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$299.99
Holley 300-137Mid-Rise EFI Intake Manifold Kit
Holley 300-137Mid-Rise EFI Intake Manifold Kit

Holley 300-137Mid-Rise EFI Intake Manifold Kit

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Holley 300-137Mid-Rise EFI Intake Manifold Kit
Holley 300-137Mid-Rise EFI Intake Manifold Kit
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Part # 425300137
$299.99
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  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.

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GTIN Code:
090127687758

Info

Single Plane Mid-Rise 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

Installation Instructions (PDF)

Some parts are not legal for use in California or other states with similar laws/regulations

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