Holley EFI Intake Manifold 4500 Flange Oval Port Head Big Block V8 Chevy

Make the transition to EFI within your Big Block V8 Chevy seamless with this intake manifold (300-562). Courtesy of Holley, this manifold is built with a 4500 carb mounting flange and serves as the ideal complement to oval port heads. On top of using a 3000 to 7500 RPM power band, it’s dyno-proven to make more horsepower and torque than other manifolds. Add in the fact that it has an open plenum, single-plane design and it’s the perfect supplement to high performance engines.

Features and Benefits:
- Ideal for Converting High Performance BBC V8 to EFI
- Designed for Oval Port Heads
- 4500 Carburetor Mounting Flange
- 3000-7500 RPM Power Band
- Dyno-Proven to Make More Horsepower & Torque
- Open Plenum, Single-Plane Design
- Great for Hardcore Drag Racers
- Fuel Rails are Anodized & Laser-Etched
- Includes 2 Sets of Mounting Brackets
- Works with 1.48” or 2.56” O-Ring-to-O-Ring Injector Lengths
- Free of EGR Provisions

Since this intake manifold is great for hardcore drag racers, it’s excellent for NHRA Super Comp, Super Gas, and Street classes. Conversely, applications categorized as an IHRA Quick Rod, Super Rod, and Hot Rod also work like a charm. By including two sets of mounting brackets, it lets users pair it with 1.48” or 2.56” O-ring-to-O-ring injector lengths. Free of EGR provisions as well, the manifold is complete with anodized and laser-etched fuel rails.

Specifications:
- Oval Port Dimensions: 1.87” Tall x 1.60” Wide
- Front & Rear Height: 5.96”

Vehicle Fitment:
- 1960-1987 Chevy C10
- 1988-1998 Chevy/GMC C/K