45cc and smaller chamber
50º or 55º seats
This is a GM casting for mandated OEM classes. Comp Eliminator and Super Stock wedge classes that must run an OEM part number. The v615x can be custom built into any configuration. Many different options make this cylinder head fully universal on class requirements. Please call me to discuss options. Has made 2.65hp/cid in single four trim.
GM 615X 15º cylinder head can also be rolled to 12º. The 12º head includes angle milling and bolt hole correcting. There are many variations of this head so please call with requirements. Bare heads include guides and Beryllium seats.
Bare CNC w/Valve Job 15º- $4400
Bare CNC w/Valve Job 12º- $5000
Hand Finished- $500