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HOLLEY SBC EFI Intake Manifld And Fuel Rail Kit

Original price was: £848.51.Current price is: £806.09. Inc. VAT

SKU: HOL300-260 Categories: , , Brand:

Description

Part Number: 300-260

Holley SBC 4150 Single Plane EFI Intake Manifold & Fuel Rail Kit

Engineered for high-performance Small Block Chevrolet V8 street and strip applications, delivering maximum airflow and precise fuel distribution from 2,500 to 7,500 RPM.

Key Features

  • ☑ High-flow single plane design with isolated plenum to increase charge air density and overall engine output.
  • ☑ Standard 4150 square bore throttle body mounting flange compatible with 4150-style throttle body EFI systems.
  • ☑ Low-profile casting design featuring a 1″ shorter height than standard single plane manifolds for enhanced bonnet clearance.
  • ☑ Back-cut fuel injector bores angled directly to align with runner airflow for optimum fuel atomisation.
  • ☑ Includes premium black-coated fuel rails with laser-etched Holley branding and custom mounting bracket assortment.
  • ☑ Dual distributor clamp mounting positions to accommodate custom ignition setups.

Technical Specifications


Brand Holley
Manufacturer Part Number 300-260
Engine Compatibility Small Block Chevy (SBC) V8 (262-400 ci, 1957–1986 & 1987–1991 L98 Corvette Heads)
Flange Style 4150 Square Bore Throttle Body
Manifold Type Single Plane High-Rise EFI
RPM Powerband 2,500 – 7,500 RPM
Material & Finish Cast Aluminium / Satin Finish
Manifold Height Front: 4.18″ | Rear: 5.28″
Port Dimensions 1.92″ Height x 1.20″ Width

What’s Included in the Box

  • 1 x Holley Single Plane 4150 EFI Intake Manifold (Satin Cast)
  • 2 x Anodised Black Fuel Rails with Laser-Etched Holley Logos
  • 1 x Fuel Rail Mounting Bracket & Hardware Assortment

Holley has been the undisputed leader in fuel systems for over a century, delivering world-class performance and proven dependability on the track and road. When you order your Holley performance components from JP Racing, you benefit from our dedicated UK motorsport technical expertise, rapid dispatch, and reliable UK stock holding.

Frequently Asked Questions

The Holley 300-260 intake manifold is designed for Small Block Chevrolet (SBC) V8 engines (262–400 ci) produced between 1957 and 1986, as well as 1987–1991 L98 aluminium Corvette cylinder heads (non-EGR). It is also compatible with aftermarket SBC cylinder heads featuring standard port flange openings and bolt locations.

No, fuel injectors are not included with the 300-260 intake kit. The package includes the satin cast intake manifold, black-coated fuel rails, and rail brackets. You will need to select fuel injectors sized appropriate to your engine's power output and EFI setup.

This manifold features a standard 4150 square-bore mounting flange. It is engineered to accept 4150-style throttle body EFI assemblies, such as Holley Universal 4150 throttle bodies, providing high airflow capacity for street and strip performance.

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