| ALLIS-CHALMERS F W/292 CID ENGINES 1974-70 .025 Gap |
| ALLIS-CHALMERS G, L W/350 CID ENGINES 1974-72 .025 Gap |
| ALLIS-CHALMERS K W/250 CID ENGINES TAPERED SEAT HDS. 1974-70 .025 Gap |
| ALLIS-CHALMERS L W/350 CID ENGINES 1974-72 .025 Gap Gasoline |
| CHEVROLET ALL MODELS 1972-1973 .030 Gap |
| CHEVROLET B60 1980-1990 V8 5.7 .045″/1.1mm |
| CHEVROLET B60 1980 V8 6.0 .045″/1.1mm |
| CHEVROLET BLAZER 1972-1973 V8 5.0 .035 Gap 307cid |
| CHEVROLET BLAZER 1972-1974 V8 5.7 .025 Gap .035 Gap 350cid 350cid; GAS 350cid; LPG |
| CHEVROLET BLAZER 1973-1974 V8 7.4 .035 Gap 454cid |
| CHEVROLET C10 1975-1980 L6 4.8 .035 Gap .035 Gap; Heavy duty; Without high energy ignition .035″/0.9mm 292cid |
| CHEVROLET C10 1977-1978 V8 5.0 .045 Gap; Heavy duty 305cid |
| CHEVROLET C10 1975-1979 V8 5.7 .035 Gap; Heavy duty .035 Gap; Heavy duty; Without high energy ignition 350cid 350cid; GAS |
| CHEVROLET C10 1976-1980 V8 6.6 .045 Gap; Heavy duty .045″/1.1mm 400cid Heavy Duty |
| CHEVROLET C10 1975,1977-1980 V8 7.4 .035 Gap .045 Gap; Heavy duty .045″/1.1mm 454cid Heavy Duty |
| CHEVROLET C10 PICKUP 1972-1973 V8 5.0 .035 Gap 307cid |
| CHEVROLET C10 PICKUP 1972-1974 V8 5.7 .025 Gap .035 Gap 350cid; GAS 350cid; LPG |
| CHEVROLET C10 PICKUP 1970-1972 V8 6.6 .035 Gap 402cid |
| CHEVROLET C10 PICKUP 1973-1974 V8 7.4 .035 Gap 454cid |
| CHEVROLET C10 SUBURBAN 1972-1973,1977-1978 V8 5.0 .035 Gap .045 Gap; Heavy duty 305cid 307cid |
| CHEVROLET C10 SUBURBAN 1972-1979 V8 5.7 .025 Gap .035 Gap .035 Gap; Heavy duty .035 Gap; Heavy duty; Without high energy ignition 350cid 350cid; GAS 350cid; LPG |
| CHEVROLET C10 SUBURBAN 1970-1972 V8 6.6 .035 Gap 402cid |
| CHEVROLET C10 SUBURBAN 1973-1975,1977-1980 V8 7.4 .035 Gap .045 Gap; Heavy duty .045″/1.1mm 454cid Heavy Duty |
| CHEVROLET C20 1975-1986 L6 4.8 .035 Gap .035 Gap; Heavy duty; Without high energy ignition .035″/0.9mm 292cid |
| CHEVROLET C20 1977-1978 V8 5.0 .045 Gap; Heavy duty 305cid |
| CHEVROLET C20 1975-1979 V8 5.7 .035 Gap; Heavy duty .035 Gap; Heavy duty; Without high energy ignition 350cid |
| CHEVROLET C20 1976-1980 V8 6.6 .045 Gap; Heavy duty .045″/1.1mm 400cid Heavy Duty |
| CHEVROLET C20 1975,1977-1986 V8 7.4 .035 Gap .045 Gap; Heavy duty .045″/1.1mm 454cid Heavy Duty |
| CHEVROLET C20 PICKUP 1972-1973 V8 5.0 .035 Gap 307cid |
| CHEVROLET C20 PICKUP 1972-1974 V8 5.7 .025 Gap .035 Gap 350cid; GAS 350cid; LPG |
| CHEVROLET C20 PICKUP 1970-1972 V8 6.6 .035 Gap 402cid |
| CHEVROLET C20 PICKUP 1973-1974 V8 7.4 .035 Gap 454cid |
| CHEVROLET C20 SUBURBAN 1975-1982 L6 4.8 .035 Gap .035 Gap; Heavy duty; Without high energy ignition .035″/0.9mm 292cid |
