Cometic Gasket Inc. header bolts are perfect for header applications where space is limited. Our bolts have a combination of 6pt socket and 6pt allen head configurations for ease of installation.
Header Bolts 3/8-16 3/4in.; Grade 5 Black Oxide Finish With Hex and Socket Head
- Both Socket and Hex Head Bolts
Vehicle Fitment
| Years | Make | Model | Trim |
|---|---|---|---|
| 1980–1985, 1987–1991 | Avanti | II | Base |
| 1985 | Avanti | II | GT |
| 1980 | Buick | Century | |
| 1980–1981 | Buick | Century | Base |
| 1980–1981 | Buick | Century | Limited |
| 1991–1993 | Buick | Commercial Chassis | Base |
| 1982 | Buick | Lesabre | Custom |
| 1982 | Buick | Lesabre | Limited |
| 1980–1987 | Buick | Regal | Base |
| 1982–1983 | Buick | Regal | Estate Wagon |
| 1980–1983, 1985–1987 | Buick | Regal | Limited |
| 1992–1993 | Buick | Roadmaster | Base |
| 1991–1993 | Buick | Roadmaster | Estate Wagon |
| 1992–1993 | Buick | Roadmaster | Limited |
| 1985 | Buick | Somerset Regal | Base |
| 1985 | Buick | Somerset Regal | Limited |
| 1980–1982 | Checker | Marathon | Base |
| 1980–1982 | Checker | Marathon | Deluxe |
| 1980 | Chevrolet | C10 | BIG TEN |
| 1980–1981 | Chevrolet | C10 | Cheyenne |
| 1981–1986 | Chevrolet | C10 | Custom |
| 1980 | Chevrolet | C10 | Custom Deluxe |
| 1981 | Chevrolet | C10 | Deluxe |
| 1980–1986 | Chevrolet | C10 | Scottsdale |
| 1980–1986 | Chevrolet | C10 | Silverado |
| 1981–1986 | Chevrolet | C10 Suburban | Custom |
| 1980 | Chevrolet | C10 Suburban | Custom Deluxe |
| 1981 | Chevrolet | C10 Suburban | Deluxe |
| 1980, 1982, 1984–1986 | Chevrolet | C10 Suburban | Scottsdale |
| 1980, 1982–1986 | Chevrolet | C10 Suburban | Silverado |
| 1996–1997 | Chevrolet | C1500 | Base |
| 1996–1998 | Chevrolet | C1500 | Cheyenne |
| 1999 | Chevrolet | C1500 | LS |
| 1996–1998 | Chevrolet | C1500 | Silverado |
| 1996–1998 | Chevrolet | C1500 | WT |
| 1996–1997 | Chevrolet | C1500 Suburban | Base |
| 1999 | Chevrolet | C1500 Suburban | LS |
| 1980–1981 | Chevrolet | C20 | Cheyenne |
| 1981–1986 | Chevrolet | C20 | Custom |
| 1980 | Chevrolet | C20 | Custom Deluxe |
| 1981 | Chevrolet | C20 | Deluxe |
| 1980–1986 | Chevrolet | C20 | Scottsdale |
| 1980–1986 | Chevrolet | C20 | Silverado |
| 1981–1986 | Chevrolet | C20 Suburban | Custom |
| 1980 | Chevrolet | C20 Suburban | Custom Deluxe |
| 1981 | Chevrolet | C20 Suburban | Deluxe |
| 1980, 1982, 1984–1986 | Chevrolet | C20 Suburban | Scottsdale |
| 1980, 1982–1986 | Chevrolet | C20 Suburban | Silverado |
| 1996–1997, 1999 | Chevrolet | C2500 | Base |
| 1996–1998 | Chevrolet | C2500 | Cheyenne |
| 1999 | Chevrolet | C2500 | LS |
| 1996–1998 | Chevrolet | C2500 | Silverado |
| 1998 | Chevrolet | C2500 | WT |
| 1996–1997, 1999 | Chevrolet | C2500 Suburban | Base |
| 1999 | Chevrolet | C2500 Suburban | LS |
| 1980–1981 | Chevrolet | C30 | Cheyenne |
