| Manufacture | Number |
| ACDelco | 43XLS |
| Champion | 38 |
| Year | Make | Model | Engine | Notes |
| 1964 | Austin | Princess | 3.9L 3904CC 238Cu. In. l6 GAS OHV Naturally Aspirated | Gap .025;; Plug Type N12YC |
| 1972 | BMW | 2800 | 2.8L 2788CC l6 GAS Naturally Aspirated | Engine: M30B28; Gap .024; OE Type; Plug Type N12YC |
| 1968 | BMW | 2800CS | 2.8L 2788CC l6 GAS Naturally Aspirated | Engine: M30B28; Gap .024; OE Type; Plug Type N12YC |
| 1966 | Hillman | Husky | 1.4L 1390CC 85Cu. In. l4 GAS OHV Naturally Aspirated | Gap .025;; Plug Type N12YC |
| 1973 | BMW | 2800 | 2.8L 2788CC 170Cu. In. l6 GAS SOHC Naturally Aspirated | Engine: M30B28; Gap .024; OE Type; Plug Type N12YC |
| 1974 | BMW | 2800 | 2.8L 2788CC 170Cu. In. l6 GAS SOHC Naturally Aspirated | Engine: M30B28; Gap .024; OE Type; Plug Type N12YC |
| 1976 | BMW | 530i | 3.0L 2985CC l6 GAS SOHC Naturally Aspirated | Gap .024; OE Type;; Plug Type N12YC |
| 1974 | BMW | 2800 | 2.8L 2788CC l6 GAS Naturally Aspirated | Engine: M30B28; Gap .024; OE Type; Plug Type N12YC |
| 1963 | Austin | Princess | 3.9L 3904CC 238Cu. In. l6 GAS OHV Naturally Aspirated | Gap .025;; Plug Type N12YC |
| 1971 | BMW | 2800CS | 2.8L 2788CC l6 GAS Naturally Aspirated | Engine: M30B28; Gap .024; OE Type; Plug Type N12YC |
| 1960 | Hillman | Husky | 1.4L 1390CC 85Cu. In. l4 GAS OHV Naturally Aspirated | B SERIES; Gap .025;; Plug Type N12YC |
| 1970 | BMW | 2800 | 2.8L 2788CC l6 GAS Naturally Aspirated | Engine: M30B28; Gap .024; OE Type; Plug Type N12YC |
| 1973 | BMW | 2800 | 2.8L 2788CC l6 GAS Naturally Aspirated | Engine: M30B28; Gap .024; OE Type; Plug Type N12YC |
| 1971 | BMW | 2800 | 2.8L 2788CC l6 GAS Naturally Aspirated | Engine: M30B28; Gap .024; OE Type; Plug Type N12YC |
| 1969 | BMW | 2800 | 2.8L 2788CC 170Cu. In. l6 GAS SOHC Naturally Aspirated | Engine: M30B28; Gap .024; OE Type; Plug Type N12YC |
| 1961 | Hillman | Husky | 1.4L 1390CC 85Cu. In. l4 GAS OHV Naturally Aspirated | Gap .025;; Plug Type N12YC |
| 1968 | BMW | 2500 | 2.5L 2495CC 152Cu. In. l6 GAS SOHC Naturally Aspirated | Gap .024; OE Type;; Plug Type N12YC |
| 1965 | Austin | Princess | 3.9L 3904CC 238Cu. In. l6 GAS OHV Naturally Aspirated | Gap .025;; Plug Type N12YC |
| 1964 | Hillman | Husky | 1.4L 1390CC 85Cu. In. l4 GAS OHV Naturally Aspirated | Gap .025;; Plug Type N12YC |
| 1970 | BMW | 2800CS | 2.8L 2788CC l6 GAS Naturally Aspirated | Engine: M30B28; Gap .024; OE Type; Plug Type N12YC |
| 1971 | BMW | 2800CS | 2.8L 2788CC 170Cu. In. l6 GAS SOHC Naturally Aspirated | Engine: M30B28; Gap .024; OE Type; Plug Type N12YC |
| 1966 | Hillman | Husky | 1.4L 1390CC 85Cu. In. l4 GAS OHV Naturally Aspirated | Gap .025;; Plug Type N12YC |
