GM 483677 Pontiac 455 Short Block, D-23-1971 Date, 2 Bolt Mains,

YC 325HP Code, C399674, 4.180 Bore, Align Honed, Decked, Magged, Balanced,

Hyperutectic Pistons, After Market I-Beam Rods, Factory Crank,

30CC Dish, 9.6-71CC, 8.5-87CC, 8.1-96CC,

Dyno Time Only Since Rebuild, Wiped Cam And Pulled Off,

Must be Disassembled And Touched Up Before Use!

GTO, Trans Am, Passenger,

Very Nice Condition, Guaranteed!