Single Plane EFI LS Intake Manifold. Fits all GM LS Gen III engines equipped with LS7 cylinder heads-Black Finish 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 . Minimum carb flange height - fit in vehicles with minimum hood modifications. Cast aluminum construction - great manifold for centrifugal blower, turbocharged or NOS power adder applications. The manifold kit includes the fuel rails, mounting hardware, and o-ring cylinder head mounting flange gaskets.

Features:

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

Specs

Basic Operating RPM Range 2500-7000 R3
Brand Holley EFI
Carburetor Flange Square/4150
Carburetor Studs Included No
Category Intake Manifolds
Color Black
Construction Cast
EGR Port No
Emission Code 3
Engine GM LS7
Finish Black
Flange Style 4150 Square Bore
Front Height 5.417 inch
Front Maximum Height 5.417 IN
Fuel Injectors Included No
Fuel Rail(s) Included Yes
Fuel System Type EFI
Gasket Or Seal Included Yes
Grade Type Performance
Intake Port Gasket(s) Included No
Manifold Type Single Plane
Material Aluminum
Nitrous Bung(s) Included No
Plenum Finish Black
Product Type Intake Manifold
Rear Height 5.417 inch
Rear Maximum Height 5.417 IN
Recommended Use Forced Induction
Removable Runners No
RPM Power Band 2500-7000 RPM
Single Or Dual Plane Type Single Plane
Throttle Body Included No
Warranty Limited 90 Day
UPC 090127069677
Part Number 300-269BK
SKU 300-269BK
Barcode # 90127069677
Brand Holley EFI
Shipping Weight 7.3200kg
Shipping Width 0.190m
Shipping Height 0.380m
Shipping Length 0.510m

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