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Holley Single Plane EFI Intake - GM LS7

Part # 300-269

  • Cast aluminum construction - great manifold for centrifugal blower, turbocharged or NOS mild power adder applications
  • Port size - 2.33" height x 1.27" wide
  • Optimized runner layout and constant cross sectional area - broad torque curve, best vehicle performance from 2500-7000 RPM
  • Weight - 11.5 lbs.
  • Includes FKM o-ring intake to cylinder head gaskets
  • Height (front) - 5.417" to the lifter valley cover flange at the engine block front flange and bellhousing flange
  • 4150 Square bore flange
  • Minimum carb flange height - fit in vehicles with minimum hood modifications
  • 2500-7000 RPM power band
  • Efficient casting design - lightweight, consistent wall thicknesses, improved casting quality

Description

Designed with a 4150 Square bore flange. Optimized runner layout and constant cross sectional area - broad torque curve, best vehicle performance from 2500-7000 RPM

Specifications

Basic Operating RPM Range2500-7000
Carburetor FlangeSquare/4150
Carburetor Quantity1
Carburetor Studs IncludedNo
CNC PortedNo
ColorSilver
ConstructionCast
Cylinder Head Port ShapeRaised Rectangle
Deck Height9.24 in
EGR PortNo
EngineGM LS7
Flange Style4150 Square Bore
Front Maximum Height5.417 in
Fuel Injectors IncludedNo
Fuel Rail(s) IncludedYes
Fuel System TypeEFI
Gasket Or Seal IncludedYes
Grade TypePerformance
Intake Port Gasket(s) IncludedNo
Manifold TypeSingle Plane
MaterialAluminum
Nitrous Bung(s) IncludedNo
Plenum FinishNatural
Rear Maximum Height5.417 in
Recommended UseForced Induction
UPC / GTIN00090127069660
WarrantyManufacturer's Limited 90 Day Warranty