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Holley EFI

Holley EFI 300-137 - Single Plane EFI Intake - GM LS1/LS2/LS6

MSRP: $478.95
$395.99
( saved $82.96 )
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  • Holley EFI 300-137 - Single Plane EFI Intake - GM LS1/LS2/LS6
  • Holley EFI 300-137 - Single Plane EFI Intake - GM LS1/LS2/LS6
  • PLEASE NOTE: Pictures are repsentative of style, may be generic.
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SKU:
HOLEFI-300-137
UPC:
090127687758
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Holley EFI - 300-137

Holley Single Plane EFI Intake - GM LS1/LS2/LS6

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

  • 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

Basic Operating RPM Range: 2500-7000 RPM
Brand: Holley EFI
Carburetor Flange: Square/4150
Category: Intake Manifolds
Color: Silver
Construction: Cast
EGR Port: No
Emission Code: 3
Engine: GM LS1/LS2/LS6
Finish: Silver
Flange Style: 4150 Square Bore
Front Height: 5.417 inch
Front Maximum Height: 5.417 IN
Fuel System Type: EFI
Grade Type: Performance
Intake Port Gasket(s) Included: No
Manifold Type: Single Plane
Material: Aluminum
Nitrous Bung(s) Included: No
Plenum Finish: Natural
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
Warning: California Proposition 65
Warranty: Limited 90 Day