Home » Holley Single-Plane EFI Intake Manifold - Square Bore - Single Plane - GM LS-Series
Holley Single-Plane EFI Intake Manifold - Square Bore - Single Plane - GM LS-Series
Holley Single-Plane EFI Intake Manifold - Square Bore - Single Plane - GM LS-Series
Holley Single-Plane EFI Intake Manifold - Square Bore - Single Plane - GM LS-Series
Holley Single-Plane EFI Intake Manifold - Square Bore - Single Plane - GM LS-Series
Holley Single-Plane EFI Intake Manifold - Square Bore - Single Plane - GM LS-Series
Holley Single-Plane EFI Intake Manifold - Square Bore - Single Plane - GM LS-Series
Holley Single-Plane EFI Intake Manifold - Square Bore - Single Plane - GM LS-Series
Holley Single-Plane EFI Intake Manifold - Square Bore - Single Plane - GM LS-Series
Holley Single-Plane EFI Intake Manifold - Square Bore - Single Plane - GM LS-Series
Holley Single-Plane EFI Intake Manifold - Square Bore - Single Plane - GM LS-Series
Holley Single-Plane EFI Intake Manifold - Square Bore - Single Plane - GM LS-Series
Holley Single-Plane EFI Intake Manifold - Square Bore - Single Plane - GM LS-Series
Holley Single-Plane EFI Intake Manifold - Square Bore - Single Plane - GM LS-Series
Holley Single-Plane EFI Intake Manifold - Square Bore - Single Plane - GM LS-Series
Holley Single-Plane EFI Intake Manifold - Square Bore - Single Plane - GM LS-Series
Holley Single-Plane EFI Intake Manifold - Square Bore - Single Plane - GM LS-Series
Holley Single-Plane EFI Intake Manifold - Square Bore - Single Plane - GM LS-Series
Holley Single-Plane EFI Intake Manifold - Square Bore - Single Plane - GM LS-Series
Holley Single-Plane EFI Intake Manifold - Square Bore - Single Plane - GM LS-Series
Holley Single-Plane EFI Intake Manifold - Square Bore - Single Plane - GM LS-Series
Holley Single-Plane EFI Intake Manifold - Square Bore - Single Plane - GM LS-Series
Holley Single-Plane EFI Intake Manifold - Square Bore - Single Plane - GM LS-Series
Holley

Holley Single-Plane EFI Intake Manifold - Square Bore - Single Plane - GM LS-Series

In stock
SKU: HLY300-269
Intake Manifold, Single-Plane EFI, Square Bore, Single Plane, Rectangle Port, Aluminum, Natural, LS7, GM LS-Series, Kit
$475.36
Sale $562.95 $475.36
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PROP 65: These products may contain a chemical known to the state of California to cause cancer and birth defects or other reproductive harm

Includes fuel rails, mounting hardware, and O-ring cylinder head mounting flange gaskets. HOLLEY EFI, HOLLEY EFI,The included fuel rails are designed to accept Bosch Style EV-1 or GM OE LS7 fuel injectors.

  • 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

    • Product Description:

  • Intake Manifold
  • Single-Plane EFI
  • Square Bore
  • Single Plane
  • Aluminum
  • Natural
  • LS7
  • GM LS-Series
  • Kit
    • For over a century Holley has driven the cutting edge of fuel-system design. That work continues today through Holley’s market-leading EFI products as well as through Holley’s family of best-in-industry brands. Top brands like MSD, Flowmaster, Hurst, Accel, and many more make up the industry’s leading offering of enthusiast-driven products to deliver robust, complete performance solutions for builders, racers, and drivers. From propelling the LS-, Coyote-, and Gen 3 Hemi-swap trends, to continuously innovating late-model and vintage vehicle performance, Holley’s commitment to its customers and their cars is at the core of everything we do.