| 1969 | BMW | 2800CS | 2.8L 2788CC l6 GAS Naturally Aspirated | Engine: M30B28; Gap .024; OE Type; Plug Type N12YC |
| 1962 | Hillman | Husky | 1.4L 1390CC 85Cu. In. l4 GAS OHV Naturally Aspirated | Gap .025;; Plug Type N12YC |
| 1961 | Hillman | Husky | 1.4L 1390CC 85Cu. In. l4 GAS OHV Naturally Aspirated | Gap .025;; Plug Type N12YC |
| 1960 | Hillman | Husky | 1.4L 1390CC 85Cu. In. l4 GAS OHV Naturally Aspirated | B SERIES; Gap .025;; Plug Type N12YC |
| 1969 | BMW | 2800CS | 2.8L 2788CC 170Cu. In. l6 GAS SOHC Naturally Aspirated | Engine: M30B28; Gap .024; OE Type; Plug Type N12YC |
| 1970 | BMW | 2800CS | 2.8L 2788CC 170Cu. In. l6 GAS SOHC Naturally Aspirated | Engine: M30B28; Gap .024; OE Type; Plug Type N12YC |
| 1968 | BMW | 2800 | 2.8L 2788CC 170Cu. In. l6 GAS SOHC Naturally Aspirated | Engine: M30B28; Gap .024; OE Type; Plug Type N12YC |
| 1978 | BMW | 530i | 3.0L 2985CC l6 GAS SOHC Naturally Aspirated | Gap .024; OE Type;; Plug Type N12YC |
| 1962 | Hillman | Husky | 1.4L 1390CC 85Cu. In. l4 GAS OHV Naturally Aspirated | Gap .025;; Plug Type N12YC |
| 1963 | Hillman | Husky | 1.4L 1390CC 85Cu. In. l4 GAS OHV Naturally Aspirated | Gap .025;; Plug Type N12YC |
| 1963 | Hillman | Husky | 1.4L 1390CC 85Cu. In. l4 GAS OHV Naturally Aspirated | Gap .025;; Plug Type N12YC |
| 1972 | BMW | 2800 | 2.8L 2788CC 170Cu. In. l6 GAS SOHC Naturally Aspirated | Engine: M30B28; Gap .024; OE Type; Plug Type N12YC |
| 1969 | BMW | 2800 | 2.8L 2788CC l6 GAS Naturally Aspirated | Engine: M30B28; Gap .024; OE Type; Plug Type N12YC |
| 1975 | BMW | 530i | 3.0L 2985CC l6 GAS SOHC Naturally Aspirated | Gap .024; OE Type;; Plug Type N12YC |
| 1971 | BMW | 2800 | 2.8L 2788CC 170Cu. In. l6 GAS SOHC Naturally Aspirated | Engine: M30B28; Gap .024; OE Type; Plug Type N12YC |
| 1964 | Hillman | Husky | 1.4L 1390CC 85Cu. In. l4 GAS OHV Naturally Aspirated | Gap .025;; Plug Type N12YC |
| 1971 | BMW | 2500 | 2.5L 2495CC 152Cu. In. l6 GAS SOHC Naturally Aspirated | Gap .024; OE Type;; Plug Type N12YC |
| 1965 | Hillman | Husky | 1.4L 1390CC 85Cu. In. l4 GAS OHV Naturally Aspirated | Gap .025;; Plug Type N12YC |
| 1965 | Hillman | Husky | 1.4L 1390CC 85Cu. In. l4 GAS OHV Naturally Aspirated | Gap .025;; Plug Type N12YC |
| 1977 | BMW | 530i | 3.0L 2985CC l6 GAS SOHC Naturally Aspirated | Gap .024; OE Type;; Plug Type N12YC |
| 1969 | BMW | 2500 | 2.5L 2495CC 152Cu. In. l6 GAS SOHC Naturally Aspirated | Gap .024; OE Type;; Plug Type N12YC |
| 1970 | BMW | 2800 | 2.8L 2788CC 170Cu. In. l6 GAS SOHC Naturally Aspirated | Engine: M30B28; Gap .024; OE Type; Plug Type N12YC |
| 1968 | BMW | 2800 | 2.8L 2788CC l6 GAS Naturally Aspirated | Engine: M30B28; Gap .024; OE Type; Plug Type N12YC |
