SPE 6.7L Powerstroke Stage III Heads

SPE 6.7L Powerstroke Stage III Heads
Includes- Our stage 3 heads start with brand new ford raw castings.
SPE Stage 2 Valve Springs
SPE stage 3 Race port process includes changing exhaust port passages to a round port design adding a 30% gain in cfm over our stage 2. ( * This requires the use of our exhaust flanges and or our custom manifolds)
AFM Porting
Cryogenic Processed and ceramic coated Exhaust Valves
3 Angle Valve Job
Rockwell Testing of the Valves
Pressure testing
Hot Tanking
Manganflux
Sonic Testing
RA 10 Head Finishing
Blue Print Sheet

**Pricing is for using your heads. If you are in need of a set, please contact us for a price quote. **