CHEVROLET TRUCK EXHAUST EMISSION TUNE UP LABELS EMISSION YEAR MODEL AND USAGE CODE STANDARDS PART NO 1977 C1 Cab w Catalytic Conv 305 CK Fed 460109 1977 C1 Cab w Catalytic Conv 350 exc High Altitude Emission CM Fed 460113 1977 C1 Cab w Catalytic Conv 350 CN Calif 460114 1977 C1 Cab 350 WS Hi Alt 460705 1977 C1 Cab w Catalytic Conv 250 exc High Altitude Emission CF Fed 460477 1977 C1 Cab w Catalytic Conv 250 CH Calif 460478 1977 C1 Cab w Catalytic Conv 250 DD Hi Alt 465824 1977 C1 cab 454 exc I c cz Fed 465926 1977 CKGP 1 2 3 Blazer exc Catalytic Conv CT Fed 460480 1977 CKGP 1 2 3 Blazer exc Catalytic Conv CU Calif 460481 1977 C314 Ryder Truck Pkg DJ 464635 1977 G1 w Catalytic Conv 305 CK Fed 460109 1977 G1 w Catalytic Conv 350 exc High Altitude Emission CM Fed 460113 1977 G1 w Catalytic Conv 350 exc High Altitude Emission CN Calif 460114 1977 G1 350 WS Hi Alt 460705 1977 G1 w Catalytic Conv 250 exc High Altitude Emission CF Fed 460477 1977 G1 w Catalytic 250 CH Calif 460478 1977 G1 w Catalytic Conv 250 DD Hi Alt 465824 1978 C1 03 305 exc Aux Tk WB 472895 1978 C1 03 305 w Aux Tk WC 472896 1978 C1 03 350 WD Fed 472897 1978 C1 03 350 w Aux Tk exc H D C WF Fed 472898 1978 C1 03 350 WH Hi Alt 472899 1978 C1 03 250 w Aux Tk exc H D C XW Fed 473406 1978 C1 2 03 250 exc Aux Tk XX Calif 473407 1978 C1 2 03 250 w Aux Tk XY Calif 473408 1978 C1 2 250 XZ 473409 1978 CKP3 350 400 ZD Calif 473413 1978 C1 03 454 w Aux Tk exc H D C ZH Fed 473415 1978 CG1 2 03 454 w Aux Tk ZM Calif 473417 1978 C2 03 454 w Aux Tk 4 Spd ZR Calif 473419 1978 C1 2 03 454 w H D C Aux Tk ZT Calif 473421 1978 CG1 250 exc H D C Aux Tk XU Fed 473426 1978 C1 03 454 exc H D C Aux Tk LN Fed 473499 1978 C1 2 454 exc H D C Aux Tk LR Calif 473500 1978 C1 2 03 350 w E62 E63 exc Aux Tk WK Calif 476301 1978 CK1 2 350 w Aux Tk WM Calif 476302 1978 CK1 2 03 350 exc A T XA Calif 476305 1978 CK1 2 03 exc Aux Tk A T XB Calif 476306 1978 CK1 2 03 350 w A T H D C XC Calif 476307 1978 CK1 2 03 350 w A T Aux Tk XD Calif 476308 1978 C1 03 Diesel HY Fed 561578 1978 C1 03 Diesel HZ Calif 561579 1978 C2 03 454 w 4 Spd LS Calif 14001901 1978 C1 2 03 454 LT Calif 14001902 1978 CG1 250 exc Aux Tk ZW Hi Alt 14001947 1978 G1 305 exc Aux Tk WB 472895 1978 G1 350 WD Fed 472897 1978 G1 350 WH Hi Alt 472899 1978 G1 2 3 250 exc Aux Tk XX Calif 473407 1978 G3 03 ZD Calif 473413 1978 G1 2 3 03 05 06 350 exc R05 WK Calif 476301 1978 GK1 2 3 400 exc Aux Tk R05 WN Calif 476303 1978 K1 2 03 350 w E62 E63 exc Aux Tk WK Calif 476301 1978 K1 2 400 w Aux Tk WR Calif 476304 1978 K1 2 03 400 exc Aux Tk XF Calif 476309 1978 K1 2 03 400 w Aux Tk XH Calif 476310 1978 P3 32 MHC HX Calif 561115 1978 P2 350 w E32 E33 WK Calif 476301 1978 P2 350 w M38 M40 exc E32 E33 LK Calif 476341 1979 CK1 2 03 250 w E56 E62 E63 Exc NL2 UT Fed 14007810 1979 CK1 06 16 250 UT Fed 14007810 1979 C1 2 03 250 w Aux Tk UU Fed 14007811 1979 C1 03 250 exc Aux Tk UW Calif 14007812 7 i WAREHOUSING AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION 89 TaA 576