The Apex Cylinder Head Bolt Set (part number AHB378) provides the torque-to-yield cylinder head bolts for 1980-2000 Chevrolet and GMC vehicles with 7.4L engines. Head bolts stretch when torqued and should be replaced whenever the cylinder head is removed.
Vehicle Fitment:
| Make | Model | Years | Engine |
| Chevrolet | C10 | 1980 | 7.4L V8 |
| Chevrolet | C10 Suburban | 1980 | 7.4L V8 |
| Chevrolet | C1500 | 1990-1993 | 7.4L V8 |
| Chevrolet | C20 | 1980-1986 | 7.4L V8 |
| Chevrolet | C20 Suburban | 1980-1986 | 7.4L V8 |
| Chevrolet | C2500 | 1991-2000 | 7.4L V8 |
| Chevrolet | C2500 Suburban | 1992-1999 | 7.4L V8 |
| Chevrolet | C30 | 1980-1986 | 7.4L V8 |
| Chevrolet | C3500 | 1988-2000 | 7.4L V8 |
| Chevrolet | Express 3500 | 1996-2000 | 7.4L V8 |
| Chevrolet | G30 | 1988-1996 | 7.4L V8 |
| Chevrolet | K10 | 1980 | 7.4L V8 |
| Chevrolet | K20 Suburban | 1985 | 7.4L V8 |
| Chevrolet | K2500 | 1991-2000 | 7.4L V8 |
| Chevrolet | K2500 Suburban | 1992-1999 | 7.4L V8 |
| Chevrolet | K30 | 1980-1986 | 7.4L V8 |
| Chevrolet | K3500 | 1988-2000 | 7.4L V8 |
| Chevrolet | P30 | 1980-1999 | 7.4L V8 |
| Chevrolet | R20 | 1987-1988 | 7.4L V8 |
| Chevrolet | R20 Suburban | 1987-1988 | 7.4L V8 |
| Chevrolet | R2500 | 1989 | 7.4L V8 |
| Chevrolet | R2500 Suburban | 1989-1991 | 7.4L V8 |
| Chevrolet | R30 | 1987-1988 | 7.4L V8 |
| Chevrolet | R3500 | 1989-1991 | 7.4L V8 |
| Chevrolet | V20 Suburban | 1987-1988 | 7.4L V8 |
| Chevrolet | V2500 Suburban | 1990 | 7.4L V8 |
| Chevrolet | V30 | 1987-1988 | 7.4L V8 |
| Chevrolet | V3500 | 1989-1991 | 7.4L V8 |
| GMC | C1500 | 1980 | 7.4L V8 |
| GMC | C1500 Suburban | 1980 | 7.4L V8 |
| GMC | C2500 | 1980-2000 | 7.4L V8 |
| GMC | C2500 Suburban | 1980-1999 | 7.4L V8 |
| GMC | C3500 | 1980-2000 | 7.4L V8 |
| GMC | G3500 | 1988-1996 | 7.4L V8 |
| GMC | K1500 | 1980 | 7.4L V8 |
| GMC | K2500 | 1991-2000 | 7.4L V8 |
| GMC | K2500 Suburban | 1992-1999 | 7.4L V8 |
| GMC | K3500 | 1980-2000 | 7.4L V8 |
| GMC | P3500 | 1980-1999 | 7.4L V8 |
| GMC | R2500 | 1987-1989 | 7.4L V8 |
| GMC | R2500 Suburban | 1987-1991 | 7.4L V8 |
| GMC | R3500 | 1987-1991 | 7.4L V8 |
| GMC | Savana 3500 | 1996-2000 | 7.4L V8 |
| GMC | V3500 | 1987-1991 | 7.4L V8 |
Interchanges With: Fel-Pro ES72264
WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or reproductive harm.
