| Year | Make | Model | Configuration | Positions | Application Notes |
|---|---|---|---|---|---|
| << < 33 34 35 36 37 38 39 40 41 42 > >> | |||||
| 1984 | Buick | Century | V6 181 3.0L; VIN E | 14 mm Tapered Seat | |
| 1984 | Buick | Century | V6 231 3.8L (3800cc) | 14 mm Tapered Seat | |
| 1984 | Buick | Electra | V6 252 4.1L; VIN 4 | 14 mm Tapered Seat | |
| 1984 | Buick | LeSabre | V6 231 3.8L (3800cc) | 14 mm Tapered Seat | |
| 1984 | Buick | LeSabre | V6 252 4.1L; VIN 4 | 14 mm Tapered Seat | |
| 1984 | Buick | Regal | V6 231 3.8L (3800cc) | 14 mm Tapered Seat | |
| 1984 | Buick | Regal | V6 252 4.1L; VIN 4 | 14 mm Tapered Seat | |
| 1984 | Buick | Riviera | V6 231 3.8L (3800cc) | 14 mm Tapered Seat | |
| 1984 | Buick | Riviera | V6 252 4.1L; VIN 4 | 14 mm Tapered Seat | |
| 1984 | Buick | Skyhawk | L4 122 2.0L | 14 mm Tapered Seat | |
| 1984 | Buick | Skylark | L4 151 2.5L (2474cc); VIN R | 14 mm Tapered Seat | |
| 1984 | Buick | Skylark | V6 173 2.8L | 14 mm Tapered Seat | |
| 1984 | Cadillac | Cimarron | L4 122 2.0L | 14 mm Tapered Seat | |
| 1984 | Chevrolet | B60 | V8 366 6.0L | 14 mm Tapered Seat | |
| 1984 | Chevrolet | B60 | V8 427 7.0L | 14 mm Tapered Seat | |
| 1984 | Chevrolet | C10 | L6 250 4.1L | 14 mm Tapered Seat | |
| 1984 | Chevrolet | C10 | V8 305 5.0L | 14 mm Tapered Seat | |
| 1984 | Chevrolet | C10 | V8 350 5.7L | 14 mm Tapered Seat | |
| 1984 | Chevrolet | C10 Suburban | V8 305 5.0L | 14 mm Tapered Seat | |
| 1984 | Chevrolet | C10 Suburban | V8 350 5.7L | 14 mm Tapered Seat | |
| 1984 | Chevrolet | C20 | L6 250 4.1L | 14 mm Tapered Seat | |
| 1984 | Chevrolet | C20 | L6 292 4.8L | 14 mm Tapered Seat | |
| 1984 | Chevrolet | C20 | V8 305 5.0L | 14 mm Tapered Seat | |
| 1984 | Chevrolet | C20 | V8 350 5.7L | 14 mm Tapered Seat | |
| 1984 | Chevrolet | C20 | V8 454 7.4L | 14 mm Tapered Seat | |
| 1984 | Chevrolet | C20 Suburban | V8 305 5.0L | 14 mm Tapered Seat | |
| 1984 | Chevrolet | C20 Suburban | V8 350 5.7L | 14 mm Tapered Seat | |
| 1984 | Chevrolet | C20 Suburban | V8 454 7.4L | 14 mm Tapered Seat | |
| 1984 | Chevrolet | C30 | L6 292 4.8L | 14 mm Tapered Seat | |
| 1984 | Chevrolet | C30 | V8 350 5.7L | 14 mm Tapered Seat | |
| 1984 | Chevrolet | C30 | V8 454 7.4L | 14 mm Tapered Seat | |
| 1984 | Chevrolet | C50 | L6 292 4.8L | 14 mm Tapered Seat | |
| 1984 | Chevrolet | C60 | L6 292 4.8L | 14 mm Tapered Seat | |
| 1984 | Chevrolet | C60 | V8 366 6.0L | 14 mm Tapered Seat | |
| 1984 | Chevrolet | C70 | V8 366 6.0L | 14 mm Tapered Seat | |
| 1984 | Chevrolet | C70 | V8 427 7.0L | 14 mm Tapered Seat | |
| 1984 | Chevrolet | Camaro | L4 151 2.5L (2474cc) | 14 mm Tapered Seat | |
| 1984 | Chevrolet | Camaro | V6 173 2.8L | 14 mm Tapered Seat | |
| 1984 | Chevrolet | Camaro | V8 305 5.0L | 14 mm Tapered Seat | |
| 1984 | Chevrolet | Caprice | V6 229 3.8L; VIN 9 | 14 mm Tapered Seat | |
| 1984 | Chevrolet | Caprice | V6 231 3.8L (3800cc) | 14 mm Tapered Seat | |
| 1984 | Chevrolet | Caprice | V8 305 5.0L | 14 mm Tapered Seat | |
| 1984 | Chevrolet | Caprice | V8 350 5.7L | 14 mm Tapered Seat | |
| 1984 | Chevrolet | Cavalier | L4 122 2.0L | 14 mm Tapered Seat | |
| 1984 | Chevrolet | Celebrity | L4 151 2.5L (2474cc) | 14 mm Tapered Seat | |
| 1984 | Chevrolet | Celebrity | V6 173 2.8L | 14 mm Tapered Seat | |
| 1984 | Chevrolet | Chevette | L4 98 1.6L | 14 mm Tapered Seat | |
| 1984 | Chevrolet | Citation II | L4 151 2.5L (2474cc) | 14 mm Tapered Seat | |
| 1984 | Chevrolet | Citation II | V6 173 2.8L | 14 mm Tapered Seat | |
| 1984 | Chevrolet | El Camino | V6 229 3.8L; VIN 9 | 14 mm Tapered Seat | |