.

190 cc intake runner
hydraulic roller camshaft
1.437 dual spring .675 max lift
64 cc combustion chamber
2.020 stainless intake valve
1.600 stainless exhaust valves
Manley 3/8 rocker studs
Manley 5/16 guide plates
Comp Cams 10 degree Super locks
Herbert valve springs
Herbert Chrome Moly 10 degree retainers

190cc head flow numbers

.400 lift 222/165

.500 lift 253/180

.600 lift 279/181

.700 lift 287/182