| CHEVROLET C20 SUBURBAN 1972-1973,1977-1978 V8 5.0 .035 Gap .045 Gap; Heavy duty 305cid 307cid |
| CHEVROLET C20 SUBURBAN 1972-1979 V8 5.7 .025 Gap .035 Gap .035 Gap; Heavy duty .035 Gap; Heavy duty; Without high energy ignition 350cid 350cid; GAS 350cid; LPG |
| CHEVROLET C20 SUBURBAN 1970-1972,1976-1980 V8 6.6 .035 Gap .045 Gap; Heavy duty .045″/1.1mm 400cid 402cid Heavy Duty |
| CHEVROLET C20 SUBURBAN 1973-1975,1977-1986 V8 7.4 .035 Gap .045 Gap; Heavy duty .045″/1.1mm 454cid Heavy Duty |
| CHEVROLET C30 1975-1986 L6 4.8 .035 Gap .035 Gap; Heavy duty; Without high energy ignition .035″/0.9mm 292cid |
| CHEVROLET C30 1978 V8 5.0 .045 Gap; Heavy duty 305cid |
| CHEVROLET C30 1975-1979 V8 5.7 .035 Gap; Heavy duty .035 Gap; Heavy duty; Without high energy ignition 350cid 350cid; GAS |
| CHEVROLET C30 1976-1979 V8 6.6 .045 Gap; Heavy duty 400cid |
| CHEVROLET C30 1975,1977-1986 V8 7.4 .035 Gap .045 Gap; Heavy duty .045″/1.1mm 454cid Heavy Duty |
| CHEVROLET C30 PICKUP 1972-1973 V8 5.0 .035 Gap 307cid |
| CHEVROLET C30 PICKUP 1972-1974 V8 5.7 .025 Gap .035 Gap 350cid; GAS 350cid; LPG |
| CHEVROLET C30 PICKUP 1970-1972 V8 6.6 .035 Gap 402cid |
| CHEVROLET C30 PICKUP 1973-1974 V8 7.4 .035 Gap 454cid |
| CHEVROLET C50 1980-1986 L6 4.8 .035″/0.9mm |
| CHEVROLET C50 1980-1990 V8 5.7 .045″/1.1mm |
| CHEVROLET C60 1980-1986 L6 4.8 .035″/0.9mm |
| CHEVROLET C60 1980-1990 V8 5.7 .045″/1.1mm |
| CHEVROLET EL CAMINO 1972-1973,1978 V8 5.0 .035 Gap .045 Gap; Heavy duty 305cid 307cid |
| CHEVROLET EL CAMINO 1972-1974,1979 V8 5.7 .035 Gap .045 Gap; Heavy duty 350cid |
| CHEVROLET EL CAMINO 1970-1972,1974 V8 6.6 .035 Gap 400cid 402cid |
| CHEVROLET EL CAMINO 1972-1974 V8 7.4 .035 Gap 454cid |
| CHEVROLET G10 1977-1978 V8 5.0 .045 Gap; Heavy duty 305cid |
| CHEVROLET G10 1975-1979 V8 5.7 .035 Gap .045 Gap; Heavy duty 350cid |
| CHEVROLET G10 1976 V8 6.6 .045 Gap; Heavy duty 400cid |
| CHEVROLET G10 VAN 1972-1973 V8 5.0 .035 Gap 307cid |
| CHEVROLET G10 VAN 1972-1974 V8 5.7 .025 Gap .035 Gap 350cid 350cid; GAS 350cid; LPG |
| CHEVROLET G10 VAN 1973-1974 V8 7.4 .035 Gap 454cid |
| CHEVROLET G20 1975-1980 L6 4.8 .035 Gap .035 Gap; Heavy duty; Without high energy ignition .035″/0.9mm 292cid |
| CHEVROLET G20 1977-1978 V8 5.0 .045 Gap; Heavy duty 305cid |
| CHEVROLET G20 1975-1979 V8 5.7 .035 Gap .045 Gap; Heavy duty 350cid |
| CHEVROLET G20 1975-1980 V8 6.6 .035 Gap .045 Gap; Heavy duty .045″/1.1mm 400cid Heavy Duty |
| CHEVROLET G20 VAN 1972-1973 V8 5.0 .035 Gap 307cid |
| CHEVROLET G20 VAN 1972-1974 V8 5.7 .025 Gap .035 Gap 350cid; GAS 350cid; LPG |