| 1981–1986 | Chevrolet | C30 | Custom |
| 1980 | Chevrolet | C30 | Custom Deluxe |
| 1981 | Chevrolet | C30 | Deluxe |
| 1980–1986 | Chevrolet | C30 | Scottsdale |
| 1980–1986 | Chevrolet | C30 | Silverado |
| 1980–1986 | Chevrolet | Camaro | |
| 1980 | Chevrolet | Camaro | Base |
| 1980–1986 | Chevrolet | Camaro | Berlinetta |
| 1985–1986 | Chevrolet | Camaro | Iroc-Z |
| 1980 | Chevrolet | Camaro | Rally Sport |
| 1981–1986 | Chevrolet | Camaro | Sport |
| 1982 | Chevrolet | Camaro | Z28 Indianapolis 500 Pace CAR |
| 1986 | Chevrolet | Caprice | Base |
| 1980–1986 | Chevrolet | Caprice | Classic |
| 1986 | Chevrolet | Caprice | Classic Brougham |
| 1981–1982 | Chevrolet | Caprice | Classic Estate |
| 1980–1981 | Chevrolet | Caprice | Classic Landau |
| 1980 | Chevrolet | Caprice | Classic Sport |
| 1980–1982, 1984–1986 | Chevrolet | Corvette | Base |
| 1982 | Chevrolet | Corvette | Collector's Edition |
| 1986 | Chevrolet | Corvette | Indianapolis 500 Pace CAR |
| 1980–1986 | Chevrolet | EL Camino | Base |
| 1981–1986 | Chevrolet | EL Camino | Conquista |
| 1980–1981 | Chevrolet | EL Camino | Royal Knight |
| 1980–1986 | Chevrolet | EL Camino | SS |
| 1996–2002 | Chevrolet | Express 1500 | Base |
| 1996–2002 | Chevrolet | Express 1500 | LS |
| 2001–2002 | Chevrolet | Express 1500 | LT |
| 1996–2002 | Chevrolet | Express 2500 | Base |
| 1996–2002 | Chevrolet | Express 2500 | LS |
| 1983 | Chevrolet | G10 | Base |
| 1980–1986 | Chevrolet | G10 | Beauville |
| 1981–1984, 1986 | Chevrolet | G10 | Bonaventure |
| 1980–1986 | Chevrolet | G10 | Chevy VAN |
| 1980–1986 | Chevrolet | G10 | Sportvan |
| 1980–1986 | Chevrolet | G20 | Beauville |
| 1983–1984 | Chevrolet | G20 | Bonaventure |
| 1980–1986 | Chevrolet | G20 | Chevy VAN |
| 1980–1981 | Chevrolet | G20 | Nomad |
| 1980–1986 | Chevrolet | G20 | Sportvan |
| 1980–1986 | Chevrolet | G30 | Beauville |
| 1983–1984 | Chevrolet | G30 | Bonaventure |
| 1980–1986 | Chevrolet | G30 | Chevy VAN |
| 1980–1986 | Chevrolet | G30 | HI-Cube |
| 1980–1986 | Chevrolet | G30 | Sportvan |
| 1981–1982 | Chevrolet | Impala | |
| 1980–1985 | Chevrolet | Impala | Base |
| 1980 | Chevrolet | Impala | Sport |
| 1980–1981 | Chevrolet | K10 | Cheyenne |
| 1981–1986 | Chevrolet | K10 | Custom |
| 1980 | Chevrolet | K10 | Custom Deluxe |
| 1981 | Chevrolet | K10 | Deluxe |
| 1980–1986 | Chevrolet | K10 | Scottsdale |
| 1980–1986 | Chevrolet | K10 | Silverado |
| 1981–1986 | Chevrolet | K10 Suburban | Custom |
| 1980 | Chevrolet | K10 Suburban | Custom Deluxe |
| 1981 | Chevrolet | K10 Suburban | Deluxe |
| 1980, 1982, 1984–1986 | Chevrolet | K10 Suburban | Scottsdale |
| 1980, 1982–1983, 1985–1986 | Chevrolet | K10 Suburban | Silverado |
| 1996–1997 | Chevrolet | K1500 | Base |
| 1996–1998 | Chevrolet | K1500 | Cheyenne |
| 1999 | Chevrolet | K1500 | LS |
| 1996–1998 | Chevrolet | K1500 | Silverado |
