PROFORM Wedge-Locking Header Bolts ELIMINATE the need to constantly re-tighten collector bolts, and without the need for clips, pins, racing-wire, chemicals or gunk. The secret is in the Wedge-Locking Washer's super-hardened external teeth that "bite" into the bottom of the bolt head and the top flange surface. Vibrations that normally cause other bolts to loosen, are blocked by the wedge-locking action that uses tension, instead of friction to stay snug. In fact, contact with oil actually facilitates the effect. Installs/uninstalls with a normal wrench, lubricate, and then reuse. Each set comes with twelve Hex Head, Grade 8 (12.9) steel bolts (3/8"-16 thread, 3/4" long) with a black oxide finish, and pre-assembled Wedge-Locking Washers.
Material: Steel · Colour: Black Oxide · Weight: 0.65 lb
Proform Wedge-Locking Header Bolts Hex Head 3/8 dia. X 3/4in Black Oxide 12 Pcs — 4" (66827)
Compatibilité véhicule
Compatibilité estimée — vérifiez avant l’achat| Années | Marque | Modèle |
|---|---|---|
| 1974 | Chevrolet | C10 Pickup |
| 1974 | Chevrolet | C20 Pickup |
| 1974 | Chevrolet | C30 Pickup |
| 1974 | Chevrolet | K10 Pickup |
| 1974 | Chevrolet | K20 Pickup |
| 1974 | Chevrolet | K30 Pickup |
| 1974 | Chevrolet | P20 Van |
| 1974 | Chevrolet | P30 Van |
| 1974–1975 | Chevrolet | Bel Air |
| 1974–1976 | Chevrolet | C10 Suburban |
| 1974–1976 | Chevrolet | C20 Suburban |
| 1974–1976 | Chevrolet | Impala |
| 1974–1976 | Chevrolet | K10 Suburban |
| 1974–1976 | Chevrolet | Monte Carlo |
| 1974–1976 | Chevrolet | Nova |
| 1974–1978 | Chevrolet | C50 |
| 1974–1978 | Chevrolet | Camaro |
| 1974–1978 | Chevrolet | Caprice |
| 1974–1978 | Chevrolet | K20 Suburban |
| 1975 | Chevrolet | Malibu |
| 1975 | Chevrolet | P10 |
| 1975–1976 | Chevrolet | C20 |
| 1975–1976 | Chevrolet | C30 |
| 1975–1976 | Chevrolet | Corvette |
| 1975–1976 | Chevrolet | El Camino |
| 1975–1976 | Chevrolet | K10 |
| 1975–1976 | Chevrolet | Monza |
| 1975–1976 | Chevrolet | P20 |
| 1975–1976 | Chevrolet | P30 |
| 1975–1978 | Chevrolet | C10 |
| 1975–1978 | Chevrolet | C60 |
| 1975–1978 | Chevrolet | G10 |
| 1975–1978 | Chevrolet | G20 |
| 1975–1978 | Chevrolet | G30 |
| 1975–1978 | Chevrolet | K20 |
| 1975–1978 | Chevrolet | K5 Blazer |
| 1977–1978 | Chevrolet | K30 |
| 1978 | Chevrolet | C10 Suburban |
| 1978 | Chevrolet | C20 |
| 1978 | Chevrolet | C20 Suburban |
| 1978 | Chevrolet | C30 |
| 1978 | Chevrolet | Corvette |
| 1978 | Chevrolet | El Camino |
| 1978 | Chevrolet | Impala |
| 1978 | Chevrolet | K10 |
| 1978 | Chevrolet | K10 Suburban |
| 1978 | Chevrolet | Malibu |
| 1978 | Chevrolet | Monte Carlo |
| 1978 | Chevrolet | Monza |
| 1978 | Chevrolet | Nova |
| 1978 | Chevrolet | P10 |
| 1978 | Chevrolet | P20 |
| 1978 | Chevrolet | P30 |
| 1980 | Chevrolet | Caprice |
| 1980 | Chevrolet | Monte Carlo |
| 1980–1982 | Chevrolet | Corvette |
| 1980–1985 | Chevrolet | Impala |
| 1980–1986 | Chevrolet | C10 |
| 1980–1986 | Chevrolet | C10 Suburban |
| 1980–1987 | Chevrolet | C20 |
| 1981–1986 | Chevrolet | C20 Suburban |
| 1981–1986 | Chevrolet | C30 |
