Holley 300-963 Hi-Ram EFI Intake Manifold BBC
Holley designed this 300-963 Hi-Ram EFI Intake Manifold for 396-502 Mark IV, Gen V and Gen VI Big Block Chevy engines from 1965-2000 with standard 9.8 inch deck height along with standard intake flange rectangular-port cylinder heads.
The top-feed plenum accepts up to a 105mm Gen IV LS 4-bolt throttle body including Drive By Wire throttle bodies. The coolant outlet is a standard Chevy thermostat housing flange, and two 1/2 NPT and one 3/8 NPT coolant ports are provided also.
The MAP sensor port accepts a GM Gen IV LS MAP sensor, and this manifold also has provisions for (1) 1/8 NPT, (1) 1/4 NPT, (1) 3/8 NPT fittings to the plenum. The included Black anodized EFI fuel rails are machined for -10AN O-ring fittings, and the Plenum Top Gasket Type is 3/32” Round O-ring Cord.
Holley 300-963 Hi-Ram EFI Intake Manifold Features:
- Fits: 396-502 Mark IV, Gen V and Gen VI Big Block Chevy engines from 1965-2000
- Style: Single Plane
- RPM Range: 1500-8000
- Throttle Body Bore Diameter: 105 mm
- Port Size: 2.40 x 1.60 in.
- Deck Height : 9.8 in.
- Multi-Port Fuel Rails Included: Yes
- Throttle Cable Bracket Included: Yes
- Injectors Included: No
- Throttle Body Included: No
- EGR Port: No
- Material: Aluminum
- Finish: Natural
- Quantity: Sold Individually
Notes: Requires the use of either early type GM or small cap MSD or Holley Distributors. Not compatible with HEI distributors.
Emissions:
This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles, including:
- 1965 and older U.S. manufactured California Certified vehicles
- 1967 and older U.S. manufactured California Certified vehicles
- 1967 and older Foreign manufactured vehicle
WARNING: It is against the law to install this part on an Emissions Controlled Vehicle
The following vehicles are considered Emissions Controlled Vehicles:
- 1966 and newer U.S. manufactured California Certified vehicles
- 1968 and newer U.S. manufactured California Certified vehicles
- 1968 and newer Foreign manufactured vehicle
Holley Performance Products has been the undisputed leader in fuel systems for over 100 years. Holley's products include carburetors, fuel pumps, fuel injection, as well as intake manifolds and much more. From start to finish, Holley has the parts to make your dream a reality!
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Holley 300-963 Hi-Ram EFI Intake Manifold BBC
Holley designed this 300-963 Hi-Ram EFI Intake Manifold for 396-502 Mark IV, Gen V and Gen VI Big Block Chevy engines from 1965-2000 with standard 9.8 inch deck height along with standard intake flange rectangular-port cylinder heads.
The top-feed plenum accepts up to a 105mm Gen IV LS 4-bolt throttle body including Drive By Wire throttle bodies. The coolant outlet is a standard Chevy thermostat housing flange, and two 1/2 NPT and one 3/8 NPT coolant ports are provided also.
The MAP sensor port accepts a GM Gen IV LS MAP sensor, and this manifold also has provisions for (1) 1/8 NPT, (1) 1/4 NPT, (1) 3/8 NPT fittings to the plenum. The included Black anodized EFI fuel rails are machined for -10AN O-ring fittings, and the Plenum Top Gasket Type is 3/32” Round O-ring Cord.
Holley 300-963 Hi-Ram EFI Intake Manifold Features:
- Fits: 396-502 Mark IV, Gen V and Gen VI Big Block Chevy engines from 1965-2000
- Style: Single Plane
- RPM Range: 1500-8000
- Throttle Body Bore Diameter: 105 mm
- Port Size: 2.40 x 1.60 in.
- Deck Height : 9.8 in.
- Multi-Port Fuel Rails Included: Yes
- Throttle Cable Bracket Included: Yes
- Injectors Included: No
- Throttle Body Included: No
- EGR Port: No
- Material: Aluminum
- Finish: Natural
- Quantity: Sold Individually
Notes: Requires the use of either early type GM or small cap MSD or Holley Distributors. Not compatible with HEI distributors.
Emissions:
This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles, including:
- 1965 and older U.S. manufactured California Certified vehicles
- 1967 and older U.S. manufactured California Certified vehicles
- 1967 and older Foreign manufactured vehicle
WARNING: It is against the law to install this part on an Emissions Controlled Vehicle
The following vehicles are considered Emissions Controlled Vehicles:
- 1966 and newer U.S. manufactured California Certified vehicles
- 1968 and newer U.S. manufactured California Certified vehicles
- 1968 and newer Foreign manufactured vehicle
Holley Performance Products has been the undisputed leader in fuel systems for over 100 years. Holley's products include carburetors, fuel pumps, fuel injection, as well as intake manifolds and much more. From start to finish, Holley has the parts to make your dream a reality!
Product Information
Product Information
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Shipping & Returns
Description
Holley designed this 300-963 Hi-Ram EFI Intake Manifold for 396-502 Mark IV, Gen V and Gen VI Big Block Chevy engines from 1965-2000 with standard 9.8 inch deck height along with standard intake flange rectangular-port cylinder heads.
The top-feed plenum accepts up to a 105mm Gen IV LS 4-bolt throttle body including Drive By Wire throttle bodies. The coolant outlet is a standard Chevy thermostat housing flange, and two 1/2 NPT and one 3/8 NPT coolant ports are provided also.
The MAP sensor port accepts a GM Gen IV LS MAP sensor, and this manifold also has provisions for (1) 1/8 NPT, (1) 1/4 NPT, (1) 3/8 NPT fittings to the plenum. The included Black anodized EFI fuel rails are machined for -10AN O-ring fittings, and the Plenum Top Gasket Type is 3/32” Round O-ring Cord.
Holley 300-963 Hi-Ram EFI Intake Manifold Features:
- Fits: 396-502 Mark IV, Gen V and Gen VI Big Block Chevy engines from 1965-2000
- Style: Single Plane
- RPM Range: 1500-8000
- Throttle Body Bore Diameter: 105 mm
- Port Size: 2.40 x 1.60 in.
- Deck Height : 9.8 in.
- Multi-Port Fuel Rails Included: Yes
- Throttle Cable Bracket Included: Yes
- Injectors Included: No
- Throttle Body Included: No
- EGR Port: No
- Material: Aluminum
- Finish: Natural
- Quantity: Sold Individually
Notes: Requires the use of either early type GM or small cap MSD or Holley Distributors. Not compatible with HEI distributors.
Emissions:
This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles, including:
- 1965 and older U.S. manufactured California Certified vehicles
- 1967 and older U.S. manufactured California Certified vehicles
- 1967 and older Foreign manufactured vehicle
WARNING: It is against the law to install this part on an Emissions Controlled Vehicle
The following vehicles are considered Emissions Controlled Vehicles:
- 1966 and newer U.S. manufactured California Certified vehicles
- 1968 and newer U.S. manufactured California Certified vehicles
- 1968 and newer Foreign manufactured vehicle
Holley Performance Products has been the undisputed leader in fuel systems for over 100 years. Holley's products include carburetors, fuel pumps, fuel injection, as well as intake manifolds and much more. From start to finish, Holley has the parts to make your dream a reality!
