Started its life as a bone stock 660. Rode it like that until it needed a rebuild. Added a 686 bbk wiseco 11.1 piston Kibblewhite valves and dual springs. Stage 2 hot am hot cam chain full big gun evo r exhaust black box cdi stage 2 dyno jet kit. 165 and 170 mains. Ported at polished head. 14...