| 1996–1998 | Chevrolet | K1500 | WT |
| 1996–1997 | Chevrolet | K1500 Suburban | Base |
| 1999 | Chevrolet | K1500 Suburban | LS |
| 1980–1981 | Chevrolet | K20 | Cheyenne |
| 1981–1986 | Chevrolet | K20 | Custom |
| 1980 | Chevrolet | K20 | Custom Deluxe |
| 1981 | Chevrolet | K20 | Deluxe |
| 1980–1986 | Chevrolet | K20 | Scottsdale |
| 1980–1983, 1985–1986 | Chevrolet | K20 | Silverado |
| 1981–1986 | Chevrolet | K20 Suburban | Custom |
| 1980 | Chevrolet | K20 Suburban | Custom Deluxe |
| 1981 | Chevrolet | K20 Suburban | Deluxe |
| 1980, 1982, 1984–1986 | Chevrolet | K20 Suburban | Scottsdale |
| 1980, 1982–1983, 1985–1986 | Chevrolet | K20 Suburban | Silverado |
| 1998 | Chevrolet | K2500 | Cheyenne |
| 1997–1998 | Chevrolet | K2500 | Silverado |
| 1998 | Chevrolet | K2500 | WT |
| 1980–1981 | Chevrolet | K30 | Cheyenne |
| 1981–1986 | Chevrolet | K30 | Custom |
| 1980 | Chevrolet | K30 | Custom Deluxe |
| 1981 | Chevrolet | K30 | Deluxe |
| 1980–1986 | Chevrolet | K30 | Scottsdale |
| 1980–1986 | Chevrolet | K30 | Silverado |
| 1980 | Chevrolet | K5 Blazer | Cheyenne |
| 1981–1986 | Chevrolet | K5 Blazer | Custom |
| 1980 | Chevrolet | K5 Blazer | Custom Deluxe |
| 1981 | Chevrolet | K5 Blazer | Deluxe |
| 1984 | Chevrolet | K5 Blazer | Scottsdale |
| 1980–1986 | Chevrolet | K5 Blazer | Silverado |
| 1980 | Chevrolet | Malibu | |
| 1980–1981 | Chevrolet | Malibu | Base |
| 1980–1983 | Chevrolet | Malibu | Classic |
| 1980 | Chevrolet | Malibu | Classic Estate |
| 1980–1981 | Chevrolet | Malibu | Classic Landau |
| 1980 | Chevrolet | Malibu | Classic Sport |
| 1980 | Chevrolet | Malibu | Sport |
| 1981–1986 | Chevrolet | Monte Carlo | Base |
| 1983 | Chevrolet | Monte Carlo | CL |
| 1980–1981 | Chevrolet | Monte Carlo | Landau |
| 1986 | Chevrolet | Monte Carlo | LS |
| 1980 | Chevrolet | Monte Carlo | Sport |
| 1983–1986 | Chevrolet | Monte Carlo | SS |
| 1985 | Excalibur | Phaeton | Anniversary |
| 1983–1984, 1986–1989 | Excalibur | Phaeton | Base |
| 1980–1986 | GMC | C1500 | Base |
| 1980 | GMC | C1500 | Heavy Half |
| 1980–1986 | GMC | C1500 | High Sierra |
| 1980–1986 | GMC | C1500 | Sierra Classic |
| 1980–1982 | GMC | C1500 | Sierra Grande |
| 1997 | GMC | C1500 | Sierra GT |
| 1996–1999 | GMC | C1500 | Sierra SL |
| 1996–1999 | GMC | C1500 | Sierra SLE |
| 1996–1999 | GMC | C1500 | Sierra SLT |
| 1996–1998 | GMC | C1500 | Sierra Special |
| 1980–1982 | GMC | C1500 | Street Coupe |
| 1980–1986 | GMC | C1500 Suburban | Base |
| 1980–1986 | GMC | C1500 Suburban | High Sierra |
| 1980–1986 | GMC | C1500 Suburban | Sierra Classic |
| 1980–1982 | GMC | C1500 Suburban | Sierra Grande |
| 1980–1986 | GMC | C2500 | Base |
| 1980–1986 | GMC | C2500 | High Sierra |
| 1980–1986 | GMC | C2500 | Sierra Classic |
| 1980–1982 | GMC | C2500 | Sierra Grande |
| 1996–1999 | GMC | C2500 | Sierra SL |
| 1996–1999 | GMC | C2500 | Sierra SLE |
