View our Specials! Coupon Code: SaveIn2026
Tein Suspension Spring and Coilover Sale
Manufacturer pages are not filtered by vehicle. Please use the category menu to view parts for your 2000 GMC K2500.

Kooks Headers Flanges



Chevrolet Kooks Headers Flanges

Chevrolet P20

Kooks Headers Flanges 7035
IN STOCK - DROPSHIPS
7035
Kooks SB Chevy 1 7/8in Steel 18deg SBC Flange (Bank)
1980-1989 Chevrolet P20 Base
1980-1985 Chevrolet P20 Step-Van
1987-1989 Chevrolet P20 Step-Van
$75.16

Chevrolet P20 Van

Kooks Headers Flanges 7041-S
IN STOCK - DROPSHIPS
7041-S
Kooks BB Chevy 2 1/4in SS BBC Flange (Bank)
1970-1973 Chevrolet P20 Van Base
$94.57
Kooks Headers Flanges 7042-S
IN STOCK - DROPSHIPS
7042-S
Kooks BB Chevy 2 3/8in SS BBC Flange (Bank)
1970-1973 Chevrolet P20 Van Base
$108.22
Kooks Headers Flanges 7042-AS
OUT OF STOCK
7042-AS
Kooks BB Chevy 2 3/8in BBC Flange 5in Spacing (Bank)
1970-1973 Chevrolet P20 Van Base
$115.45
Kooks Headers Flanges 7041-250
IN STOCK - DROPSHIPS
7041-250
Kooks BB Chevy 2 1/2in Steel BBC Flange (Bank)
1970-1973 Chevrolet P20 Van Base
$73.25
Kooks Headers Flanges 7040-S
IN STOCK - DROPSHIPS
7040-S
Kooks BB Chevy 2 1/8in SS BBC Flange (Bank)
1970-1973 Chevrolet P20 Van Base
$105.34

Chevrolet P30

Kooks Headers Flanges 7041-S
IN STOCK - DROPSHIPS
7041-S
Kooks BB Chevy 2 1/4in SS BBC Flange (Bank)
1975-1997 Chevrolet P30 Base
1975-1985 Chevrolet P30 Step-Van
1987-1990 Chevrolet P30 Step-Van
$94.57
Kooks Headers Flanges 7042-S
IN STOCK - DROPSHIPS
7042-S
Kooks BB Chevy 2 3/8in SS BBC Flange (Bank)
1975-1997 Chevrolet P30 Base
1975-1985 Chevrolet P30 Step-Van
1987-1990 Chevrolet P30 Step-Van
$108.22
Kooks Headers Flanges 7042-AS
OUT OF STOCK
7042-AS
Kooks BB Chevy 2 3/8in BBC Flange 5in Spacing (Bank)
1975-1997 Chevrolet P30 Base
1975-1985 Chevrolet P30 Step-Van
1987-1990 Chevrolet P30 Step-Van
$115.45
Kooks Headers Flanges 7041-250
IN STOCK - DROPSHIPS
7041-250
Kooks BB Chevy 2 1/2in Steel BBC Flange (Bank)
1975-1997 Chevrolet P30 Base
1975-1985 Chevrolet P30 Step-Van
1987-1990 Chevrolet P30 Step-Van
$73.25
Kooks Headers Flanges 7040-S
IN STOCK - DROPSHIPS
7040-S
Kooks BB Chevy 2 1/8in SS BBC Flange (Bank)
1975-1997 Chevrolet P30 Base
1975-1985 Chevrolet P30 Step-Van
1987-1990 Chevrolet P30 Step-Van
$105.34

