Intake runner port volume: 185cc
Combustion chamber volume: 65cc
Chambers can be milled to 49cc
Intake valves: 2.02" diameter 6000 series Ferrea
Exhaust valves: 1.60" diameter 6000 series Ferrea
Springs: .600" lift 1.440" diameter 130 lbs @ 1.800"
Retainers/Locks: 7 degree chromoly
Hardened cups and Viton seals
Each set is flowed and flow sheets provided.
Completely assembled and ready to bolt on.