| 1996–1999 | GMC | C2500 | Sierra SLT |
| 1980–1986 | GMC | C2500 Suburban | Base |
| 1980–1986 | GMC | C2500 Suburban | High Sierra |
| 1980–1986 | GMC | C2500 Suburban | Sierra Classic |
| 1980–1982 | GMC | C2500 Suburban | Sierra Grande |
| 1980–1986 | GMC | C3500 | Base |
| 1980–1986 | GMC | C3500 | High Sierra |
| 1980–1986 | GMC | C3500 | Sierra Classic |
| 1980–1982 | GMC | C3500 | Sierra Grande |
| 1981–1986 | GMC | Caballero | Amarillo |
| 1980–1986 | GMC | Caballero | Base |
| 1981 | GMC | Caballero | Conquista |
| 1980–1986 | GMC | Caballero | Diablo |
| 1980 | GMC | Caballero | Laredo |
| 1981 | GMC | Caballero | Royal Knight |
| 1980–1986 | GMC | G1500 | Rally |
| 1983–1984 | GMC | G1500 | Rally Custom |
| 1980–1986 | GMC | G1500 | Rally STX |
| 1980–1986 | GMC | G1500 | Vandura |
| 1980–1986 | GMC | G2500 | Rally |
| 1983–1984 | GMC | G2500 | Rally Custom |
| 1980–1986 | GMC | G2500 | Rally STX |
| 1980–1986 | GMC | G2500 | Vandura |
| 1980–1986, 1988 | GMC | G3500 | Magnavan |
| 1980–1986 | GMC | G3500 | Rally |
| 1980–1986 | GMC | G3500 | Rally Camper Special |
| 1981–1988 | GMC | G3500 | Rally Custom |
| 1980–1986 | GMC | G3500 | Rally STX |
| 1980–1986 | GMC | G3500 | Vandura |
| 1980–1986 | GMC | G3500 | Vandura Special |
| 1980–1986 | GMC | Jimmy | Base |
| 1980–1985 | GMC | Jimmy | High Sierra |
| 1980–1986 | GMC | Jimmy | Sierra Classic |
| 1980–1982 | GMC | Jimmy | Sierra Grande |
| 1980–1982 | GMC | Jimmy | Street Coupe |
| 1980–1986 | GMC | K1500 | Base |
| 1980–1986 | GMC | K1500 | High Sierra |
| 1980–1986 | GMC | K1500 | Sierra Classic |
| 1980–1982 | GMC | K1500 | Sierra Grande |
| 1996–1999 | GMC | K1500 | Sierra SL |
| 1996–1999 | GMC | K1500 | Sierra SLE |
| 1996–1999 | GMC | K1500 | Sierra SLT |
| 1995–1998 | GMC | K1500 | Sierra Special |
| 1980–1986 | GMC | K1500 Suburban | Base |
| 1980–1986 | GMC | K1500 Suburban | High Sierra |
| 1980–1986 | GMC | K1500 Suburban | Sierra Classic |
| 1980–1982 | GMC | K1500 Suburban | Sierra Grande |
| 1980–1986 | GMC | K2500 | Base |
| 1980–1986 | GMC | K2500 | High Sierra |
| 1980–1986 | GMC | K2500 | Sierra Classic |
| 1980–1982 | GMC | K2500 | Sierra Grande |
| 1998 | GMC | K2500 | Sierra SL |
| 1998 | GMC | K2500 | Sierra SLE |
| 1998 | GMC | K2500 | Sierra SLT |
| 1980–1986 | GMC | K2500 Suburban | Base |
| 1980–1986 | GMC | K2500 Suburban | High Sierra |
| 1980–1986 | GMC | K2500 Suburban | Sierra Classic |
| 1980–1982 | GMC | K2500 Suburban | Sierra Grande |
| 1980–1986 | GMC | K3500 | Base |
| 1980–1986 | GMC | K3500 | High Sierra |
| 1980–1986 | GMC | K3500 | Sierra Classic |
| 1980–1982 | GMC | K3500 | Sierra Grande |
| 1983–1986 | GMC | S15 Jimmy | Base |
| 1985 | GMC | S15 Jimmy | High Sierra |
| 1983–1986 | GMC | S15 Jimmy | Sierra Classic |
| 1996–2002 | GMC | Savana 1500 | Base |
| 1996–2000 | GMC | Savana 1500 | SLE |
