGR PortNo
EngineGM LS1/LS2/LS6
Fuel Injectors IncludedNo
Fuel Rail(s) IncludedNo
Fuel System TypeCarb
Gasket Or Seal IncludedNo
Grade TypePerformance
Intake Port Gasket(s) IncludedNo
MaterialAluminum
Nitrous Bung(s) IncludedNo
Plenum FinishBlack
Removable RunnersNo
Removable Top/LidYes
Single Or Dual Plane TypeSingle Plane
Throttle Body Gasket IncludedNo
Throttle Body IncludedNo
Type of ComponentLower Manifold
UPC / GTIN00090127029923
WarrantyManufacturer's Limited 90 Day Warranty