| 1970 | BMW | 2500 | 2.5L 2495CC 152Cu. In. l6 GAS SOHC Naturally Aspirated | Gap .024; OE Type;; Plug Type N12YC |
| 1968 | BMW | 2800CS | 2.8L 2788CC 170Cu. In. l6 GAS SOHC Naturally Aspirated | Engine: M30B28; Gap .024; OE Type; Plug Type N12YC |
| 1964 | Hillman | Husky | -- | Gap .025;; Plug Type N12YC |
| 1972 | Volkswagen | Transporter | 1.7L 1679CC H4 GAS Naturally Aspirated | Gap .024; OE Type;; Plug Type N12YC |
| 1966 | Hillman | Husky | -- | Gap .025;; Plug Type N12YC |
| 1973 | Volkswagen | Campmobile | 1.7L 1679CC H4 GAS Naturally Aspirated | Gap .024; OE Type;; Plug Type N12YC |
| 1972 | Volkswagen | Transporter | 1.7L 1679CC 103Cu. In. H4 GAS OHV Naturally Aspirated | Gap .024; OE Type;; Plug Type N12YC |
| 1973 | Volkswagen | Transporter | 1.7L 1679CC 103Cu. In. H4 GAS OHV Naturally Aspirated | Gap .024; OE Type;; Plug Type N12YC |
| 1962 | Hillman | Husky | -- | Gap .025;; Plug Type N12YC |
| 1973 | Volkswagen | 411 | 1.7L 1679CC 103Cu. In. H4 GAS OHV Naturally Aspirated | Gap .024; OE Type;; Plug Type N12YC |
| 1972 | Volkswagen | 411 | 1.7L 1679CC H4 GAS OHV Naturally Aspirated | Gap .024; OE Type;; Plug Type N12YC |
| 1961 | Hillman | Husky | -- | Gap .025;; Plug Type N12YC |
| 1969 | BMW | 2500 | -- | Gap .024; OE Type;; Plug Type N12YC |
| 1971 | Volkswagen | 411 | 1.7L 1679CC 103Cu. In. H4 GAS OHV Naturally Aspirated | Gap .024; OE Type;; Plug Type N12YC |
| 1972 | Volkswagen | Transporter | 1.7L 1679CC 103Cu. In. H4 GAS OHV Naturally Aspirated | Gap .024; OE Type;; Plug Type N12YC |
| 1956 | Hudson | Hornet Special | 4.1L 250Cu. In. V8 GAS Naturally Aspirated | 3/4'' Reach Heads; Gap .035;; Plug Type N12YC |
| 1971 | Volkswagen | 411 | 1.7L 1679CC H4 GAS OHV Naturally Aspirated | Gap .024; OE Type;; Plug Type N12YC |
| 1970 | BMW | 2500 | -- | Gap .024; OE Type;; Plug Type N12YC |
| 1973 | Volkswagen | Transporter | 1.7L 1679CC 103Cu. In. H4 GAS OHV Naturally Aspirated | Gap .024; OE Type;; Plug Type N12YC |
| 1963 | Hillman | Husky | -- | Gap .025;; Plug Type N12YC |
| 1968 | BMW | 2500 | -- | Gap .024; OE Type;; Plug Type N12YC |
| 1973 | Volkswagen | 412 | 1.7L 1679CC 103Cu. In. H4 GAS OHV Naturally Aspirated | Gap .024; OE Type;; Plug Type N12YC |
| 1972 | Volkswagen | Transporter | 1.7L 1679CC 103Cu. In. H4 GAS OHV Naturally Aspirated | Gap .024; OE Type;; Plug Type N12YC |
| Year | Make | Model | Engine | Trim | Notes |
| 1964 | Austin | Princess | 3.9L 3904CC 238Cu. In. l6 GAS OHV Naturally Aspirated | Base | Gap .025;; Plug Type N12YC |
| 1972 | BMW | 2800 | 2.8L 2788CC l6 GAS Naturally Aspirated | Base | Engine: M30B28; Gap .024; OE Type; Plug Type N12YC |
| 1968 | BMW | 2800CS | 2.8L 2788CC l6 GAS Naturally Aspirated | Base | Engine: M30B28; Gap .024; OE Type; Plug Type N12YC |
