Unleash the Power of Your Engine with the Holley SBC Hi-Ram!
Introducing the latest addition to the acclaimed Hi-Ram EFI intake manifold series, originally designed for the GM Gen IV LS3 engine. The Holley SBC Hi-Ram is engineered to elevate your vehicle’s performance to new heights.
The versatile fuel rail kits are compatible with both long and short type fuel injectors, ensuring flexibility and convenience. Experience the power and aesthetics of high-end billet and fabricated racing intake manifolds, all at the cost-effective price of cast aluminum.
The 300-951, a hood-height friendly Hi-Ram variant features a “front-feed” plenum and a forward-facing throttle body flange. This beast can handle up to a 95mm LS 4-bolt throttle body, including DBW throttle bodies. It’s the ultimate upgrade, replacing the popular Holley/Weiand Stealth-Ram intake manifold, renowned for boosting the performance of 1985-92 GM 5.7L TPI fuel-injected engines.
Perfectly designed to fit under the OE hood of Gen 1, 2, & 3 Camaros and Firebirds, the 300-951 is your ticket to transforming your ride into a high-performance machine!
Features:
The Small Block Chevy Hi-Ram manifold is available in either a traditional Hi-Ram 105mm plenum layout or with a hood-height friendly 95mm front-feed plenum layout
Is a hood-height friendly Hi-Ram variation and compatible with OE hoods for Gen 1, 2, & 3 Camaros and Firebirds. Should be compatible with most applications with a mild cowl induction hood
Designed for 1955-86 265-400 Gen 1 Chevy engines fitted with cylinder heads having a standard intake manifold flange configuration. Not designed for raised intake port, 18 degree, or L31 Vortec type cylinder heads.
Uses drive by wire or cable actuated GM Gen IV LS 4-bolt throttle bodies
MAP sensor port is for a GM Gen IV LS MAP sensor, manifold also has provisions for (1) 1/8 NPT, (1) 1/4 NPT, (1) 3/8 NPT fittings to the plenum
The coolant outlet is a standard Small Block Chevy thermostat housing flange and (1) 1/2 NPT and (2) 3/8 NPT coolant ports are provided.
Power Band: 1500-8000 RPM
Black anodized EFI fuel rails are machined for -8AN O-ring fittings and come included with these EFI Hi-Ram kits.
Plenum Top Gasket Type – 3/32” Round O-ring Cord
Cast 356-T6 Aluminum Construction, Natural, Satin As-Cast Aluminum Finish
Requires the use of early type GM or small cap MSD or Holley Distributors. Not compatible with HEI distributors
1.95” tall x 1.25” wide port flange openings, uses Mr. Gasket intake manifold gasket #5281
Throttle Cable Bracket is supplied in the kit
Fitment:
- 1955 Chevrolet Corvette
- 1956 Chevrolet Corvette
- 1957 Chevrolet Corvette
- 1958 Chevrolet Corvette
- 1959 Chevrolet Corvette
- 1960 Chevrolet Corvette
- 1961 Chevrolet Corvette
- 1962 Chevrolet Corvette
- 1963 Chevrolet Corvette
- 1964 Chevrolet Corvette
- 1965 Chevrolet Corvette
- 1966 Chevrolet Corvette
- 1967 Chevrolet Corvette
- 1968 Chevrolet Corvette
- 1969 Chevrolet Corvette
- 1970 Chevrolet Corvette
- 1971 Chevrolet Corvette
- 1972 Chevrolet Corvette
- 1973 Chevrolet Corvette
- 1974 Chevrolet Corvette
- 1975 Chevrolet Corvette
- 1976 Chevrolet Corvette
- 1977 Chevrolet Corvette
- 1978 Chevrolet Corvette
- 1979 Chevrolet Corvette
- 1980 Chevrolet Corvette
- 1981 Chevrolet Corvette
- 1982 Chevrolet Corvette
- 1984 Chevrolet Corvette
- 1985 Chevrolet Corvette
- 1986 Chevrolet Corvette
Details
CA Residents:
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov