Air Strike 12° Small Block Chevy Racing Cylinder Heads - Head Porter Version
Series P/N: 217-X-CORE
- Cylinder Head Porter Core
- Chambers, Intake and Exhaust Ports Core Size
- No Push Rod Clearance (Machine to fit)
- Valve Guides & Seats Not Machined
- 12 Degree Modified Valve Angle
- Up to 2.260" Intake & 1.650" Exhaust Valves
- Made in the U.S.A.
This Air Strike Cylinder Head is designed to allow Head Porters maximum material to work with and create their masterpiece. The Intake and Exhaust ports are both core sized, as is the chambers to give Porters lots of material to work with. The Valve Guides and Seats are not machined either, giving Porters maximum flexibility in head design. The Air Strike 12° Small Block Chevy head is for the standard bore spacing and features symmetrical ports, splayed valves and a very stable rocker bar platform.
Made from the same Aerospace A356 Alloy and casting technology that the U.S. military relies on, the Air Strike Cylinder Head is on point.
Finished heads are also available, see our PN 217 Air Strike Cylinder Heads
Additional Information
Series P/N: 217-X-CORE SBC Head Specifications
| Material: | Aerospace Specification, A356 Aluminum Alloy (Primary Virgin Ingot) |
| Valve Angle: | 12° valve angle |
| Intake Port Volume & Shape: | Oval port core |
| Combustion Chamber: | 64cc As Cast |
| Spring Pocket: | Maximum of 1.650 (no deeper) |
| Valve Diameter: | Intake 2.200"-2.260", Exhaust: up to 1.650" |
| Deck Thickness: | 1/2" |
| Spark Plugs: | Uses Gasketed 3/4" Reach Plugs such as NGK R5671-7 Series |
| Valve Seats: | Copper Alloy |
| Valve Guides: | No Valve Guides |
| Milling: | N/A |
| Valve Covers: | Air Strike or Fabricated |
| Engine Size: | 400 cid & larger |
| Application: | High Performance Drag Racing |
| Note: | This is a racing cylinder head that must be ported and finished. |
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