Chevrolet Performance ZZ427 Aluminum Oval-Port Cylinder Head w/ 110cc Chamber
Highlights
- Aluminum Head Casting
- Uses High-RPM Valve Springs
- Greater Power at Higher RPMs
- Ideal for Making Big HP
Chevrolet Performance ZZ427 Aluminum Oval-Port Cylinder Head with a 110cc Combustion Chamber.
Get the maximum performance out of your big-block Chevy with a ZZ427 cylinder head! With its high-RPM valve springs, it stretches the cylinder heads' performance range. As a result, it enables greater power at higher RPMs. Plus, Chevrolet Performance built them with an aluminum casting for lasting durability.
Features and Benefits:
- Built with an aluminum head casting
- Valvetrain's high-RPM springs stretch performance range
- Enables greater power at higher RPMs
- Offers ample flow to make big horsepower
Specifications:
- 110cc combustion chamber
- 2.25" intake and 1.88" exhaust valves
- 290cc intake and 110 exhaust ports
- 11/32" valve stem
Vehicle Fitment:
- 1960-1987 Chevy/GMC C10
- 1988-1998 Chevy/GMC C/K
- Compatible with big-block Chevy engines
Please Note: For use on pre-pollution controlled vehicles ONLY. Designed for pre-1976 street vehicles and off-road vehicles.
California Residents: Proposition 65 Warning
Related Categories: C10 Cylinder Heads, C10 Restomod Engine, C/K Engine, C/K Restomod
Only for use on pre-pollution controlled vehicles: This product can be used on vehicles that were manufactured before emissions control regulations were imposed. Pre-pollution vehicles are defined as:
- 1965 and older U.S. manufactured California certified vehicles
- 1967 and older U.S. manufactured federally certified vehicles
