CHEVROLET EXHAUST EMISSION TUNE UP LABELS EMISSION YEAR MODEL AND USAGE CODE STANDARDS PART NO 1977 A29 37 80 B47 69 F X 250 AM Fed 460473 1977 All 250 DC Hi Alt 465822 1977 F X 250 AN Calif 460474 1977 A B 250 ZK Calif 465841 1977 A exc Sta Wag F X 305U AU Fed 460122 1977 B47 69 F X 305U AW Calif 460123 1977 H 305U LC Fed 460761 1977 H 305U DB Hi Alt 464627 1977 H 305 LD Calif 460762 1977 A B F X Y 350L AY Fed 460125 1977 A B F X Y 350L CB Hi Alt 460128 1977 A B F X Y 350L AZ Calif 460126 1977 Y 350X CA Fed 460127 1977 H 140 2 B C AH Fed 460470 1977 H 140 2 B C AK HiAlt 460472 1977 H 140 2 B C AJ Calif 460471 1977 T 1 4 AA 460117 1977 T 1 6 AB Fed 460118 1977 T 1 6 DH Hi Alt 466331 1977 T 1 6 DF Calif 466330 1978 A 200 CB 472881 1978 A B F X 305U CW Fed 472882 1978 A19 27 37 H 305U CY Hi Alt 472884 1978 A EI Camino B F X 350L DT Fed 472888 1978 A B F X 350L DZ Calif 472893 1978 A35 80 B F X 350L LM Hi Alt 476338 1978 A 231A XK Calif 476358 1978 AZ 231A XM Fed 476359 1978 B exc Sta Wag A F X 305U DN Calif 472885 1978 B47 69 F X 250 XT Calif 473425 1978 B47 69 250 exc Calif LJ Fed 473482 1978 F X 250 XS Fed 473412 1978 F 350L DX Alt 472891 1978 H 151V w A T M29 exc A C RA Calif 10002727 1978 H 151V w A T M29 A C RB Calif 10002728 1978 H 151V w M T M20 M75 exc A C RC Fed 10002729 1978 H 151V w M T M20 M75 A C RD Fed 10002730 1978 H 151V w A T M29 exc A C RF Fed 10002731 1978 H 151V w A T M29 A C RH Fed 10002732 1978 H07 27 HR 196 LW 476357 1978 H 231 A LU Alt 476356 1978 H 151Y w M20 M75 exc C60 LX Fed 14001904 1978 H 151Y w M20 M75 LY Fed 14001905 1978 H 151Y w M29 M75 exc C60 LZ Fed 14001906 1978 H 151Y w M20 M75 exc C60 XJ Fed 14001907 1978 HM15 77 231A exc NA6 NB2 NA Fed 1259981 1978 H 151 1 w M29 exc C60 TH Calif 10005730 1978 H 151 1 w M29 C60 TJ Calif 10005731 1978 H 305U CX Fed 472883 1978 H 305U DR Calif 472886 1978 H 151 1 w M T exc A C TM Calif 10005961 1978 H 151 1 w M T A C TN Calif 10005962 1978 T 1 6 DA Fed 466379 1978 T 1 6 LA Hi Alt 466380 1978 T 1 6 LB Calif 466381 1978 X 250 w Non Integral Head WX Fed 14007767 1978 Y 350L DU Fed 472889 1978 Y 350H DW 472890 1978 Y 350L DY Hi Alt 472892 1978 Y 350L WA Calif 472894 1979 AZ 203 BC Fed 1264990 1979 A 231 exc 35 80 BU Hi Alt 1264999 1979 A 200 w A T LC Fed 14006774 1979 A 267 Y7 Fed 14017733 WAREHOUSING AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION 89 L L 462