| 1966 | Hillman | Husky | 1.4L 1390CC 85Cu. In. l4 GAS OHV Naturally Aspirated | Series III | Gap .025;; Plug Type N12YC |
| 1973 | BMW | 2800 | 2.8L 2788CC 170Cu. In. l6 GAS SOHC Naturally Aspirated | Base | Engine: M30B28; Gap .024; OE Type; Plug Type N12YC |
| 1974 | BMW | 2800 | 2.8L 2788CC 170Cu. In. l6 GAS SOHC Naturally Aspirated | Base | Engine: M30B28; Gap .024; OE Type; Plug Type N12YC |
| 1976 | BMW | 530i | 3.0L 2985CC l6 GAS SOHC Naturally Aspirated | Base Sedan 4-Door | Gap .024; OE Type;; Plug Type N12YC |
| 1974 | BMW | 2800 | 2.8L 2788CC l6 GAS Naturally Aspirated | Base | Engine: M30B28; Gap .024; OE Type; Plug Type N12YC |
| 1963 | Austin | Princess | 3.9L 3904CC 238Cu. In. l6 GAS OHV Naturally Aspirated | Base | Gap .025;; Plug Type N12YC |
| 1971 | BMW | 2800CS | 2.8L 2788CC l6 GAS Naturally Aspirated | Base | Engine: M30B28; Gap .024; OE Type; Plug Type N12YC |
| 1960 | Hillman | Husky | 1.4L 1390CC 85Cu. In. l4 GAS OHV Naturally Aspirated | Base | B SERIES; Gap .025;; Plug Type N12YC |
| 1970 | BMW | 2800 | 2.8L 2788CC l6 GAS Naturally Aspirated | Base | Engine: M30B28; Gap .024; OE Type; Plug Type N12YC |
| 1973 | BMW | 2800 | 2.8L 2788CC l6 GAS Naturally Aspirated | Base | Engine: M30B28; Gap .024; OE Type; Plug Type N12YC |
| 1971 | BMW | 2800 | 2.8L 2788CC l6 GAS Naturally Aspirated | Base | Engine: M30B28; Gap .024; OE Type; Plug Type N12YC |
| 1969 | BMW | 2800 | 2.8L 2788CC 170Cu. In. l6 GAS SOHC Naturally Aspirated | Base | Engine: M30B28; Gap .024; OE Type; Plug Type N12YC |
| 1961 | Hillman | Husky | 1.4L 1390CC 85Cu. In. l4 GAS OHV Naturally Aspirated | Series II | Gap .025;; Plug Type N12YC |
| 1968 | BMW | 2500 | 2.5L 2495CC 152Cu. In. l6 GAS SOHC Naturally Aspirated | Base | Gap .024; OE Type;; Plug Type N12YC |
| 1965 | Austin | Princess | 3.9L 3904CC 238Cu. In. l6 GAS OHV Naturally Aspirated | Base | Gap .025;; Plug Type N12YC |
| 1964 | Hillman | Husky | 1.4L 1390CC 85Cu. In. l4 GAS OHV Naturally Aspirated | Series III | Gap .025;; Plug Type N12YC |
| 1970 | BMW | 2800CS | 2.8L 2788CC l6 GAS Naturally Aspirated | Base | Engine: M30B28; Gap .024; OE Type; Plug Type N12YC |
| 1971 | BMW | 2800CS | 2.8L 2788CC 170Cu. In. l6 GAS SOHC Naturally Aspirated | Base | Engine: M30B28; Gap .024; OE Type; Plug Type N12YC |
| 1966 | Hillman | Husky | 1.4L 1390CC 85Cu. In. l4 GAS OHV Naturally Aspirated | Series III Wagon 2-Door | Gap .025;; Plug Type N12YC |
| 1969 | BMW | 2800CS | 2.8L 2788CC l6 GAS Naturally Aspirated | Base | Engine: M30B28; Gap .024; OE Type; Plug Type N12YC |
| 1962 | Hillman | Husky | 1.4L 1390CC 85Cu. In. l4 GAS OHV Naturally Aspirated | Series II | Gap .025;; Plug Type N12YC |
