PROFORM / 66824
Part #: 66824
UPC: 037995711845
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Description: 16 Pcs; Fits GM BB 396-502 exc 348 and 409, Ford 5.0L, SB 289-302-351W, Mopar 414
Description:
Description
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 sixteen Hex Head, Grade 8 (12.9) steel bolts (3/8"-16 thread, 1" long) with a black oxide finish, and pre-assembled Wedge-Locking Washers.
Information
16 Pcs
Application summary
| Year | Make / model |
|---|---|
| 1999 | Chevrolet B7 |
| 1965-1975 | Chevrolet Bel Air |
| 1965-1972 | Chevrolet Biscayne |
| 1973-1974 | Chevrolet Blazer |
| 1969-1972 | Chevrolet Brookwood |
| 1975-1980 | Chevrolet C10 |
| 1968-1974 | Chevrolet C10 Pickup |
| 1968-1980 | Chevrolet C10 Suburban |
| 1990-1993 | Chevrolet C1500 |
| 1975-1986 | Chevrolet C20 |
| 1968-1974 | Chevrolet C20 Pickup |
| 1968-1986 | Chevrolet C20 Suburban |
| 1991-1999 | Chevrolet C2500 |
| 1992-1999 | Chevrolet C2500 Suburban |
| 1975-1986 | Chevrolet C30 |
| 1968-1974 | Chevrolet C30 Pickup |
| 1988-1999 | Chevrolet C3500 |
| 1991-1999 | Chevrolet C3500HD |
| 1969 | Chevrolet C50 |
| 1968-1969 | Chevrolet C60 |
| 1999 | Chevrolet C6500 Kodiak |
| 1979-1980 | Chevrolet C70 |
| 1999 | Chevrolet C7500 Kodiak |
| 1967-1972 | Chevrolet Camaro |
| 1966-1976 | Chevrolet Caprice |
| 1965-1973 | Chevrolet Chevelle |
| 1968 | Chevrolet Chevy II |
| 1965-1974 | Chevrolet Corvette |
| 1966-1975 | Chevrolet El Camino |
| 1969-1970 | Chevrolet Estate |
| 1996-1999 | Chevrolet Express 3500 |
| 1973-1974 | Chevrolet G10 Van |
| 1976 | Chevrolet G20 |
| 1973-1974 | Chevrolet G20 Van |
| 1975-1976 | Chevrolet G30 |
| 1988-1996 | Chevrolet G30 |
| 1973-1974 | Chevrolet G30 Van |
| 1993-1996 | Chevrolet GP3500 |
| 1965-1976 | Chevrolet Impala |
| 1976 | Chevrolet K10 |
| 1980 | Chevrolet K10 |
| 1968-1974 | Chevrolet K10 Pickup |
| 1968-1974 | Chevrolet K10 Suburban |
| 1976-1978 | Chevrolet K20 |
| 1968-1974 | Chevrolet K20 Pickup |
| 1968-1974 | Chevrolet K20 Suburban |
| 1985 | Chevrolet K20 Suburban |
| 1991-1999 | Chevrolet K2500 |
| 1992-1999 | Chevrolet K2500 Suburban |
| 1977 | Chevrolet K30 |
| 1980-1986 | Chevrolet K30 |
| 1968-1974 | Chevrolet K30 Pickup |
| 1988-1999 | Chevrolet K3500 |
| 1976-1978 | Chevrolet K5 Blazer |
| 1969-1972 | Chevrolet Kingswood |
| 1970-1975 | Chevrolet Monte Carlo |
| 1969-1972 | Chevrolet Nova |
| 1973 | Chevrolet P10 Van |
| 1976 | Chevrolet P20 |
| 1979 | Chevrolet P20 |
| 1970-1971 | Chevrolet P20 Van |
| 1973 | Chevrolet P20 Van |
| 1975-1999 | Chevrolet P30 |
| 1970-1974 | Chevrolet P30 Van |
| 1987-1988 | Chevrolet R20 |
| 1987-1988 | Chevrolet R20 Suburban |
| 1989 | Chevrolet R2500 |
| 1989-1991 | Chevrolet R2500 Suburban |
| 1987-1988 | Chevrolet R30 |
| 1989-1991 | Chevrolet R3500 |
| 1969-1972 | Chevrolet Townsman |
Specifications
- GTIN
- 00037995711845
- Weight
- 1.25 lb
- Height
- 1.75 in
- Length
- 6.75 in
- Width
- 4.5 in
- EO
- Legal US
- Life cycle
- Available to Order
- AAM brand code
- PRF
- Warehouse brand code
- PRF
- AAIA brand code
- BCHW
Attributes
- Applications
- Fits GM BB 396-502 exc 348 and 409, Ford 5.0L, SB 289-302-351W, Mopar 413
- California Proposition 65
- No
- Category
- Header Bolts
- Color
- Black Oxide
- Diameter
- 3/8-in.
