Fresh 502 has gen 4 Bow Tie block, forged GM crank, JE forgrd pistons on Big bolt rods. Canfield alum heads with roller rockers and stud girdles, heads have studs. Solid roller cam Isky 650 lift with roller lifters.
Has jet boat oil pan that goes with it.
This block is a Bow Tie block not a gen 5 or 6 sportsman block.