Assembled in house at Karl Performance.
Heads are available in 180cc, 200cc, 215cc, & 230cc runner size, and 64 & 72cc chambers.
Heads come standard with a .550" lift 1.26" Diam. valve spring.
Valve spring upgrades are available.
Dart Iron Eagle Platinum Heads feature the following-
-Standard 23 degree valve angle allows use of off the shelf pistons and valve train components.
-Standard port location and intake bolt pattern fit most manifolds.
-Pushrod holes are enlarged for clearance with high ratio rocker arms.
-5-axis CNC bowl blended for optimal flow characteristics.
-Heart shaped chambers improve combustion efficiency and fit most standard pistons.
-Multi-angle intake seats and radiused exhaust seats dramatically increase airflow.
-Hardened exhaust seats are compatible with unleaded gasoline.
-Manganese bronze intake valve guides and phosphorous bronze exhaust valve guides extend cylinder head life.
-Spark plug holes are machined for tapered seat 5/8" hex "peanut" spark plugs.
-Dual bolt pattern accepts flange mount and center bolt valve covers.