ProMaxx Performance Products | Shocker CNC | Small Block Chevy | Cylinder Head | 230cc | Hydraulic Flat Tappet
PN. 9451
The ProMaxx Performance Products Shocker CNC Series represents the pinnacle of performance cylinder head engineering. Professionally designed runners and chambers are meticulously CNC ported in the USA, offering elite performance at prices the competition can't match.
Features & Benefits
- Full CNC ported runners and combustion chambers machined in the USA
- 230cc intake runners for maximum high-RPM airflow
- Professionally designed port geometry for optimal velocity and volume
- 5-angle competition valve job
- Diamond honed Manganese Bronze valve guides
- Hardened steel valve seats
- Spring package compatible with Hydraulic Flat Tappet camshafts
- Viton valve seals
- Ready to bolt on and make power no additional porting required
Technical Specifications
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Combustion Chamber: 64cc
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Intake Runner: 230cc
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Intake Valve: 2.02"
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Exhaust Valve: 1.60"
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Plug Type: Straight Plug
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Valve Guide: Manganese Bronze
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Valve Job: 5-Angle CNC
Sold in pairs. Part number 9451. Compatible with Small Block Chevy applications. Please verify fitment before ordering.