| 1981–1986 | Chevrolet | K10 |
| 1981–1986 | Chevrolet | K10 Suburban |
| 1981–1986 | Chevrolet | K20 |
| 1981–1986 | Chevrolet | K20 Suburban |
| 1981–1987 | Chevrolet | El Camino |
| 1981–1989 | Chevrolet | P20 |
| 1981–1990 | Chevrolet | B60 |
| 1981–1994 | Chevrolet | G10 |
| 1981–1999 | Chevrolet | P30 |
| 1982–1983 | Chevrolet | Malibu |
| 1982–1985 | Chevrolet | C15 |
| 1982–1985 | Chevrolet | Celebrity |
| 1982–1986 | Chevrolet | K30 |
| 1982–1986 | Chevrolet | K5 Blazer |
| 1982–1988 | Chevrolet | Monte Carlo |
| 1982–1990 | Chevrolet | C50 |
| 1982–1990 | Chevrolet | C60 |
| 1982–1994 | Chevrolet | Camaro |
| 1982–1994 | Chevrolet | G20 |
| 1982–1994 | Chevrolet | G30 |
| 1982–1996 | Chevrolet | Caprice |
| 1983–1990 | Chevrolet | P60 |
| 1983–1994 | Chevrolet | C35 |
| 1984–1999 | Chevrolet | Corvette |
| 1985–1990 | Chevrolet | P40 |
| 1985–1994 | Chevrolet | Astro |
| 1986 | Chevrolet | C70 |
| 1987 | Chevrolet | R10 |
| 1987 | Chevrolet | V10 |
| 1987 | Chevrolet | V20 |
| 1987–1988 | Chevrolet | R10 Suburban |
| 1987–1988 | Chevrolet | R20 |
| 1987–1988 | Chevrolet | R20 Suburban |
| 1987–1988 | Chevrolet | R30 |
| 1987–1988 | Chevrolet | V10 Suburban |
| 1987–1988 | Chevrolet | V20 Suburban |
| 1987–1988 | Chevrolet | V30 |
| 1987–1994 | Chevrolet | Suburban |
| 1987–1999 | Chevrolet | Blazer |
| 1988–1994 | Chevrolet | K2500 |
| 1988–1994 | Chevrolet | K3500 |
| 1988–1994 | Chevrolet | S10 |
| 1988–1994 | Chevrolet | S10 Blazer |
| 1988–1999 | Chevrolet | C1500 |
| 1988–1999 | Chevrolet | C2500 |
| 1988–1999 | Chevrolet | C3500 |
| 1988–1999 | Chevrolet | K1500 |
| 1989 | Chevrolet | R2500 |
| 1989–1991 | Chevrolet | R1500 Suburban |
| 1989–1991 | Chevrolet | R2500 Suburban |
| 1989–1991 | Chevrolet | R3500 |
| 1989–1991 | Chevrolet | V1500 Suburban |
| 1989–1991 | Chevrolet | V2500 Suburban |
| 1989–1991 | Chevrolet | V3500 |
| 1991–1994 | Chevrolet | C3500HD |
| 1991–1994 | Chevrolet | Commercial Chassis |
| 1992–1994 | Chevrolet | K2500 Suburban |
| 1992–1999 | Chevrolet | C1500 Suburban |
| 1992–1999 | Chevrolet | C2500 Suburban |
| 1992–1999 | Chevrolet | K1500 Suburban |
| 1993–1994 | Chevrolet | GP3500 |
| 1993–1994 | Chevrolet | W4500 Tiltmaster |
| 1994–1996 | Chevrolet | Impala |
| 1996 | Chevrolet | G30 |
| 1996 | Chevrolet | GP3500 |
| 1996–1999 | Chevrolet | Astro |
| 1996–1999 | Chevrolet | C35 |
| 1996–1999 | Chevrolet | Camaro |
| 1996–1999 | Chevrolet | Express 1500 |
| 1996–1999 | Chevrolet | Express 2500 |
| 1996–1999 | Chevrolet | Express 3500 |
| 1996–1999 | Chevrolet | K2500 |
| 1996–1999 | Chevrolet | K2500 Suburban |
| 1996–1999 | Chevrolet | K3500 |
| 1996–1999 | Chevrolet | S10 |
| 1996–1999 | Chevrolet | Silverado |
| 1996–1999 | Chevrolet | Suburban 1500 |
| 1996–1999 | Chevrolet | Tahoe |
| 1996–1999 | Chevrolet | W3500 Tiltmaster |
| 1996–1999 | Chevrolet | W4500 Tiltmaster |
| 1997–1999 | Chevrolet | Cargo Van |
| 1999 | Chevrolet | L30 |
| 1999 | Chevrolet | Silverado 1500 |
Spécifications
Données du fabricant pour cette pièce — tout est visible, aucun onglet à fouiller.
