OHV, 16 Valves, Carb & FI, NaturallyAspirated, Gas, HDE:(HighDurability Engine),4 Bolt Mains, With TimingCover, Oil Pan & BoltThruCenter ValveCovers, UP TO8500 GVW &Up to 8500GVW

| Blk cast | 148, 548, 638, 727, 880, High Durabilty Build |
|---|---|
| Block | Long Block |
| Cylinder | V8 |
| Eng pn | CH1830 |
| Eng type | Auto |
| Liter cid | 5.7 / 350 |
| Model | C, K Series Trucks, C3500HD, G Series Vans, P Series, Suburban |
| Vin | K, M |
| Yr | 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996 |