| CHEVROLET G20 VAN 1973-1974 V8 7.4 .035 Gap 454cid |
| CHEVROLET G30 1975-1979 L6 4.8 .035 Gap .035 Gap; Heavy duty; Without high energy ignition 292cid |
| CHEVROLET G30 1978 V8 5.0 .045 Gap; Heavy duty 305cid |
| CHEVROLET G30 1975-1979 V8 5.7 .035 Gap .045 Gap; Heavy duty 350cid |
| CHEVROLET G30 1975-1980 V8 6.6 .035 Gap .045 Gap; Heavy duty .045″/1.1mm 400cid Heavy Duty |
| CHEVROLET G30 1975 V8 7.4 .035 Gap 454cid |
| CHEVROLET G30 VAN 1972-1974 V8 5.7 .035 Gap 350cid |
| CHEVROLET G30 VAN 1973-1974 V8 7.4 .035 Gap 454cid |
| CHEVROLET K10 1975-1976,1979-1980 L6 4.8 .035 Gap .035 Gap; Heavy duty; Without high energy ignition .035″/0.9mm 292cid |
| CHEVROLET K10 1977-1978 V8 5.0 .045 Gap; Heavy duty 305cid |
| CHEVROLET K10 1975-1979 V8 5.7 .035 Gap; Heavy duty .035 Gap; Heavy duty; Without high energy ignition 350cid |
| CHEVROLET K10 1975-1980 V8 6.6 .035 Gap .045 Gap; Heavy duty .045″/1.1mm 400cid Heavy Duty |
| CHEVROLET K10 1979-1980 V8 7.4 .045 Gap; Heavy duty .045″/1.1mm 454cid Heavy Duty |
| CHEVROLET K10 PICKUP 1972-1973 V8 5.0 .035 Gap 307cid |
| CHEVROLET K10 PICKUP 1972-1974 V8 5.7 .025 Gap .035 Gap 350cid; GAS 350cid; LPG |
| CHEVROLET K10 PICKUP 1970-1972 V8 6.6 .035 Gap 402cid |
| CHEVROLET K10 PICKUP 1973-1974 V8 7.4 .035 Gap 454cid |
| CHEVROLET K10 SUBURBAN 1972-1973,1977-1978 V8 5.0 .035 Gap .045 Gap; Heavy duty 305cid 307cid |
| CHEVROLET K10 SUBURBAN 1972-1979 V8 5.7 .025 Gap .035 Gap .035 Gap; Heavy duty .035 Gap; Heavy duty; Without high energy ignition 350cid 350cid; GAS 350cid; LPG |
| CHEVROLET K10 SUBURBAN 1970-1972,1975-1979 V8 6.6 .035 Gap .045 Gap; Heavy duty 400cid 402cid |
| CHEVROLET K10 SUBURBAN 1973-1974 V8 7.4 .035 Gap 454cid |
| CHEVROLET K20 1975-1986 L6 4.8 .035 Gap .035 Gap; Heavy duty; Without high energy ignition .035″/0.9mm 292cid |
| CHEVROLET K20 1977-1978 V8 5.0 .045 Gap; Heavy duty 305cid |
| CHEVROLET K20 1975-1979 V8 5.7 .035 Gap; Heavy duty .035 Gap; Heavy duty; Without high energy ignition 350cid |
| CHEVROLET K20 1975-1980 V8 6.6 .035 Gap .045 Gap; Heavy duty .045″/1.1mm 400cid Heavy Duty |
| CHEVROLET K20 1977-1978,1980 V8 7.4 .045 Gap; Heavy duty .045″/1.1mm 454cid Heavy Duty |
| CHEVROLET K20 PICKUP 1972-1973 V8 5.0 .035 Gap 307cid |
| CHEVROLET K20 PICKUP 1972-1974 V8 5.7 .025 Gap .035 Gap 350cid; GAS 350cid; LPG |
| CHEVROLET K20 PICKUP 1970-1972 V8 6.6 .035 Gap 402cid |
| CHEVROLET K20 PICKUP 1973-1974 V8 7.4 .035 Gap 454cid |
| CHEVROLET K20 SUBURBAN 1975-1982 L6 4.8 .035 Gap .035 Gap; Heavy duty; Without high energy ignition .035″/0.9mm 292cid |
