500 for set up, cylinders stud extenders , upp intakes 38-41 , v force reeds billit spacers, cool head with domes think one dome is messed up, and tha good piston.....tha other one broke a ring and i head tha when they renisile tha cylinders they can also fill in tha port work....
crank 100 has slack in one rod from what i have been told
and