Description: Auxiliary Venturi:7mm Venturi(Choke tube):31.7mm Main jet:190 Air correction jets:190 Idle jet:120 Needle valve:3.3 Application: Carburetor Fits For Chevy cars 1980 , use #1904R 17066422 17066425 17066432 17066493 17066553 17066556 17066563 17066605 17080202 17080204 17080207 17080228 17080274 17080282 17080284 17081282 17081283 17081284 17081285 17082280 17082281 17082282 17082283 17082284 17083282 17083283 17084284 17084285 17084288 17084289 .