- Feature/Benefit
- Wedge-Locking Technology Eliminates Constantly Re-Tightening Exhaust Collector Bolts; Blocks Bolt-Loosening Rotation caused by Vehicle Vibrations.
- Finish
- Black Oxide
- Length
- 1 inch
- Material
- Steel
- Part Type
- Header Bolts
Fitment status
Select a vehicle or engine to see whether this part applies to your application.
Application summary
1999 Chevrolet B7; 1965-1975 Chevrolet Bel Air; 1965-1972 Chevrolet Biscayne; 1973-1974 Chevrolet Blazer; 1969-1972 Chevrolet Brookwood; 1975-1980 Chevrolet C10; 1968-1974 Chevrolet C10 Pickup; 1968-1980 Chevrolet C10 Suburban; 1990-1993 Chevrolet C1500; 1975-1986 Chevrolet C20; 1968-1974 Chevrolet C20 Pickup; 1968-1986 Chevrolet C20 Suburban; 1991-1999 Chevrolet C2500; 1992-1999 Chevrolet C2500 Suburban; 1975-1986 Chevrolet C30; 1968-1974 Chevrolet C30 Pickup; 1988-1999 Chevrolet C3500; 1991-1999 Chevrolet C3500HD; 1969 Chevrolet C50; 1968-1969 Chevrolet C60; 1999 Chevrolet C6500 Kodiak; 1979-1980 Chevrolet C70; 1999 Chevrolet C7500 Kodiak; 1967-1972 Chevrolet Camaro; 1966-1976 Chevrolet Caprice; 1965-1973 Chevrolet Chevelle; 1968 Chevrolet Chevy II; 1965-1974 Chevrolet Corvette; 1966-1975 Chevrolet El Camino; 1969-1970 Chevrolet Estate; 1996-1999 Chevrolet Express 3500; 1973-1974 Chevrolet G10 Van; 1976 Chevrolet G20; 1973-1974 Chevrolet G20 Van; 1975-1976 Chevrolet G30; 1988-1996 Chevrolet G30; 1973-1974 Chevrolet G30 Van; 1993-1996 Chevrolet GP3500; 1965-1976 Chevrolet Impala; 1976 Chevrolet K10; 1980 Chevrolet K10; 1968-1974 Chevrolet K10 Pickup; 1968-1974 Chevrolet K10 Suburban; 1976-1978 Chevrolet K20; 1968-1974 Chevrolet K20 Pickup; 1968-1974 Chevrolet K20 Suburban; 1985 Chevrolet K20 Suburban; 1991-1999 Chevrolet K2500; 1992-1999 Chevrolet K2500 Suburban; 1977 Chevrolet K30; 1980-1986 Chevrolet K30; 1968-1974 Chevrolet K30 Pickup; 1988-1999 Chevrolet K3500; 1976-1978 Chevrolet K5 Blazer; 1969-1972 Chevrolet Kingswood; 1970-1975 Chevrolet Monte Carlo; 1969-1972 Chevrolet Nova; 1973 Chevrolet P10 Van; 1976 Chevrolet P20; 1979 Chevrolet P20; 1970-1971 Chevrolet P20 Van; 1973 Chevrolet P20 Van; 1975-1999 Chevrolet P30; 1970-1974 Chevrolet P30 Van; 1987-1988 Chevrolet R20; 1987-1988 Chevrolet R20 Suburban; 1989 Chevrolet R2500; 1989-1991 Chevrolet R2500 Suburban; 1987-1988 Chevrolet R30; 1989-1991 Chevrolet R3500; 1969-1972 Chevrolet Townsman; ...
PROFORM 66824
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