All American X Core 23° SBC Racing Heads - Head Porter Version
Series P/N: 176-X-Core
- Cylinder Head Porter Core Model
- Intake and Exhaust Ports Core Size
- Chambers Core Sized
- No Push Rod Clearance (machine to fit)
- Spring Pockets Raised .100
The All-American X SBC Core is designed for professional head porters. Featuring a head porter site core with additional special machining, head porters are able to machine various sized ports with ease of mind.
The no push rod machining and .100 raised spring pockets allows for more flexibility for the larger ports. Seats and guides are included but not installed providing ease to the head porter.
Look to the All American X SBC Core for for your next CNC project!
Details
Series P/N: 176X-CORE SBC Head Specifications
| Material: | Aerospace Specification, A356 Aluminum Alloy (Primary Virgin Ingot) |
| Valve Angle: | 23° |
| Bore Spacing: | Standard 4.4 |
| Intake Port Volume: | Porter Core |
| Intake Port Flow: | N/A |
| Combustion Chamber: | N/A |
| Application: | For Professional Head Porters |
| Spring Pocket: | N/A |
| Exhaust Valve Diameter: | N/A |
| Intake Valve Diameter: | N/A |
| Valve Length: | N/A |
| Deck Thickness: | 1/2" |
| Spark Plugs: | Revised location to improve flame travel. .750 Reach, Gasketed (NGK R5671A-7 or colder) |
| Rocker System: | Stud Mount or Shaft System |
| Valve Seats: | Ductile Iron |
| Valve Guides: | Manganese Bronze |
| Valve Covers: | Standard or center bolt |
| Engine Size: | Head Porter |
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