• Holley Intake Manifolds 300-131BK Item Image
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Holley EFI

Holley Intake Manifold, Ls3, Street Sp, Carb - Black

Holley Intake Manifold, Ls3, Street Sp, Carb - Black

sku: 1D5G6 | mpn: 300-131BK
$634.80
$634.80
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Emissions

This is not an emissions item.
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Carbureted Single plane intake manifold. Fits all GM LS Gen III or IV engines equipped with LS3/L92 style rectangular port cylinder heads

Features:

  • 2500-7000 RPM power band
  • 4150 Square bore flange (accepts up to 1.75" diameter throttle bores)
  • 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

Specs :

Brand : Holley
Construction : Cast
Emission Code : 3
Engine : GM LS3/L92
Finish : Black
Front Height : 5.417 inch
Fuel System Type : Carb
Manifold Type : Single Plane
Product Type : Manifold
Rear Height : 5.417 inch
RPM Power Band : 2500-7000
Part Number : 300-131BK

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