Fitment: For 1980 Chevy cars, use #1904R 17066422 17066425 For 1981-86 Chevy/GMC trucks with electric choke, use #1904R or #1906R For 1901 Chevy 7026202 7026203 7026210 7027202 Description: -Auxiliary Venturi:7mm -Venturi(Choke tube):31.7mm -Main jet:190 -Air correction jets:190 -Idle jet:120 -Needle valve:3.3 -Part Number:17066422 17066425 17066432 17066493 17066553 17066556 17066563 17066605 17080228 17080274 17080282 17080284 17081282 17081283 17081284 17081285 17082280 17082281 17082282 17082283 17082284 17083282 17083283 17084284 17084285 17084288 17084289 17080202 17080204 17080207 . 1981-1986 1906R 1904R .