| CHEVROLET K20 SUBURBAN 1972-1973,1977-1978 V8 5.0 .035 Gap .045 Gap; Heavy duty 305cid 307cid |
| CHEVROLET K20 SUBURBAN 1972-1979 V8 5.7 .025 Gap .035 Gap .035 Gap; Heavy duty .035 Gap; Heavy duty; Without high energy ignition 350cid 350cid; GAS 350cid; LPG |
| CHEVROLET K20 SUBURBAN 1970-1972,1975-1980 V8 6.6 .035 Gap .045 Gap; Heavy duty .045″/1.1mm 400cid 402cid Heavy Duty |
| CHEVROLET K20 SUBURBAN 1973-1974,1985 V8 7.4 .035 Gap .045″/1.1mm 454cid |
| CHEVROLET K30 1977-1986 L6 4.8 .035 Gap .035″/0.9mm 292cid |
| CHEVROLET K30 1977-1979 V8 5.7 .035 Gap; Heavy duty 350cid |
| CHEVROLET K30 1977-1980 V8 6.6 .045 Gap; Heavy duty .045″/1.1mm 400cid Heavy Duty |
| CHEVROLET K30 1977,1980-1986 V8 7.4 .045 Gap; Heavy duty .045″/1.1mm 454cid Heavy Duty |
| CHEVROLET K30 PICKUP 1972-1973 V8 5.0 .035 Gap 307cid |
| CHEVROLET K30 PICKUP 1972-1974 V8 5.7 .025 Gap .035 Gap 350cid; GAS 350cid; LPG |
| CHEVROLET K30 PICKUP 1970-1972 V8 6.6 .035 Gap 402cid |
| CHEVROLET K30 PICKUP 1973-1974 V8 7.4 .035 Gap 454cid |
| CHEVROLET K5 BLAZER 1977-1978 V8 5.0 .045 Gap; Heavy duty 305cid |
| CHEVROLET K5 BLAZER 1975-1984 V8 5.7 .035 Gap; Heavy duty .035 Gap; Heavy duty; Without high energy ignition .035″/0.9mm .045″/1.1mm 350cid Heavy Duty |
| CHEVROLET K5 BLAZER 1975-1979 V8 6.6 .035 Gap .045 Gap; Heavy duty 400cid |
| CHEVROLET K5 BLAZER 1977-1978 V8 7.4 .045 Gap; Heavy duty 454cid |
| CHEVROLET P10 1975-1980 L6 4.8 .035 Gap .035 Gap; Heavy duty; Without high energy ignition .035″/0.9mm 292cid |
| CHEVROLET P10 1975,1977-1978 V8 5.7 .035 Gap .045 Gap; Except California; Heavy duty .045 Gap; Heavy duty 350cid |
| CHEVROLET P10 1977 V8 6.6 .045 Gap 400cid |
| CHEVROLET P10 VAN 1973 V8 5.0 .035 Gap 307cid |
| CHEVROLET P10 VAN 1973 V8 5.7 .035 Gap 350cid |
| CHEVROLET P10 VAN 1973 V8 7.4 .035 Gap 454cid |
| CHEVROLET P20 1975-1989 L6 4.8 .035 Gap .035 Gap; Heavy duty; Without high energy ignition .035″/0.9mm .045″/1.1mm 292cid |
| CHEVROLET P20 1975-1979 V8 5.7 .035 Gap .045 Gap; Except California; Heavy duty .045 Gap; Heavy duty 350cid |
| CHEVROLET P20 1976,1979 V8 7.4 .045 Gap .045 Gap; Heavy duty 454cid |
| CHEVROLET P20 VAN 1973 V8 5.0 .035 Gap 307cid |
| CHEVROLET P20 VAN 1972-1974 V8 5.7 .035 Gap 350cid |
| CHEVROLET P20 VAN 1973 V8 7.4 .035 Gap 454cid |
| CHEVROLET P30 1975-1989 L6 4.8 .035 Gap .035 Gap; Heavy duty; Without high energy ignition .035″/0.9mm .045″/1.1mm 292cid |
| CHEVROLET P30 1975-1979 V8 5.7 .035 Gap; Light duty .045 Gap; Except California; Heavy duty .045 Gap; Heavy duty 350cid |
| CHEVROLET P30 1976 V8 6.6 .045 Gap 400cid |
