For those that want an iron head that delivers serous airflow we offer the iron stealth heads in a level 2 port configuration. This head delivers 280 cfm and is capable of supporting over 500 horsepower. Level 2 porting features CNC porting of the complete exhaust port the intake port about 2 inches in and the complete intake bowl and short turn. We also deshroud the combustion chamber, and do a blend of all the CNC work. We also enlarge the pushrod area for extra clearance.

One very important upgrade that we perform as standard practice is to install manganese bronze valve guides in place of the factory iron. This ensures longer guide life and we can run the guide clearance tighter to reduce oil getting past the valve stem. This is an important detail the our competition overlooks.

Features

• Stock location for headers, valvetrain, and front end accessories
• 2.02" stainless intake and 1.625" stainless exhaust valves
• valve spring 125# seat 315# open @ .575 lift max
• 8mm valve stems
• 180 cc intake runners and 72 cc exhaust runner
• 62cc combustion chamber
• Ductile iron exhaust seat to reduce cracking
• Manganese bronze valve guides
  
• Proprietary 5 angle valve job
• Proprietary custom intake valve