Tech TipEMPI Big Valve Dual Port Cylinder Head - Single Hi-Rev Springs - Sold Each.
California Prop 65 Warning:
Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
- Additional Information
Empi's Big Valve heads are a quality upgrade head from your stock or modified-stock heads. This is an 040 head casting with larger valves. These heads are a great choice for higher performance stock or mild engine builds. They are a good candidate for DIY stage 1 porting as well.
Intake and exhaust valves are larger than stock, featuring 40mm Intake and 35mm Exhaust Stainless Steel valves and competition valve grind.
High performance Hi-Rev single springs with chromoly retainers and hardened keepers.
Uses 12mm 3/4" reach spark plugs - We recommend NGK DCPR8E (4339)
Cut for 85.5 & 87mm bore sizes. Added material for larger bore sizing and fly-cutting.
|Oversized Shipping Required||No|