| CHEVROLET P30 1975-1990 V8 7.4 .035 Gap .035″/0.9mm .045 Gap .045 Gap; Heavy duty .045″/1.1mm 454cid Heavy Duty |
| CHEVROLET P30 VAN 1973 V8 5.0 .035 Gap 307cid |
| CHEVROLET P30 VAN 1972-1974 V8 5.7 .035 Gap 350cid |
| CHEVROLET P30 VAN 1972 V8 6.6 .035 Gap 402cid |
| CHEVROLET P30 VAN 1973-1974 V8 7.4 .035 Gap 454cid |
| CHEVROLET P40 1979-1990 L6 4.8 .035″/0.9mm |
| CHEVROLET R20 1987-1988 L6 4.8 .035″/0.9mm |
| CHEVROLET R30 1987-1988 L6 4.8 .035″/0.9mm |
| CHEVROLET R30 1987-1988 V8 7.4 .045″/1.1mm CARB |
| CHEVROLET R3500 1989 V8 7.4 .045″/1.1mm CARB |
| CHEVROLET V20 1987 L6 4.8 .035″/0.9mm |
| CHEVROLET V30 1987-1988 L6 4.8 .035″/0.9mm |
| CHEVROLET V30 1987-1988 V8 5.7 .045″/1.1mm CARB |
| CHEVROLET V30 1987-1988 V8 7.4 .045″/1.1mm CARB |
| CHEVROLET V3500 1989 V8 7.4 .045″/1.1mm CARB |
| GMC C15 1975-1978 L6 4.8 .035 Gap .035 Gap; Heavy duty; Without high energy ignition 292cid |
| GMC C15 1977-1978 V8 5.0 .045 Gap; Heavy duty 305cid |
| GMC C15 1975-1978 V8 5.7 .035 Gap; Except California; Heavy duty .035 Gap; Heavy duty .035 Gap; Without high energy ignition 350cid 350cid; 4BBL 350cid; GAS |
| GMC C15 1976,1978 V8 6.6 .045 Gap; Heavy duty 400cid |
| GMC C15 1975,1977-1978 V8 7.4 .035 Gap .045 Gap; Heavy duty 454cid |
| GMC C15 SUBURBAN 1977-1978 V8 5.0 .045 Gap; Heavy duty 305cid |
| GMC C15 SUBURBAN 1975-1978 V8 5.7 .035 Gap; Except California; Heavy duty .035 Gap; Heavy duty .035 Gap; Without high energy ignition 350cid 350cid; 4BBL 350cid; GAS |
| GMC C15 SUBURBAN 1975,1977-1978 V8 7.4 .035 Gap .045 Gap; Heavy duty 454cid |
| GMC C15/C1500 PICKUP 1972-1973 V8 5.0 .035 Gap 307cid |
| GMC C15/C1500 PICKUP 1972-1974 V8 5.7 .025 Gap .035 Gap 350cid; GAS 350cid; LPG |
| GMC C15/C1500 PICKUP 1970-1972 V8 6.6 .035 Gap 402cid |
| GMC C15/C1500 PICKUP 1973-1974 V8 7.4 .035 Gap 454cid |
| GMC C15/C1500 SUBURBAN 1972-1973 V8 5.0 .035 Gap |
| GMC C15/C1500 SUBURBAN 1972-1974 V8 5.7 .025 Gap .035 Gap 350cid; GAS 350cid; LPG |
| GMC C15/C1500 SUBURBAN 1970-1972 V8 6.6 .035 Gap 402cid |
| GMC C15/C1500 SUBURBAN 1973-1974 V8 7.4 .035 Gap 454cid |
| GMC C1500 1979-1980 L6 4.8 .035 Gap .035″/0.9mm 292cid |
| GMC C1500 1979 V8 5.7 .045 Gap; Heavy duty 350cid; GAS |
| GMC C1500 1979-1980 V8 6.6 .045 Gap; Heavy duty .045″/1.1mm 400cid Heavy Duty |
| GMC C1500 1979-1980 V8 7.4 .045 Gap; Heavy duty .045″/1.1mm 454cid Heavy Duty |
| GMC C1500 SUBURBAN 1979 V8 5.7 .045 Gap; Heavy duty 350cid; GAS |
| GMC C1500 SUBURBAN 1979-1980 V8 7.4 .045 Gap; Heavy duty .045″/1.1mm 454cid Heavy Duty |