| Marque | Proform |
| N° de pièce | PFM66827 |
| Catégorie | Exhaust & Performance |
| Années | Marque | Modèle |
|---|---|---|
| 1974–1974 | Chevrolet | C10 Pickup |
| 1974–1974 | Chevrolet | C20 Pickup |
| 1974–1974 | Chevrolet | C30 Pickup |
| 1974–1974 | Chevrolet | K10 Pickup |
| 1974–1974 | Chevrolet | K20 Pickup |
| 1974–1974 | Chevrolet | K30 Pickup |
| 1974–1974 | Chevrolet | P20 Van |
| 1974–1974 | Chevrolet | P30 Van |
| 1974–1975 | Chevrolet | Bel Air |
| 1974–1976 | Chevrolet | C10 Suburban |
| 1974–1976 | Chevrolet | C20 Suburban |
| 1974–1976 | Chevrolet | Impala |
| 1974–1976 | Chevrolet | K10 Suburban |
| 1974–1976 | Chevrolet | Monte Carlo |
| 1974–1976 | Chevrolet | Nova |
| 1974–1978 | Chevrolet | C50 |
| 1974–1978 | Chevrolet | Camaro |
| 1974–1978 | Chevrolet | Caprice |
| 1974–1978 | Chevrolet | K20 Suburban |
| 1975–1975 | Chevrolet | Malibu |
| 1975–1975 | Chevrolet | P10 |
| 1975–1976 | Chevrolet | C20 |
| 1975–1976 | Chevrolet | C30 |
| 1975–1976 | Chevrolet | Corvette |
| 1975–1976 | Chevrolet | El Camino |
| 1975–1976 | Chevrolet | K10 |
| 1975–1976 | Chevrolet | Monza |
| 1975–1976 | Chevrolet | P20 |
| 1975–1976 | Chevrolet | P30 |
| 1975–1978 | Chevrolet | C10 |
| 1975–1978 | Chevrolet | C60 |
| 1975–1978 | Chevrolet | G10 |
| 1975–1978 | Chevrolet | G20 |
| 1975–1978 | Chevrolet | G30 |
| 1975–1978 | Chevrolet | K20 |
| 1975–1978 | Chevrolet | K5 Blazer |
| 1977–1978 | Chevrolet | K30 |
| 1978–1978 | Chevrolet | C10 Suburban |
| 1978–1978 | Chevrolet | C20 |
| 1978–1978 | Chevrolet | C20 Suburban |
| 1978–1978 | Chevrolet | C30 |
| 1978–1978 | Chevrolet | Corvette |
| 1978–1978 | Chevrolet | El Camino |
| 1978–1978 | Chevrolet | Impala |
| 1978–1978 | Chevrolet | K10 |
| 1978–1978 | Chevrolet | K10 Suburban |
| 1978–1978 | Chevrolet | Malibu |
| 1978–1978 | Chevrolet | Monte Carlo |
| 1978–1978 | Chevrolet | Monza |
| 1978–1978 | Chevrolet | Nova |
| 1978–1978 | Chevrolet | P10 |
| 1978–1978 | Chevrolet | P20 |
| 1978–1978 | Chevrolet | P30 |
| 1980–1980 | Chevrolet | Caprice |
| 1980–1980 | Chevrolet | Monte Carlo |
| 1980–1982 | Chevrolet | Corvette |
| 1980–1985 | Chevrolet | Impala |
| 1980–1986 | Chevrolet | C10 |
| 1980–1986 | Chevrolet | C10 Suburban |
| 1980–1987 | Chevrolet | C20 |
| 1981–1986 | Chevrolet | C20 Suburban |
| 1981–1986 | Chevrolet | C30 |
| 1981–1986 | Chevrolet | K10 |
| 1981–1986 | Chevrolet | K10 Suburban |
| 1981–1986 | Chevrolet | K20 |