| 1961 | Hillman | Husky | 1.4L 1390CC 85Cu. In. l4 GAS OHV Naturally Aspirated | Series II Wagon 2-Door | Gap .025;; Plug Type N12YC |
| 1960 | Hillman | Husky | 1.4L 1390CC 85Cu. In. l4 GAS OHV Naturally Aspirated | Base Wagon 2-Door | B SERIES; Gap .025;; Plug Type N12YC |
| 1969 | BMW | 2800CS | 2.8L 2788CC 170Cu. In. l6 GAS SOHC Naturally Aspirated | Base | Engine: M30B28; Gap .024; OE Type; Plug Type N12YC |
| 1970 | BMW | 2800CS | 2.8L 2788CC 170Cu. In. l6 GAS SOHC Naturally Aspirated | Base | Engine: M30B28; Gap .024; OE Type; Plug Type N12YC |
| 1968 | BMW | 2800 | 2.8L 2788CC 170Cu. In. l6 GAS SOHC Naturally Aspirated | Base | Engine: M30B28; Gap .024; OE Type; Plug Type N12YC |
| 1978 | BMW | 530i | 3.0L 2985CC l6 GAS SOHC Naturally Aspirated | Base Sedan 4-Door | Gap .024; OE Type;; Plug Type N12YC |
| 1962 | Hillman | Husky | 1.4L 1390CC 85Cu. In. l4 GAS OHV Naturally Aspirated | Series II Wagon 2-Door | Gap .025;; Plug Type N12YC |
| 1963 | Hillman | Husky | 1.4L 1390CC 85Cu. In. l4 GAS OHV Naturally Aspirated | Series II Wagon 2-Door | Gap .025;; Plug Type N12YC |
| 1963 | Hillman | Husky | 1.4L 1390CC 85Cu. In. l4 GAS OHV Naturally Aspirated | Series II | Gap .025;; Plug Type N12YC |
| 1972 | BMW | 2800 | 2.8L 2788CC 170Cu. In. l6 GAS SOHC Naturally Aspirated | Base | Engine: M30B28; Gap .024; OE Type; Plug Type N12YC |
| 1969 | BMW | 2800 | 2.8L 2788CC l6 GAS Naturally Aspirated | Base | Engine: M30B28; Gap .024; OE Type; Plug Type N12YC |
| 1975 | BMW | 530i | 3.0L 2985CC l6 GAS SOHC Naturally Aspirated | Base Sedan 4-Door | Gap .024; OE Type;; Plug Type N12YC |
| 1971 | BMW | 2800 | 2.8L 2788CC 170Cu. In. l6 GAS SOHC Naturally Aspirated | Base | Engine: M30B28; Gap .024; OE Type; Plug Type N12YC |
| 1964 | Hillman | Husky | 1.4L 1390CC 85Cu. In. l4 GAS OHV Naturally Aspirated | Series III Wagon 2-Door | Gap .025;; Plug Type N12YC |
| 1971 | BMW | 2500 | 2.5L 2495CC 152Cu. In. l6 GAS SOHC Naturally Aspirated | Base | Gap .024; OE Type;; Plug Type N12YC |
| 1965 | Hillman | Husky | 1.4L 1390CC 85Cu. In. l4 GAS OHV Naturally Aspirated | Series III Wagon 2-Door | Gap .025;; Plug Type N12YC |
| 1965 | Hillman | Husky | 1.4L 1390CC 85Cu. In. l4 GAS OHV Naturally Aspirated | Series III | Gap .025;; Plug Type N12YC |
| 1977 | BMW | 530i | 3.0L 2985CC l6 GAS SOHC Naturally Aspirated | Base Sedan 4-Door | Gap .024; OE Type;; Plug Type N12YC |
| 1969 | BMW | 2500 | 2.5L 2495CC 152Cu. In. l6 GAS SOHC Naturally Aspirated | Base | Gap .024; OE Type;; Plug Type N12YC |
| 1970 | BMW | 2800 | 2.8L 2788CC 170Cu. In. l6 GAS SOHC Naturally Aspirated | Base | Engine: M30B28; Gap .024; OE Type; Plug Type N12YC |
