Feature:
Manufacturer Part Number : 1901R,1901-GG ,305
Interchange Part Number : GM305 4 Barrels
For 1901R Rochester Quadrajet 4MV Carburetor
750 CFM
Vacuum Secondary
Divorced Choke
1966-73 327-454c.i. Calibration
Main Jet: 0.069, Metering Rods: Primary – 36B, Secondary – DR
Fitment:
1970-1972 V8 Chevy big block Mark IV 6.6L/402
1967-1973 V8 Chevy small block Gen I 5.7L/350
1966-1970 V8 Chevy big block Mark IV 6.5L/396 Street
1966-1969 V8 Chevy small block Gen I 5.4L/327 Street
1966-1969 V8 Chevy big block Mark IV 7.0L/427 Street
1970-1973 V8 Chevy big block Mark IV 7.4L/454
1970-1973 V8 Chevy small block Gen I 6.6L/400
GMC 1967-1968 V8 Chevy small block Gen I 5.4L/327
GMC 1968-1969 V8 Chevy big block Mark IV 6.5L/396
GMC 1969-1973 V8
Chevy small block Gen 5.7L/350
GMC 1970-1973 V8 Chevy big block Mark IV 7.4L/454
GMC 1971-1972 V8 Chevy big block Mark IV 6.6L/402
Cross Reference Guide For 1901R
1966-73 Chevy cars, use 1901R
7026202 7026203 7026210 7027202 7027203 7027212 7027213 7027218 7028207 7028208 7028209 7028210 7028211 7028212 7028216 7028217 7028218 7028219 7028229 7029200 7029201 7029202 7029203 7029204 7029214 7029215 7029223 7029224 7037203 7040200 7040201 7040204 7040205 7040206 7040221 7043200 7043201 7043208 7043216 7046902 7046904 7046906 7046907 7046984 7047116 7047132 7047304 7047315 7047316 7047320 17054696 17054699 17054705 17054917 17054923 17055036
1968-73 Chevy/GMC Trucks, use 1901R
7040007 7040021 7046904 7047207 7047303 7047305 7047306 7047307 7047316 7047319 17054236 17054709 17054961