| 1981–1986 | Chevrolet | K20 Suburban |
| 1981–1987 | Chevrolet | El Camino |
| 1981–1989 | Chevrolet | P20 |
| 1981–1990 | Chevrolet | B60 |
| 1981–1994 | Chevrolet | G10 |
| 1981–1999 | Chevrolet | P30 |
| 1982–1983 | Chevrolet | Malibu |
| 1982–1985 | Chevrolet | C15 |
| 1982–1985 | Chevrolet | Celebrity |
| 1982–1986 | Chevrolet | K30 |
| 1982–1986 | Chevrolet | K5 Blazer |
| 1982–1988 | Chevrolet | Monte Carlo |
| 1982–1990 | Chevrolet | C50 |
| 1982–1990 | Chevrolet | C60 |
| 1982–1994 | Chevrolet | Camaro |
| 1982–1994 | Chevrolet | G20 |
| 1982–1994 | Chevrolet | G30 |
| 1982–1996 | Chevrolet | Caprice |
| 1983–1990 | Chevrolet | P60 |
| 1983–1994 | Chevrolet | C35 |
| 1984–1999 | Chevrolet | Corvette |
| 1985–1990 | Chevrolet | P40 |
| 1985–1994 | Chevrolet | Astro |
| 1986–1986 | Chevrolet | C70 |
| 1987–1987 | Chevrolet | R10 |
| 1987–1987 | Chevrolet | V10 |
| 1987–1987 | Chevrolet | V20 |
| 1987–1988 | Chevrolet | R10 Suburban |
| 1987–1988 | Chevrolet | R20 |
| 1987–1988 | Chevrolet | R20 Suburban |
| 1987–1988 | Chevrolet | R30 |
| 1987–1988 | Chevrolet | V10 Suburban |
| 1987–1988 | Chevrolet | V20 Suburban |
| 1987–1988 | Chevrolet | V30 |
| 1987–1994 | Chevrolet | Suburban |
| 1987–1999 | Chevrolet | Blazer |
| 1988–1994 | Chevrolet | K2500 |
| 1988–1994 | Chevrolet | K3500 |
| 1988–1994 | Chevrolet | S10 |
| 1988–1994 | Chevrolet | S10 Blazer |
| 1988–1999 | Chevrolet | C1500 |
| 1988–1999 | Chevrolet | C2500 |
| 1988–1999 | Chevrolet | C3500 |
| 1988–1999 | Chevrolet | K1500 |
| 1989–1989 | Chevrolet | R2500 |
| 1989–1991 | Chevrolet | R1500 Suburban |
| 1989–1991 | Chevrolet | R2500 Suburban |
| 1989–1991 | Chevrolet | R3500 |
| 1989–1991 | Chevrolet | V1500 Suburban |
| 1989–1991 | Chevrolet | V2500 Suburban |
| 1989–1991 | Chevrolet | V3500 |
| 1991–1994 | Chevrolet | C3500HD |
| 1991–1994 | Chevrolet | Commercial Chassis |
| 1992–1994 | Chevrolet | K2500 Suburban |
| 1992–1999 | Chevrolet | C1500 Suburban |
| 1992–1999 | Chevrolet | C2500 Suburban |
| 1992–1999 | Chevrolet | K1500 Suburban |
| 1993–1994 | Chevrolet | GP3500 |
| 1993–1994 | Chevrolet | W4500 Tiltmaster |
| 1994–1996 | Chevrolet | Impala |
| 1996–1996 | Chevrolet | G30 |
| 1996–1996 | Chevrolet | GP3500 |
| 1996–1999 | Chevrolet | Astro |

Worth adding
Useful in any truck — ships separately in its own box.
Pièces apparentées
Autres articles de Systèmes d'échappement.
Reviews
Verified customer reviews.









