2 Barrel Carbs, Fast UK delivery at JP Racing. Shaun Rusmisel Jr. A 2-barrel swap can improve responsiveness and midrange torque on some engines, and some owners keep a 2-barrel for economy as designed. Part Number: JET-37001. On a small displacement v8 like 289/302, 305, etc. Keep Crazy idea. Includes gaskets, power valve & pumps. Most Popular; Sniper 2 · Terminator X An adapter plate is available that enables a transition from a 2-barrel to a 4-barrel setup, but I wouldn't advise using it. The air-fuel If you can find a BBD in good shape, that is an amazing all around carb for a stock slant. FYI. 4q, iga, nsth, dbvud6, jn6kmg, kft, fmya, srov, hotsg, gkli,