| Year | Make | Model | Configuration | Positions | Application Notes |
|---|---|---|---|---|---|
| << < 31 32 33 34 35 36 37 38 39 40 > >> | |||||
| 1978 | Buick | Skylark | V6 231 3.8L (3800cc) | 14 mm Tapered Seat | |
| 1978 | Chevrolet | C10 | V8 305 5.0L | 14 mm Tapered Seat | |
| 1978 | Chevrolet | C10 Suburban | V8 305 5.0L | 14 mm Tapered Seat | |
| 1978 | Chevrolet | C20 | V8 305 5.0L | 14 mm Tapered Seat | |
| 1978 | Chevrolet | C20 Suburban | V8 305 5.0L | 14 mm Tapered Seat | |
| 1978 | Chevrolet | C30 | V8 305 5.0L | 14 mm Tapered Seat | |
| 1978 | Chevrolet | Camaro | V8 350 5.7L | 14 mm Tapered Seat | |
| 1978 | Chevrolet | Caprice | V8 350 5.7L | 14 mm Tapered Seat | |
| 1978 | Chevrolet | Chevette | L4 98 1.6L | 14 mm Tapered Seat | |
| 1978 | Chevrolet | Corvette | V8 350 5.7L | 14 mm Tapered Seat | |
| 1978 | Chevrolet | El Camino | V6 200 3.3L; VIN M | 14 mm Tapered Seat | |
| 1978 | Chevrolet | G10 | V8 305 5.0L | 14 mm Tapered Seat | |
| 1978 | Chevrolet | G20 | V8 350 5.7L | 14 mm Tapered Seat | |
| 1978 | Chevrolet | G30 | V8 305 5.0L | 14 mm Tapered Seat | |
| 1978 | Chevrolet | Impala | V8 350 5.7L | 14 mm Tapered Seat | |
| 1978 | Chevrolet | K10 | V8 305 5.0L | 14 mm Tapered Seat | |
| 1978 | Chevrolet | K10 Suburban | V8 305 5.0L | 14 mm Tapered Seat | |
| 1978 | Chevrolet | K20 | V8 305 5.0L | 14 mm Tapered Seat | |
| 1978 | Chevrolet | K20 Suburban | V8 305 5.0L | 14 mm Tapered Seat | |
| 1978 | Chevrolet | K30 | L6 292 4.8L | 14 mm Tapered Seat | |
| 1978 | Chevrolet | K5 Blazer | V8 305 5.0L | 14 mm Tapered Seat | |
| 1978 | Chevrolet | Malibu | V6 200 3.3L; VIN M | 14 mm Tapered Seat | |
| 1978 | Chevrolet | Monte Carlo | V6 200 3.3L; VIN M | 14 mm Tapered Seat | |
| 1978 | Chevrolet | Monza | L4 151 2.5L (2474cc) | 14 mm Tapered Seat | |
| 1978 | Chevrolet | Nova | V8 350 5.7L | 14 mm Tapered Seat | |
| 1978 | Chevrolet | P10 | L6 292 4.8L | 14 mm Tapered Seat | |
| 1978 | Chevrolet | P20 | L6 292 4.8L | 14 mm Tapered Seat | |
| 1978 | Chevrolet | P30 | L6 292 4.8L | 14 mm Tapered Seat | |
| 1978 | Chrysler | LeBaron | L6 225 3.7L (3687cc) | 14 mm Tapered Seat | |
| 1978 | Chrysler | Town and Country | L6 225 3.7L (3687cc) | 14 mm Tapered Seat | |
| 1978 | Dodge | Aspen | L6 225 3.7L (3687cc) | 14 mm Tapered Seat | |
| 1978 | Dodge | B100 | L6 225 3.7L (3687cc) | 14 mm Tapered Seat | |
| 1978 | Dodge | B200 | L6 225 3.7L (3687cc) | 14 mm Tapered Seat | |
| 1978 | Dodge | B300 | L6 225 3.7L (3687cc) | 14 mm Tapered Seat | |
| 1978 | Dodge | CB300 | L6 225 3.7L (3687cc) | 14 mm Tapered Seat | |
| 1978 | Dodge | D100 | L6 225 3.7L (3687cc) | 14 mm Tapered Seat | |
| 1978 | Dodge | D150 | L6 225 3.7L (3687cc) | 14 mm Tapered Seat | |
| 1978 | Dodge | D200 | L6 225 3.7L (3687cc) | 14 mm Tapered Seat | |
| 1978 | Dodge | D300 | L6 225 3.7L (3687cc) | 14 mm Tapered Seat | |
| 1978 | Dodge | Diplomat | L6 225 3.7L (3687cc) | 14 mm Tapered Seat | |
| 1978 | Dodge | Monaco | L6 225 3.7L (3687cc) | 14 mm Tapered Seat | |
| 1978 | Dodge | Ramcharger | L6 225 3.7L (3687cc) | 14 mm Tapered Seat | |
| 1978 | Dodge | W150 | L6 225 3.7L (3687cc) | 14 mm Tapered Seat | |
| 1978 | Dodge | W200 | L6 225 3.7L (3687cc) | 14 mm Tapered Seat | |
| 1978 | Dodge | W300 | L6 225 3.7L (3687cc) | 14 mm Tapered Seat | |
| 1978 | Ford | Bronco | 14 mm Tapered Seat | ||
| 1978 | Ford | E-100 Econoline | V8 460 7.5L | 14 mm Tapered Seat | |
| 1978 | Ford | E-100 Econoline Club Wagon | V8 351 5.8L (5753cc) | 14 mm Tapered Seat | |
| 1978 | Ford | E-150 Econoline | V8 351 5.8L (5753cc) | 14 mm Tapered Seat | |
| 1978 | Ford | E-150 Econoline Club Wagon | V8 351 5.8L (5753cc) | 14 mm Tapered Seat | |