Holley EFI's multi-point fuel injection intake manifold for the big block Chevy is designed to fit oval-port heads with a 4500-style throttle body flange, converting a high-performance or racing engine from carburetion to fuel injection. Computer designed and dyno proven, it's built to add horsepower and torque over other EFI manifolds, and each package includes anodized, laser-etched fuel rails and two sets of mounting brackets.
Specifications:
- Engine: Chevy Big Block V8
- Port Style: Oval
- Flange: Dominator/4500
- Operating RPM Range: 3,000-7,500
- Construction: Cast aluminum, natural finish
- Height: Front 5.96", Rear 5.96"
- Design: Open plenum/single plane, no EGR provisions
- Port Dimensions: 1.87" H x 1.60" W
- Includes: Fuel rails and mounting brackets (1.48" or 2.56" O-ring to O-ring injector lengths)
- Part Number: 300-562
Built for hard-core drag racers running NHRA Super Comp, Super Gas, and Street classes, as well as IHRA Quick Rod, Super Rod, and Hot Rod categories.
FAQ
What engine is the 300-562 manifold designed for?
Chevy Big Block V8 engines (396, 402, 427, 454, 502) with oval-port heads.
What throttle body flange does it use?
A Holley Dominator/4500-style flange.
What RPM range is it built for?
3,000-7,500 RPM.
What's included with the manifold?
Anodized, laser-etched fuel rails and two sets of mounting brackets for different injector lengths.