| GMC C25 1975-1978 L6 4.8 .035 Gap .035 Gap; Heavy duty; Without high energy ignition 292cid |
| GMC C25 1977-1978 V8 5.0 .045 Gap; Heavy duty 305cid |
| GMC C25 1975-1978 V8 5.7 .035 Gap; Except California; Heavy duty .035 Gap; Heavy duty .035 Gap; Without high energy ignition 350cid 350cid; 4BBL |
| GMC C25 1976-1978 V8 6.6 .045 Gap; Except California; Heavy duty .045 Gap; Heavy duty 400cid |
| GMC C25 1975,1977-1978 V8 7.4 .035 Gap .045 Gap; Heavy duty 454cid |
| GMC C25 SUBURBAN 1975-1978 L6 4.8 .035 Gap .035 Gap; Heavy duty; Without high energy ignition 292cid |
| GMC C25 SUBURBAN 1977-1978 V8 5.0 .045 Gap; Heavy duty 305cid |
| GMC C25 SUBURBAN 1975-1978 V8 5.7 .035 Gap; Except California; Heavy duty .035 Gap; Heavy duty .035 Gap; Without high energy ignition 350cid 350cid; 4BBL |
| GMC C25 SUBURBAN 1978 V8 6.6 .045 Gap; Heavy duty 400cid |
| GMC C25 SUBURBAN 1975,1977-1978 V8 7.4 .035 Gap .045 Gap; Heavy duty 454cid |
| GMC C25/C2500 PICKUP 1972-1973 V8 5.0 .035 Gap 307cid |
| GMC C25/C2500 PICKUP 1972-1974 V8 5.7 .025 Gap .035 Gap 350cid; GAS 350cid; LPG |
| GMC C25/C2500 PICKUP 1970-1972 V8 6.6 .035 Gap 402cid |
| GMC C25/C2500 PICKUP 1973-1974 V8 7.4 .035 Gap 454cid |
| GMC C25/C2500 SUBURBAN 1972-1973 V8 5.0 .035 Gap 307cid |
| GMC C25/C2500 SUBURBAN 1972-1974 V8 5.7 .025 Gap .035 Gap 350cid; GAS 350cid; LPG |
| GMC C25/C2500 SUBURBAN 1970-1972 V8 6.6 .035 Gap 402cid |
| GMC C25/C2500 SUBURBAN 1973-1974 V8 7.4 .035 Gap 454cid |
| GMC C2500 1979-1986 L6 4.8 .035 Gap .035″/0.9mm .045″/1.1mm 292cid |
| GMC C2500 1979 V8 5.7 .045 Gap; Heavy duty 350cid |
| GMC C2500 1979 V8 6.6 .045 Gap; Heavy duty 400cid |
| GMC C2500 1979-1986 V8 7.4 .045 Gap; Heavy duty .045″/1.1mm 454cid Heavy Duty |
| GMC C2500 SUBURBAN 1979-1982,1984 L6 4.8 .035 Gap .035″/0.9mm .045″/1.1mm 292cid |
| GMC C2500 SUBURBAN 1979 V8 5.7 .045 Gap; Heavy duty 350cid |
| GMC C2500 SUBURBAN 1980 V8 6.6 .045″/1.1mm Heavy Duty |
| GMC C2500 SUBURBAN 1979-1986 V8 7.4 .045 Gap; Heavy duty .045″/1.1mm 454cid Heavy Duty |
| GMC C35 1975-1978 L6 4.8 .035 Gap .035 Gap; Heavy duty; Without high energy ignition 292cid |
| GMC C35 1978 V8 5.0 .045 Gap; Heavy duty 305cid |
| GMC C35 1975-1978 V8 5.7 .035 Gap; Except California; Heavy duty .035 Gap; Heavy duty .035 Gap; Without high energy ignition 350cid 350cid; 4BBL |
| GMC C35 1976-1978 V8 6.6 .045 Gap; Except California; Heavy duty .045 Gap; Heavy duty 400cid |
| GMC C35 1975,1977-1978 V8 7.4 .035 Gap .045 Gap; Heavy duty 454cid |
| GMC C35/C3500 PICKUP 1972-1973 V8 5.0 .035 Gap 307cid |
| GMC C35/C3500 PICKUP 1972-1974 V8 5.7 .025 Gap .035 Gap 350cid; GAS 350cid; LPG |
