- Power band: 2500-7500 RPM
- Square Bore Carburetor Mounting Flange
- Isolated Water cross-over
- Port Size: 1.92” height 1.20" width
- Height: Front 4.18", Rear 5.28"
- Single Plane with Isolated Plenum
Description
The 300-261 intake manifolds are designed for square-bore carburetor applications on 1957-86 262-400cid Small Block Chevrolet engines and SBC engines equipped with 1987-91 L98 aluminum Corvette cylinder heads (non-EGR applications). Also, these manifolds will work with any SBC engine equipped with aftermarket cylinder heads, as long as they have a standard port flange opening and mounting bolt locations.
Specifications
| Barrels | 4 |
|---|---|
| Basic Operating RPM Range | 2500-7500 |
| Carburetor Flange | 4150 Square Bore |
| Carburetor Quantity | 1 |
| Carburetor Studs Included | No |
| CNC Ported | No |
| Color | Natural |
| Construction | Cast |
| Cylinder Head Port Shape | Rectangle |
| Deck Height | 9.025 in |
| EGR Port | No |
| Engine | Chevrolet Small Block - 87+ Aluminum Heads |
| Flange Style | 4150 Square Bore |
| Front Maximum Height | 4.18 in |
| Fuel Injectors Included | No |
| Fuel Rail(s) Included | No |
| Fuel System Type | Carb |
| Gasket Or Seal Included | No |
| Grade Type | Performance |
| Intake Port Gasket(s) Included | No |
| Manifold Type | High Rise |
| Material | Aluminum |
| Nitrous Bung(s) Included | No |
| Plenum Finish | Natural |
| Rear Maximum Height | 5.28 in |
| UPC / GTIN | 00090127052136 |
| Warranty | Manufacturer's Limited 90 Day Warranty |