35mm - 42mm intake port

35mm - 39mm exhaust port

45mm - 49mm intake valve

38mm - 41.5mm exhaust valve

Ev8 stainless 8mm lightweight intake valves

Inconel 8mm lightweight exhaust valves

Hardened ductile iron intake and exhaust valve seats

B5 copper exhaust valve seats (optional)

12mm or 14mm spark plugs

68 - 73 cc chamber volume

MFI (optional)