Holley's Pro-Jection intake manifold is a high-rise dual-plane design with EGR provisions, built for Chevy small block V8 engines from 262-400 cubic inches, and compatible with later aluminum-head applications. It utilizes late model alternator and A/C bracket mounting provisions and comes with extra installation hardware, though it isn't intended as an OE replacement for 1987-and-later fuel-injected trucks.
Specifications:
- Basic Operating RPM Range: Idle-6,000
- Engine: Chevrolet Small Block Gen I
- Fuel System Type: EFI (Holley Pro-Jection)
- Manifold Type: Low Rise, Dual Plane
- Height: Front 3.91", Rear 5.40"
- Port Size: 1.89" height x 1.15" width
- Throttle Body Bore Diameter: 2"
- Finish: Natural
- Material: Aluminum
- Part Number: 300-49
Has vacuum taps off the manifold runners and uses late-model alternator and A/C bracket mounting provisions; extra installation hardware is included.
FAQ
What engines does the Holley 300-49 Pro-Jection intake fit?
Chevy small block V8 engines from 262-400 cubic inches, including 1987-and-later engines with aluminum heads.
Does the 300-49 have EGR provisions?
Yes, it includes EGR provisions for emissions-era small block applications.
Is the 300-49 an OE replacement for fuel-injected trucks?
No, it's not intended as an OE replacement for 1987-and-later fuel-injected trucks.
