The specs are as foliows;
gross valve lift INTAKE EXHAUST PART 3 33-000-11 SN # l 0199-16
.600 .622 GRIND # FB 3316r 3317r
DURATION
TAPPET LIFT .006 287 .293
VALVE TIMING OPEN CLOSE
.050 INT 11 BTDC 45 ATDC
107.0 INTAKE CENTERLINE
DURATION @ .050 INTAKE EXHAUST
236 242
LOBE LIFT .3470 .3600
LOBE SEPARETION 112.0