| 1968 | BMW | 2800 | 2.8L 2788CC l6 GAS Naturally Aspirated | Base | Engine: M30B28; Gap .024; OE Type; Plug Type N12YC |
| 1970 | BMW | 2500 | 2.5L 2495CC 152Cu. In. l6 GAS SOHC Naturally Aspirated | Base | Gap .024; OE Type;; Plug Type N12YC |
| 1968 | BMW | 2800CS | 2.8L 2788CC 170Cu. In. l6 GAS SOHC Naturally Aspirated | Base | Engine: M30B28; Gap .024; OE Type; Plug Type N12YC |
| 1964 | Hillman | Husky | -- | Series III Wagon 2-Door | Gap .025;; Plug Type N12YC |
| 1972 | Volkswagen | Transporter | 1.7L 1679CC H4 GAS Naturally Aspirated | Base | Gap .024; OE Type;; Plug Type N12YC |
| 1966 | Hillman | Husky | -- | Series III Wagon 2-Door | Gap .025;; Plug Type N12YC |
| 1973 | Volkswagen | Campmobile | 1.7L 1679CC H4 GAS Naturally Aspirated | Base | Gap .024; OE Type;; Plug Type N12YC |
| 1972 | Volkswagen | Transporter | 1.7L 1679CC 103Cu. In. H4 GAS OHV Naturally Aspirated | 215 | Gap .024; OE Type;; Plug Type N12YC |
| 1973 | Volkswagen | Transporter | 1.7L 1679CC 103Cu. In. H4 GAS OHV Naturally Aspirated | Base | Gap .024; OE Type;; Plug Type N12YC |
| 1962 | Hillman | Husky | -- | Series II Wagon 2-Door | Gap .025;; Plug Type N12YC |
| 1973 | Volkswagen | 411 | 1.7L 1679CC 103Cu. In. H4 GAS OHV Naturally Aspirated | Base | Gap .024; OE Type;; Plug Type N12YC |
| 1972 | Volkswagen | 411 | 1.7L 1679CC H4 GAS OHV Naturally Aspirated | Base | Gap .024; OE Type;; Plug Type N12YC |
| 1961 | Hillman | Husky | -- | Series II Wagon 2-Door | Gap .025;; Plug Type N12YC |
| 1969 | BMW | 2500 | -- | Base | Gap .024; OE Type;; Plug Type N12YC |
| 1971 | Volkswagen | 411 | 1.7L 1679CC 103Cu. In. H4 GAS OHV Naturally Aspirated | Base | Gap .024; OE Type;; Plug Type N12YC |
| 1972 | Volkswagen | Transporter | 1.7L 1679CC 103Cu. In. H4 GAS OHV Naturally Aspirated | 211 | Gap .024; OE Type;; Plug Type N12YC |
| 1956 | Hudson | Hornet Special | 4.1L 250Cu. In. V8 GAS Naturally Aspirated | Super | 3/4'' Reach Heads; Gap .035;; Plug Type N12YC |
| 1971 | Volkswagen | 411 | 1.7L 1679CC H4 GAS OHV Naturally Aspirated | Base | Gap .024; OE Type;; Plug Type N12YC |
| 1970 | BMW | 2500 | -- | Base | Gap .024; OE Type;; Plug Type N12YC |
| 1973 | Volkswagen | Transporter | 1.7L 1679CC 103Cu. In. H4 GAS OHV Naturally Aspirated | 211 | Gap .024; OE Type;; Plug Type N12YC |
| 1963 | Hillman | Husky | -- | Series II Wagon 2-Door | Gap .025;; Plug Type N12YC |
| 1968 | BMW | 2500 | -- | Base | Gap .024; OE Type;; Plug Type N12YC |
| 1973 | Volkswagen | 412 | 1.7L 1679CC 103Cu. In. H4 GAS OHV Naturally Aspirated | Base | Gap .024; OE Type;; Plug Type N12YC |
| 1972 | Volkswagen | Transporter | 1.7L 1679CC 103Cu. In. H4 GAS OHV Naturally Aspirated | Base | Gap .024; OE Type;; Plug Type N12YC |