| 2001–2002 | GMC | Savana 1500 | SLT |
| 1996–2002 | GMC | Savana 2500 | Base |
| 1996–2000 | GMC | Savana 2500 | SLE |
| 2002 | GMC | Savana 2500 | SLT |
| 1980 | Oldsmobile | Cutlass | Base |
| 1980–1981 | Oldsmobile | Cutlass | Brougham |
| 1980–1981 | Oldsmobile | Cutlass | LS |
| 1980, 1982, 1984 | Oldsmobile | Cutlass Calais | Base |
| 1980, 1982–1983 | Oldsmobile | Cutlass Cruiser | Base |
| 1980–1981 | Oldsmobile | Cutlass Cruiser | Brougham |
| 1980 | Oldsmobile | Cutlass Salon | Base |
| 1980 | Oldsmobile | Cutlass Salon | Brougham |
| 1980, 1982–1983, 1985–1986 | Oldsmobile | Cutlass Supreme | Base |
| 1980–1982 | Oldsmobile | Cutlass Supreme | Brougham |
| 1981 | Oldsmobile | Cutlass Supreme | LS |
| 1982 | Oldsmobile | Delta 88 | Base |
| 1981–1982 | Oldsmobile | Delta 88 | Royale |
| 1981–1982 | Oldsmobile | Delta 88 | Royale Brougham |
| 1983–1986 | Pontiac | Bonneville | Base |
| 1983–1986 | Pontiac | Bonneville | Brougham |
| 1984–1986 | Pontiac | Bonneville | LE |
| 1980–1981 | Pontiac | Catalina | Base |
| 1980–1981 | Pontiac | Catalina | Safari |
| 1980–1986 | Pontiac | Firebird | Base |
| 1980–1981 | Pontiac | Firebird | Esprit |
| 1980–1981 | Pontiac | Firebird | Formula |
| 1982–1986 | Pontiac | Firebird | S/E |
| 1980–1986 | Pontiac | Firebird | Trans AM |
| 1980 | Pontiac | Grand AM | Base |
| 1980–1981 | Pontiac | Grand Lemans | Base |
| 1980–1981 | Pontiac | Grand Lemans | Safari |
| 1980–1986 | Pontiac | Grand Prix | Base |
| 1981–1986 | Pontiac | Grand Prix | Brougham |
| 1984–1986 | Pontiac | Grand Prix | LE |
| 1980–1983 | Pontiac | Grand Prix | LJ |
| 1980 | Pontiac | Grand Prix | SJ |
| 1980–1981 | Pontiac | Lemans | Base |
| 1980–1981 | Pontiac | Lemans | Safari |
| 1983–1986 | Pontiac | Parisienne | Base |
| 1983–1986 | Pontiac | Parisienne | Brougham |
| Air Freight Prohibited: false |
| Not Carb Approved: false |
| Carb Acknowledgement Required: false |
| Ltl Freight Required: false |
| Prop 65: Y |
| Part Type: automotive |
| Epa: N/A |
| Regular Stock: false |
| Units Per Sku: 1 |
No fitment data available for this product.
This product is covered by the manufacturer's warranty against product defects and missing components in the package. To file a claim, use the brand-specific links on our warranty page.
Recently Viewed
About Us
We are a group of dedicated car enthusiasts who have a passion for all things automotive.
Our love for cars started at a young age and has only grown stronger over time. We believe that everyone should have the opportunity to experience the thrill and excitement that comes with driving a well-crafted vehicle.
We work on all types of cars. If you're in the area, feel free to stop by and say hi. We love meeting fellow car lovers and spreading our passion to everyone we meet. Don't forget to follow or tag us on social media: Instagram/ Tiktok