Chevrolet P30 Van

Kooks Headers Flanges 7041-S
IN STOCK - DROPSHIPS
7041-S
Kooks BB Chevy 2 1/4in SS BBC Flange (Bank)
1970-1974 Chevrolet P30 Van Base
$94.57
Kooks Headers Flanges 7042-S
IN STOCK - DROPSHIPS
7042-S
Kooks BB Chevy 2 3/8in SS BBC Flange (Bank)
1970-1974 Chevrolet P30 Van Base
$108.22
Kooks Headers Flanges 7042-AS
OUT OF STOCK
7042-AS
Kooks BB Chevy 2 3/8in BBC Flange 5in Spacing (Bank)
1970-1974 Chevrolet P30 Van Base
$115.45
Kooks Headers Flanges 7041-250
IN STOCK - DROPSHIPS
7041-250
Kooks BB Chevy 2 1/2in Steel BBC Flange (Bank)
1970-1974 Chevrolet P30 Van Base
$73.25
Kooks Headers Flanges 7040-S
IN STOCK - DROPSHIPS
7040-S
Kooks BB Chevy 2 1/8in SS BBC Flange (Bank)
1970-1974 Chevrolet P30 Van Base
$105.34

Chevrolet R20

Kooks Headers Flanges 7041-S
IN STOCK - DROPSHIPS
7041-S
Kooks BB Chevy 2 1/4in SS BBC Flange (Bank)
1987-1988 Chevrolet R20 Silverado
1987-1988 Chevrolet R20 Scottsdale
1987-1988 Chevrolet R20 Custom Deluxe
1988-1988 Chevrolet R20 Cheyenne
$94.57
Kooks Headers Flanges 7042-S
IN STOCK - DROPSHIPS
7042-S
Kooks BB Chevy 2 3/8in SS BBC Flange (Bank)
1987-1988 Chevrolet R20 Silverado
1987-1988 Chevrolet R20 Scottsdale
1987-1988 Chevrolet R20 Custom Deluxe
1988-1988 Chevrolet R20 Cheyenne
$108.22
Kooks Headers Flanges 7042-AS
OUT OF STOCK
7042-AS
Kooks BB Chevy 2 3/8in BBC Flange 5in Spacing (Bank)
1987-1988 Chevrolet R20 Silverado
1987-1988 Chevrolet R20 Scottsdale
1987-1988 Chevrolet R20 Custom Deluxe
1988-1988 Chevrolet R20 Cheyenne
$115.45
Kooks Headers Flanges 7041-250
IN STOCK - DROPSHIPS
7041-250
Kooks BB Chevy 2 1/2in Steel BBC Flange (Bank)
1987-1988 Chevrolet R20 Silverado
1987-1988 Chevrolet R20 Scottsdale
1987-1988 Chevrolet R20 Custom Deluxe
1988-1988 Chevrolet R20 Cheyenne
$73.25
Kooks Headers Flanges 7040-S
IN STOCK - DROPSHIPS
7040-S
Kooks BB Chevy 2 1/8in SS BBC Flange (Bank)
1987-1988 Chevrolet R20 Silverado
1987-1988 Chevrolet R20 Scottsdale
1987-1988 Chevrolet R20 Custom Deluxe
1988-1988 Chevrolet R20 Cheyenne
$105.34

Chevrolet R20 Suburban

Kooks Headers Flanges 7041-S
IN STOCK - DROPSHIPS
7041-S
Kooks BB Chevy 2 1/4in SS BBC Flange (Bank)
1987-1988 Chevrolet R20 Suburban Silverado
1987-1988 Chevrolet R20 Suburban Scottsdale
1987-1987 Chevrolet R20 Suburban Custom Deluxe
$94.57
Kooks Headers Flanges 7042-S
IN STOCK - DROPSHIPS
7042-S
Kooks BB Chevy 2 3/8in SS BBC Flange (Bank)
1987-1988 Chevrolet R20 Suburban Silverado
1987-1988 Chevrolet R20 Suburban Scottsdale
1987-1987 Chevrolet R20 Suburban Custom Deluxe
$108.22
Kooks Headers Flanges 7042-AS
OUT OF STOCK
7042-AS
Kooks BB Chevy 2 3/8in BBC Flange 5in Spacing (Bank)
1987-1988 Chevrolet R20 Suburban Silverado
1987-1988 Chevrolet R20 Suburban Scottsdale
1987-1987 Chevrolet R20 Suburban Custom Deluxe
$115.45
Kooks Headers Flanges 7041-250
IN STOCK - DROPSHIPS
7041-250
Kooks BB Chevy 2 1/2in Steel BBC Flange (Bank)
1987-1988 Chevrolet R20 Suburban Silverado
1987-1988 Chevrolet R20 Suburban Scottsdale
1987-1987 Chevrolet R20 Suburban Custom Deluxe
$73.25
Kooks Headers Flanges 7040-S
IN STOCK - DROPSHIPS
7040-S
Kooks BB Chevy 2 1/8in SS BBC Flange (Bank)
1987-1988 Chevrolet R20 Suburban Silverado
1987-1988 Chevrolet R20 Suburban Scottsdale
1987-1987 Chevrolet R20 Suburban Custom Deluxe
$105.34

