PROFORM / 66751
Part #: 66751
UPC: 037995667512
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Description: 12 Pcs; Fits GM V6, SB 265-400, Buick, Olds, Pontiac '79 and earlier, Mopar BB 383-440 exc 413, AMC V8's w 3/8" bolts
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 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.
Information
12 Pcs
Application summary
| Year | Make / model |
|---|---|
| 1959 | Chevrolet 3B |
| 1959 | Chevrolet 3C |
| 1959 | Chevrolet 3D |
| 1959 | Chevrolet 3E |
| 1959 | Chevrolet 3F |
| 1959 | Chevrolet 3G |
| 1985-1999 | Chevrolet Astro |
| 1980-1990 | Chevrolet B60 |
| 1958-1975 | Chevrolet Bel Air |
| 1981 | Chevrolet Bel Air |
| 1958-1972 | Chevrolet Biscayne |
| 1969-1974 | Chevrolet Blazer |
| 1987-1999 | Chevrolet Blazer |
| 1958-1961 | Chevrolet Brookwood |
| 1969-1972 | Chevrolet Brookwood |
| 1975-1986 | Chevrolet C10 |
| 1960-1974 | Chevrolet C10 Pickup |
| 1967-1986 | Chevrolet C10 Suburban |
| 1982-1985 | Chevrolet C15 |
| 1988-1999 | Chevrolet C1500 |
| 1992-1999 | Chevrolet C1500 Suburban |
| 1975-1987 | Chevrolet C20 |
| 1960-1974 | Chevrolet C20 Pickup |
| 1967-1986 | Chevrolet C20 Suburban |
| 1988-1999 | Chevrolet C2500 |
| 1992-1999 | Chevrolet C2500 Suburban |
| 1975-1986 | Chevrolet C30 |
| 1960-1974 | Chevrolet C30 Pickup |
| 1983-1999 | Chevrolet C35 |
| 1988-1999 | Chevrolet C3500 |
| 1991-1995 | Chevrolet C3500HD |
| 1960-1962 | Chevrolet C40 |
| 1960-1990 | Chevrolet C50 |
| 1960-1990 | Chevrolet C60 |
| 1979 | Chevrolet C70 |
| 1986 | Chevrolet C70 |
| 1967-1999 | Chevrolet Camaro |
| 1966-1996 | Chevrolet Caprice |
| 1997-1999 | Chevrolet Cargo Van |
| 1982-1985 | Chevrolet Celebrity |
| 1964-1973 | Chevrolet Chevelle |
| 1963-1968 | Chevrolet Chevy II |
| 1991-1994 | Chevrolet Commercial Chassis |
| 1958-1961 | Chevrolet Corvette |
| 1968-1982 | Chevrolet Corvette |
| 1984-1999 | Chevrolet Corvette |
| 1958 | Chevrolet Del Ray |
| 1959-1960 | Chevrolet El Camino |
| 1964-1987 | Chevrolet El Camino |
| 1969-1970 | Chevrolet Estate |
| 1996-1999 | Chevrolet Express 1500 |
| 1996-1999 | Chevrolet Express 2500 |
| 1996-1999 | Chevrolet Express 3500 |
| 1975-1995 | Chevrolet G10 |
| 1968-1974 | Chevrolet G10 Van |
| 1975-1995 | Chevrolet G20 |
| 1967-1974 | Chevrolet G20 Van |
| 1975-1996 | Chevrolet G30 |
| 1970-1974 | Chevrolet G30 Van |
| 1993-1996 | Chevrolet GP3500 |
| 1958-1985 | Chevrolet Impala |
| 1994-1996 | Chevrolet Impala |
| 1975-1986 | Chevrolet K10 |
| 1960-1974 | Chevrolet K10 Pickup |
| 1967-1986 | Chevrolet K10 Suburban |
| 1988-1999 | Chevrolet K1500 |
| 1992-1999 | Chevrolet K1500 Suburban |
| 1975-1986 | Chevrolet K20 |
| 1967 | Chevrolet K20 Panel |
| 1960-1974 | Chevrolet K20 Pickup |
| 1967-1986 | Chevrolet K20 Suburban |
Specifications
- GTIN
- 00037995667512
- Weight
- 0.65 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 V6, SB 265-400, Buick, Olds, Pontiac 79 and earlier, Mopar BB 383-440 exc 413, AMC V8's w 3/8in bolts
- Bolt Grade
- 8
- California Proposition 65
- No
- Category
- Header Bolts
- Color
- Black Oxide
- Diameter
- 3/8-in.
