PROFORM · 66827
Part #: 66827
UPC: 037995711871
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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 |
|---|---|
| 1985-1994 | Chevrolet Astro |
| 1996-1999 | Chevrolet Astro |
| 1981-1990 | Chevrolet B60 |
| 1974-1975 | Chevrolet Bel Air |
| 1987-1999 | Chevrolet Blazer |
| 1975-1978 | Chevrolet C10 |
| 1980-1986 | Chevrolet C10 |
| 1974 | Chevrolet C10 Pickup |
| 1974-1976 | Chevrolet C10 Suburban |
| 1978 | Chevrolet C10 Suburban |
| 1980-1986 | Chevrolet C10 Suburban |
| 1982-1985 | Chevrolet C15 |
| 1988-1999 | Chevrolet C1500 |
| 1992-1999 | Chevrolet C1500 Suburban |
| 1975-1976 | Chevrolet C20 |
| 1978 | Chevrolet C20 |
| 1980-1987 | Chevrolet C20 |
| 1974 | Chevrolet C20 Pickup |
| 1974-1976 | Chevrolet C20 Suburban |
| 1978 | Chevrolet C20 Suburban |
| 1981-1986 | Chevrolet C20 Suburban |
| 1988-1999 | Chevrolet C2500 |
| 1992-1999 | Chevrolet C2500 Suburban |
| 1975-1976 | Chevrolet C30 |
| 1978 | Chevrolet C30 |
| 1981-1986 | Chevrolet C30 |
| 1974 | Chevrolet C30 Pickup |
| 1983-1994 | Chevrolet C35 |
| 1996-1999 | Chevrolet C35 |
| 1988-1999 | Chevrolet C3500 |
| 1991-1994 | Chevrolet C3500HD |
| 1974-1978 | Chevrolet C50 |
| 1982-1990 | Chevrolet C50 |
| 1975-1978 | Chevrolet C60 |
| 1982-1990 | Chevrolet C60 |
| 1986 | Chevrolet C70 |
| 1974-1978 | Chevrolet Camaro |
| 1982-1994 | Chevrolet Camaro |
| 1996-1999 | Chevrolet Camaro |
| 1974-1978 | Chevrolet Caprice |
| 1980 | Chevrolet Caprice |
| 1982-1996 | Chevrolet Caprice |
| 1997-1999 | Chevrolet Cargo Van |
| 1982-1985 | Chevrolet Celebrity |
| 1991-1994 | Chevrolet Commercial Chassis |
| 1975-1976 | Chevrolet Corvette |
| 1978 | Chevrolet Corvette |
| 1980-1982 | Chevrolet Corvette |
| 1984-1999 | Chevrolet Corvette |
| 1975-1976 | Chevrolet El Camino |
| 1978 | Chevrolet El Camino |
| 1981-1987 | Chevrolet El Camino |
| 1996-1999 | Chevrolet Express 1500 |
| 1996-1999 | Chevrolet Express 2500 |
| 1996-1999 | Chevrolet Express 3500 |
| 1975-1978 | Chevrolet G10 |
| 1981-1994 | Chevrolet G10 |
| 1975-1978 | Chevrolet G20 |
| 1982-1994 | Chevrolet G20 |
| 1975-1978 | Chevrolet G30 |
| 1982-1994 | Chevrolet G30 |
| 1996 | Chevrolet G30 |
| 1993-1994 | Chevrolet GP3500 |
| 1996 | Chevrolet GP3500 |
| 1974-1976 | Chevrolet Impala |
| 1978 | Chevrolet Impala |
| 1980-1985 | Chevrolet Impala |
| 1994-1996 | Chevrolet Impala |
| 1975-1976 | Chevrolet K10 |
| 1978 | Chevrolet K10 |
| 1981-1986 | Chevrolet K10 |
| 1974 | Chevrolet K10 Pickup |
Specifications
- GTIN
- 00037995711871
- 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
- Wedge-Locking Technology Eliminates Constantly Re-Tightening Exhaust Collector Bolts; Blocks Bolt-Loosening Rotation caused by Vehicle Vibrations.
- Finish
- Black Oxide
- Grade Type
- Performance
- Head Drive Type
- Hex
- Length
- 3/4 inch
- Material
- Steel
- Part Type
- Header Bolts
- Thread Diameter
- 16
- Thread Size
- 3/8" - 16
- Thread Type
- Fine
Fitment status
Select a vehicle or engine to see whether this part applies to your application.
Application summary
1985-1994 Chevrolet Astro; 1996-1999 Chevrolet Astro; 1981-1990 Chevrolet B60; 1974-1975 Chevrolet Bel Air; 1987-1999 Chevrolet Blazer; 1975-1978 Chevrolet C10; 1980-1986 Chevrolet C10; 1974 Chevrolet C10 Pickup; 1974-1976 Chevrolet C10 Suburban; 1978 Chevrolet C10 Suburban; 1980-1986 Chevrolet C10 Suburban; 1982-1985 Chevrolet C15; 1988-1999 Chevrolet C1500; 1992-1999 Chevrolet C1500 Suburban; 1975-1976 Chevrolet C20; 1978 Chevrolet C20; 1980-1987 Chevrolet C20; 1974 Chevrolet C20 Pickup; 1974-1976 Chevrolet C20 Suburban; 1978 Chevrolet C20 Suburban; 1981-1986 Chevrolet C20 Suburban; 1988-1999 Chevrolet C2500; 1992-1999 Chevrolet C2500 Suburban; 1975-1976 Chevrolet C30; 1978 Chevrolet C30; 1981-1986 Chevrolet C30; 1974 Chevrolet C30 Pickup; 1983-1994 Chevrolet C35; 1996-1999 Chevrolet C35; 1988-1999 Chevrolet C3500; 1991-1994 Chevrolet C3500HD; 1974-1978 Chevrolet C50; 1982-1990 Chevrolet C50; 1975-1978 Chevrolet C60; 1982-1990 Chevrolet C60; 1986 Chevrolet C70; 1974-1978 Chevrolet Camaro; 1982-1994 Chevrolet Camaro; 1996-1999 Chevrolet Camaro; 1974-1978 Chevrolet Caprice; 1980 Chevrolet Caprice; 1982-1996 Chevrolet Caprice; 1997-1999 Chevrolet Cargo Van; 1982-1985 Chevrolet Celebrity; 1991-1994 Chevrolet Commercial Chassis; 1975-1976 Chevrolet Corvette; 1978 Chevrolet Corvette; 1980-1982 Chevrolet Corvette; 1984-1999 Chevrolet Corvette; 1975-1976 Chevrolet El Camino; 1978 Chevrolet El Camino; 1981-1987 Chevrolet El Camino; 1996-1999 Chevrolet Express 1500; 1996-1999 Chevrolet Express 2500; 1996-1999 Chevrolet Express 3500; 1975-1978 Chevrolet G10; 1981-1994 Chevrolet G10; 1975-1978 Chevrolet G20; 1982-1994 Chevrolet G20; 1975-1978 Chevrolet G30; 1982-1994 Chevrolet G30; 1996 Chevrolet G30; 1993-1994 Chevrolet GP3500; 1996 Chevrolet GP3500; 1974-1976 Chevrolet Impala; 1978 Chevrolet Impala; 1980-1985 Chevrolet Impala; 1994-1996 Chevrolet Impala; 1975-1976 Chevrolet K10; 1978 Chevrolet K10; 1981-1986 Chevrolet K10; 1974 Chevrolet K10 Pickup; ...
PROFORM 66827
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