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Holley Performance 300-261 Single Plane Intake Manifold Kit

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Intake Manifold

Single Plane Intake Manifold Kit

Single Plane Intake Manifold Kit; Square Bore Carb Mounting Flange; 2500-7500 RPM; Front 4.18 in./Rear 5.28 in. Height; 1.92 in. H/1.20 in. Wi Port Size;


SPECIFICATIONS:
  • Barrel: Four
  • Construction: Cast
  • Cylinder Head Type: Standard
  • Emission: N/A
  • Engine Make/Size: fits Chevy Small Block V8
  • Finish: Satin
  • Front Height: 4.180 in.
  • Fuel System Type: Carb
  • Manifold Type: High Rise
  • Number of Carbs: One
  • Position: N/A
  • Rear Height: 5.280 in.
  • RPM Range: 2500-7500
  • Usage: Racing
  • WARNING CA Proposition 65: No

FEATURES:
  • Single Plane With Isolated Plenum
  • Square Bore Carburetor Mounting Flange
  • Isolated Water Cross-Over
  • Power Band 2500-7500 RPM

The new single plane intake manifold is designed to provide a broad RPM powerband for high-performance street/strip engine applications to a maximum engine speed of 7500 RPM. The carburetor-mounting pad is designed to accept all stock or aftermarket square-bore carburetors with manual or electric chokes. These intake manifolds are designed to accept most stock hardware and accessory brackets, but offer performance features; like an updated plenum divider area, a 1" shorter height than the 300-25 manifold, and a choice of two distributor clamp locations. The isolated design of the air/fuel passages helps to increase charge air density and performance. The 300-261 intake manifolds are designed for square-bore carburetor applications on 1957-86 262-400cid Small Block fits Chevrolet engines and SBC engines equipped with 1987-91 L98 aluminum fits Corvette cylinder heads (non-EGR applications). Also, these manifolds will work with any SBC engine equipped with aftermarket cylinder heads, as long as they have a standard port flange opening and mounting bolt locations.

Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors have powered every NASCAR Sprint Cup team and nearly every NHRA Pro-Stock champion for four decades. Now, Holley EFI is dominating the performance world as well as our products for fits GM's LS engine. Holley's products also include performance fuel pumps, intake manifolds & engine dress-up products for street performance, race and marine applications. As a single solution, or partnered with products from other Holley companies - Hooker Headers, Flowtech Exhaust, NOS Nitrous, Weiand, Earl's Performance Plumbing, or Diablosport - Holley products can give you the edge you need over the competition.

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