- Feature/Benefit
- When changing headers, PROFORM Header Bolts can be untightened with a normal wrench, lubricated, and reused.
- Finish
- Black Oxide
- Head Drive Type
- Hex
- Length
- 3/4 inch
- Material
- Steel
- Part Type
- Header Bolts
- Thread Diameter
- 16
- Thread Type
- Fine
- Title
- Wedge-Locking Header Bolt 3/4L x 3/8; 12 Bolts
Fitment status
Select a vehicle or engine to see whether this part applies to your application.
Application summary
1959 Chevrolet 3B; 1959 Chevrolet 3C; 1959 Chevrolet 3D; 1959 Chevrolet 3E; 1959 Chevrolet 3F; 1959 Chevrolet 3G; 1985-1999 Chevrolet Astro; 1980-1990 Chevrolet B60; 1958-1975 Chevrolet Bel Air; 1981 Chevrolet Bel Air; 1958-1972 Chevrolet Biscayne; 1969-1974 Chevrolet Blazer; 1987-1999 Chevrolet Blazer; 1958-1961 Chevrolet Brookwood; 1969-1972 Chevrolet Brookwood; 1975-1986 Chevrolet C10; 1960-1974 Chevrolet C10 Pickup; 1967-1986 Chevrolet C10 Suburban; 1982-1985 Chevrolet C15; 1988-1999 Chevrolet C1500; 1992-1999 Chevrolet C1500 Suburban; 1975-1987 Chevrolet C20; 1960-1974 Chevrolet C20 Pickup; 1967-1986 Chevrolet C20 Suburban; 1988-1999 Chevrolet C2500; 1992-1999 Chevrolet C2500 Suburban; 1975-1986 Chevrolet C30; 1960-1974 Chevrolet C30 Pickup; 1983-1999 Chevrolet C35; 1988-1999 Chevrolet C3500; 1991-1995 Chevrolet C3500HD; 1960-1962 Chevrolet C40; 1960-1990 Chevrolet C50; 1960-1990 Chevrolet C60; 1979 Chevrolet C70; 1986 Chevrolet C70; 1967-1999 Chevrolet Camaro; 1966-1996 Chevrolet Caprice; 1997-1999 Chevrolet Cargo Van; 1982-1985 Chevrolet Celebrity; 1964-1973 Chevrolet Chevelle; 1963-1968 Chevrolet Chevy II; 1991-1994 Chevrolet Commercial Chassis; 1958-1961 Chevrolet Corvette; 1968-1982 Chevrolet Corvette; 1984-1999 Chevrolet Corvette; 1958 Chevrolet Del Ray; 1959-1960 Chevrolet El Camino; 1964-1987 Chevrolet El Camino; 1969-1970 Chevrolet Estate; 1996-1999 Chevrolet Express 1500; 1996-1999 Chevrolet Express 2500; 1996-1999 Chevrolet Express 3500; 1975-1995 Chevrolet G10; 1968-1974 Chevrolet G10 Van; 1975-1995 Chevrolet G20; 1967-1974 Chevrolet G20 Van; 1975-1996 Chevrolet G30; 1970-1974 Chevrolet G30 Van; 1993-1996 Chevrolet GP3500; 1958-1985 Chevrolet Impala; 1994-1996 Chevrolet Impala; 1975-1986 Chevrolet K10; 1960-1974 Chevrolet K10 Pickup; 1967-1986 Chevrolet K10 Suburban; 1988-1999 Chevrolet K1500; 1992-1999 Chevrolet K1500 Suburban; 1975-1986 Chevrolet K20; 1967 Chevrolet K20 Panel; 1960-1974 Chevrolet K20 Pickup; 1967-1986 Chevrolet K20 Suburban; ...
Resources
- Brand logo
- Logo Image
- Photo - Out of Package
- Photo - Out of Package
- Photo - Out of Package
- Photo - Out of Package
- Photo - In Package
- Photo - Primary
- Photo - Close Up
- Photo - Close Up
- Photo - Close Up
- Photo - Unmounted
- Warranty
- PROFORM Wedge Locking Header Bolts 1080
- No More Loose Header Bolts! PROFORM Wedge-Locking Technology
- First Look - Proform Wedge-Locking Header & Collector Bolts
Equivalent Parts
PROFORM 66751
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