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WARNING: These auto parts can expose you to chemicals including phthalates and lead. Installing or using these parts can expose you to other parts containing these chemicals and to engine exhaust, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
18° Aluminum Cylinder Head
$677.04
V-6 90? CYLINDER HEADS
- Low-port 18° aluminum cylinder head for maximum-effort competition engines
- Offers significant improvements over conventional head designs with 18° valve angles (vs. older 23° angles) and 43cc combustion chambers
- Spark plug holes are centrally located and valve centerlines are relocated
- Exhaust ports are high-flow
- Head face has an extra 0.080″ of material for 9.1:1 compression, and up to 2.200″ intake valves can be used
- Shallow wedge-shaped combustion chambers allow builders to achieve high compression ratios with small piston domes
- Heads do not include valve seats or guides
- Aftermarket shaft-mounted rocker arm assemblies and pushrods are required
- Piston domes and valve pockets must be matched to the revised combustion chamber design
18° Aluminum Cylinder Head
V-6 90° Cylinder Head Quick Reference Chart
Description: 18° V-6
Casting Number: 12480009
Material: Aluminum
Port Size: 215
Port Type: Raised
Valve Spring; 18°
Chamber CC’s; 43
Int Vlv: 2.150″
Exh Vlv: 1.620″
Plug Type: Angled
Heat Riser: No
Rocker Stud: Shaft
Notes: No seats/guides
V-6 90? CYLINDER HEADS
- Low-port 18° aluminum cylinder head for maximum-effort competition engines
- Offers significant improvements over conventional head designs with 18° valve angles (vs. older 23° angles) and 43cc combustion chambers
- Spark plug holes are centrally located and valve centerlines are relocated
- Exhaust ports are high-flow
- Head face has an extra 0.080″ of material for 9.1:1 compression, and up to 2.200″ intake valves can be used
- Shallow wedge-shaped combustion chambers allow builders to achieve high compression ratios with small piston domes
- Heads do not include valve seats or guides
- Aftermarket shaft-mounted rocker arm assemblies and pushrods are required
- Piston domes and valve pockets must be matched to the revised combustion chamber design
18° Aluminum Cylinder Head
V-6 90° Cylinder Head Quick Reference Chart
Description: 18° V-6
Casting Number: 12480009
Material: Aluminum
Port Size: 215
Port Type: Raised
Valve Spring; 18°
Chamber CC’s; 43
Int Vlv: 2.150″
Exh Vlv: 1.620″
Plug Type: Angled
Heat Riser: No
Rocker Stud: Shaft
Notes: No seats/guides
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WARNING: These auto parts can expose you to chemicals including phthalates and lead. Installing or using these parts can expose you to other parts containing these chemicals and to engine exhaust, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
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