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Holley Dual Plane Carb Intake - LS1

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Your Price:
$303.95 (You save $13.20)
16.00 LBS
Calculated at checkout

Product Description

Holley LS1 Dual Plane Carb Intake (Cathedral Port)

Holley's carbureted dual plane high rise intake manifold for your dual purpose caombination. Fits all GM LS engines equipped with LS1/LS2/LS6 style cathedral port cylinder heads.
Bolting on a carburetor to your LS engine? This proven dual plane design intake manifold makes it perfect for low end torque, yet it still pulls all the way to 6,500 RPM with the correct peripherals! The O–ring cylinder head mounting flange gaskets provide a factory style seal and make installation a snap.


  • 1500-6500 RPM power band
  • 4150 Square bore flange
  • Optimized runner layout and constant cross sectional area
  • Broad torque curve, best vehicle performance from 1500-6500 RPM
  • Minimum flange height means it fits in vehicles with minimal hood modifications
  • Great for carbureted or throttle body EFI street applications
  • Cast aluminum construction design for light weight
  • Consistent wall thicknesses and improved casting quality
  • Height (front) - 5.07" to carb mounting flange
  • Height (rear) - 6.14" to carb mounting flange
  • Port size - 2.72" height x 1.00" wide
  • Mounting flange gasket type - "O-ring"
  • Includes Viton® O-rings




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