HOLLEY SINGLE PLANE EFI 4150 INTAKE LS1 LS2 LS6

$332.95 $299.95

Brand HOLLEY
SKU: 300-137

Single Plane EFI LS Intake Manifold. All GM LS Gen III or IV engines equipped with LS1/LS2/LS6 style cathedral port cylinder heads.

PART# 300-137

Single Plane EFI LS Intake Manifold. All GM LS Gen III or IV engines equipped with LS1/LS2/LS6 style cathedral port cylinder heads.

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 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
  • Port size - 2.50" height x 1.15" wide
  • Includes Viton® O-ring intake to cylinder head gaskets - Viton® is a registered trademark of DuPont Performance Elastomers
  • Kit does not work with factory fuel rails and requires the use of Holley Fuel Rail Kit P/N 534-219
 
Brand Holley EFI
Construction Cast
Emission Code 3
Engine GM LS1/LS2/LS6
Finish Satin
Flange Style 4150 Square Bore
Front Height 5.417 inch
Fuel System Type EFI
Manifold Type Single Plane
Product Type Manifold
Rear Height 5.417 inch
RPM Power Band 2500-7000
Part Number 300-137

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