its a 78 cutlas with a 30 over 1966 327 ported and polished heads manley race flow valves cran roller rockers victor jr intake 577 588 lift crower cam 800 holley carb 4000 tci converter with a chevy 12 bolt with 456 gears me and my twin nefues bilt this for there first car it has nos for win thay want to go a littel faster