Small block Chevy Hi-Ram intake manifold with 105mm LS throttle body flange plenum top
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.
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.
- Black anodized EFI fuel rails are machined for -8AN O-ring fittings and come included with the EFI Hi-Ram kits.
- 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
- Power Band: 1500-8000 RPM
- Uses drive by wire or cable actuated GM Gen IV LS 4-bolt throttle bodies
- Plenum Top Gasket Type – 3/32” Round O-ring Cord
- Cast 356-T6 Aluminum Construction, Natural, Satin As-Cast Aluminum Finish
- 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
- 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.
- 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.
- 1.95” tall x 1.25” wide port flange openings, uses Mr. Gasket intake manifold gasket #5281
- Cost-effective alternative to fabricated sheet-metal or billet manifolds for high-performance applications where induction system height is not limited
- Requires the use of early type GM or small cap MSD or Holley Distributors. Not compatible with HEI distributors
- Throttle Cable Bracket is supplied in the kit
| Attributes | |
| Basic Operating RPM Range | 1500-8000, 5000-8500 |
| Brand | Holley, Holley |
| Carburetor Flange | N/A |
| Carburetor Quantity | N/A |
| Carburetor Studs Included | N/A |
| Category | Engine, Engine |
| CNC Ported | No |
| Color | Natural, Natural |
| Construction | Cast, Cast |
| Country of Origin (Primary) | CN |
| Cylinder Head Port Shape | Rectangle |
| Deck Height | 9.025 |
| EGR Port | No, No |
| Emission Code | 4, 4, Off Road |
| Engine | Chevrolet Small Block Gen I, Chevrolet Small Block Gen I |
| Finish | Natural |
| Flange Style | N/A |
| Front Maximum Height | 12.023, 12.023 |
| Fuel Injectors Included | No, No |
| Fuel System Type | EFI, EFI |
| Gasket Or Seal Included | Yes, Yes |
| Grade Type | Performance, Performance |
| Harmonized Tariff Code (Schedule B) | 8409915085 |
| Hazardous Material Code | N |
| Intake Runner Length | 6.35, 6.35 |
| Life Cycle Status Code | Available to Order |
| Manifold Type | Hi-Ram, Hi-Ram |
| Material | Aluminum, Aluminum |
| part type | Engine Intake Manifold, Engine Intake Manifold |
| Plenum Finish | Natural, Natural |
| Plenum Volume | 528, 528 |
| Port Size | 1.95 x 1.25, 1.95 x 1.25 |
| Product Type | Intake Manifold, Intake Manifold |
| Rear Maximum Height | 10.69, 10.69 |
| RPM Power Band | 3500-8000 RPM, 1500-8000 |
| SDR Required Flag | N |
| Single Or Dual Plane Type | Single Plane, Single Plane |
| Sub Category | Cylinder Block Components, Cylinder Block Components |
| Throttle Body Bore Diameter | 105 |
| Throttle Body Gasket Included | Yes |
| Throttle Bore | 105, 105 |
| Vacuum Ports | Yes |
| Warning | California Proposition 65, California Proposition 65 |
| Warranty | Limited 90 Day, Manufacturer's Limited 90 Day Warranty |
| GTIN | 00090127857403 |