PIE SuperTune Big Block MOPAR Cylinder Heads
ProMAXX Heads
CNC Ported
Get ProFlow from your ProMAXX heads with PIE
ProMAXX has built its reputation on delivering solid performance at low prices, something we can identify with here at PIE. So to help make their good thing better, we offer our signature level of performance porting for ProMaxx heads, which means thorough, in-house, R&D work, countless hours of development time and flow testing and quality-consistent, CNC machining, which all adds up to better performance at better prices.
Features
- Stock location for headers, valve train, 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
- 172 cc intake runners and 72 cc exhaust runner
- 62cc combustion chamber
- Ductile iron exhaust seat to reduce cracking
- Manganese bronze valve guides
