Holley EFI introduces four innovative multi-point fuel injection intake manifolds tailored for the big block Chevy. Engineered to accommodate oval or rectangular port heads, these intakes come in 4150 or 4500 style throttle body options. An ideal choice for transitioning your high-performance or racing big block engine from carburetion to fuel injection, these computer-designed and dyno-proven manifolds deliver enhanced horsepower and torque compared to other EFI counterparts. Each manifold package includes anodized and laser-etched fuel rails, along with two sets of mounting brackets catering to 1.48" or 2.56" O-ring to O-ring injector lengths.
Features:
- Open plenum/single-plane design
- No EGR provisions
- 3000-7500 RPM power band
- 4500 carburetor mounting flange
- Includes fuel rails and mounting brackets
- Designed for today's larger cubic inch big block Chevy race engines
- Ideal for NHRA Super Comp, Super Gas, and Street classes, as well as IHRA Quick Rod, Super Rod, and Hot Rod categories
- Rectangle Port Dimensions: 2.28” High x 1.48” Wide
- Height: Front 5.96", Rear 5.96"
- Local Pickup Available:
- No
- Local Delivery Available:
- No
- Additional Handling:
- No
