| Year | Make | Model | Configuration | Positions | Application Notes |
|---|---|---|---|---|---|
| << < 18 19 20 21 22 23 24 25 26 27 > >> | |||||
| 1989 | GMC | R3500 | V8 454 7.4L | 14 mm Tapered Seat | |
| 1989 | GMC | S15 | 14 mm Tapered Seat | ||
| 1989 | GMC | S15 Jimmy | 14 mm Tapered Seat | ||
| 1989 | GMC | Safari | 14 mm Tapered Seat | ||
| 1989 | GMC | V1500 Suburban | V8 350 5.7L | 14 mm Tapered Seat | |
| 1989 | GMC | V2500 Suburban | V8 350 5.7L | 14 mm Tapered Seat | |
| 1989 | GMC | V3500 | V8 350 5.7L; VIN K | 14 mm Tapered Seat | |
| 1989 | GMC | V3500 | V8 454 7.4L | 14 mm Tapered Seat | |
| 1989 | Isuzu | Trooper | V6 2.8L (2827cc) | 14 mm Tapered Seat | |
| 1989 | Lincoln | Mark VII | 14 mm Tapered Seat | ||
| 1989 | Oldsmobile | Cutlass Ciera | L4 151 2.5L (2474cc) | 14 mm Tapered Seat | |
| 1989 | Pontiac | 6000 | L4 151 2.5L (2474cc) | 14 mm Tapered Seat | |
| 1989 | Pontiac | Firebird | Turbocharged | 14 mm Tapered Seat | |
| 1989 | Pontiac | Firebird | V6 173 2.8L | 14 mm Tapered Seat | |
| 1989 | Pontiac | Firebird | V8 305 5.0L | 14 mm Tapered Seat | |
| 1989 | Pontiac | Grand Am | L4 151 2.5L (2474cc) | 14 mm Tapered Seat | |
| 1988 | Buick | Century | L4 151 2.5L (2474cc); VIN R | 14 mm Tapered Seat | |
| 1988 | Buick | Skylark | L4 151 2.5L (2474cc); VIN U | 14 mm Tapered Seat | |
| 1988 | Chevrolet | Astro | L4 151 2.5L (2474cc) | 14 mm Tapered Seat | |
| 1988 | Chevrolet | Astro | V6 262 4.3L | 14 mm Tapered Seat | |
| 1988 | Chevrolet | B60 | V8 366 6.0L | 14 mm Tapered Seat | |
| 1988 | Chevrolet | Blazer | V8 350 5.7L; VIN K | 14 mm Tapered Seat | |
| 1988 | Chevrolet | C1500 | V6 262 4.3L | 14 mm Tapered Seat | |
| 1988 | Chevrolet | C1500 | V8 305 5.0L; VIN H | 14 mm Tapered Seat | |
| 1988 | Chevrolet | C1500 | V8 350 5.7L; VIN K | 14 mm Tapered Seat | |
| 1988 | Chevrolet | C2500 | V6 262 4.3L | 14 mm Tapered Seat | |
| 1988 | Chevrolet | C2500 | V8 305 5.0L; VIN H | 14 mm Tapered Seat | |
| 1988 | Chevrolet | C2500 | V8 350 5.7L; VIN K | 14 mm Tapered Seat | |
| 1988 | Chevrolet | C3500 | V8 350 5.7L; VIN K | 14 mm Tapered Seat | |
| 1988 | Chevrolet | C3500 | V8 454 7.4L | 14 mm Tapered Seat | |
| 1988 | Chevrolet | C60 | V8 366 6.0L | 14 mm Tapered Seat | |
| 1988 | Chevrolet | C70 | V8 366 6.0L | 14 mm Tapered Seat | |
| 1988 | Chevrolet | C70 | V8 427 7.0L | 14 mm Tapered Seat | |
| 1988 | Chevrolet | Camaro | V6 173 2.8L; VIN S | 14 mm Tapered Seat | |
| 1988 | Chevrolet | Camaro | V8 305 5.0L | 14 mm Tapered Seat | |
| 1988 | Chevrolet | Camaro | V8 350 5.7L | 14 mm Tapered Seat | |
| 1988 | Chevrolet | Caprice | V6 262 4.3L; VIN Z | 14 mm Tapered Seat | |
| 1988 | Chevrolet | Caprice | V8 305 5.0L | 14 mm Tapered Seat | |
| 1988 | Chevrolet | Caprice | V8 350 5.7L | 14 mm Tapered Seat | |
| 1988 | Chevrolet | Celebrity | L4 151 2.5L (2474cc) | 14 mm Tapered Seat | |
| 1988 | Chevrolet | Corvette | V8 350 5.7L | 14 mm Tapered Seat | |
| 1988 | Chevrolet | G10 | V6 262 4.3L | 14 mm Tapered Seat | |
| 1988 | Chevrolet | G10 | V8 305 5.0L; VIN H | 14 mm Tapered Seat | |
| 1988 | Chevrolet | G10 | V8 350 5.7L; VIN K | 14 mm Tapered Seat | |
| 1988 | Chevrolet | G20 | V6 262 4.3L | 14 mm Tapered Seat | |
| 1988 | Chevrolet | G20 | V8 305 5.0L; VIN H | 14 mm Tapered Seat | |
| 1988 | Chevrolet | G20 | V8 350 5.7L; VIN K | 14 mm Tapered Seat | |
| 1988 | Chevrolet | G30 | V6 262 4.3L | 14 mm Tapered Seat | |
| 1988 | Chevrolet | G30 | V8 350 5.7L; VIN K | 14 mm Tapered Seat | |
| 1988 | Chevrolet | G30 | V8 350 5.7L; VIN M | 14 mm Tapered Seat | |