OHV, 12Valves,FI,Naturally Aspirated, Gas, LF6 H.O. Engine, Balance Shaft Cast #542, Detonation Sensor in Head&Rear of Block, SAE ThreadBlock

| Blk cast | 90 |
|---|---|
| Block | Long Block |
| Cylinder | V6 |
| Eng pn | CH1120 |
| Eng type | Truck / SUV |
| Liter cid | 4.3 / 262 |
| Model | S, T Series (Pickup, Blazer) |
| Vin | X |
| Yr | 1996, 1997, 1998, 1999 |