Chevrolet R2500

Kooks Headers Flanges 7041-S
IN STOCK - DROPSHIPS
7041-S
Kooks BB Chevy 2 1/4in SS BBC Flange (Bank)
1989-1989 Chevrolet R2500 Silverado
1989-1989 Chevrolet R2500 Scottsdale
1989-1989 Chevrolet R2500 Cheyenne
$94.57
Kooks Headers Flanges 7042-S
IN STOCK - DROPSHIPS
7042-S
Kooks BB Chevy 2 3/8in SS BBC Flange (Bank)
1989-1989 Chevrolet R2500 Silverado
1989-1989 Chevrolet R2500 Scottsdale
1989-1989 Chevrolet R2500 Cheyenne
$108.22
Kooks Headers Flanges 7042-AS
OUT OF STOCK
7042-AS
Kooks BB Chevy 2 3/8in BBC Flange 5in Spacing (Bank)
1989-1989 Chevrolet R2500 Silverado
1989-1989 Chevrolet R2500 Scottsdale
1989-1989 Chevrolet R2500 Cheyenne
$115.45
Kooks Headers Flanges 7041-250
IN STOCK - DROPSHIPS
7041-250
Kooks BB Chevy 2 1/2in Steel BBC Flange (Bank)
1989-1989 Chevrolet R2500 Silverado
1989-1989 Chevrolet R2500 Scottsdale
1989-1989 Chevrolet R2500 Cheyenne
$73.25
Kooks Headers Flanges 7040-S
IN STOCK - DROPSHIPS
7040-S
Kooks BB Chevy 2 1/8in SS BBC Flange (Bank)
1989-1989 Chevrolet R2500 Silverado
1989-1989 Chevrolet R2500 Scottsdale
1989-1989 Chevrolet R2500 Cheyenne
$105.34

Chevrolet R2500 Suburban

Kooks Headers Flanges 7041-S
IN STOCK - DROPSHIPS
7041-S
Kooks BB Chevy 2 1/4in SS BBC Flange (Bank)
1989-1991 Chevrolet R2500 Suburban Silverado
1989-1991 Chevrolet R2500 Suburban Scottsdale
$94.57
Kooks Headers Flanges 7042-S
IN STOCK - DROPSHIPS
7042-S
Kooks BB Chevy 2 3/8in SS BBC Flange (Bank)
1989-1991 Chevrolet R2500 Suburban Silverado
1989-1991 Chevrolet R2500 Suburban Scottsdale
$108.22
Kooks Headers Flanges 7042-AS
OUT OF STOCK
7042-AS
Kooks BB Chevy 2 3/8in BBC Flange 5in Spacing (Bank)
1989-1991 Chevrolet R2500 Suburban Silverado
1989-1991 Chevrolet R2500 Suburban Scottsdale
$115.45
Kooks Headers Flanges 7041-250
IN STOCK - DROPSHIPS
7041-250
Kooks BB Chevy 2 1/2in Steel BBC Flange (Bank)
1989-1991 Chevrolet R2500 Suburban Silverado
1989-1991 Chevrolet R2500 Suburban Scottsdale
$73.25
Kooks Headers Flanges 7040-S
IN STOCK - DROPSHIPS
7040-S
Kooks BB Chevy 2 1/8in SS BBC Flange (Bank)
1989-1991 Chevrolet R2500 Suburban Silverado
1989-1991 Chevrolet R2500 Suburban Scottsdale
$105.34

Chevrolet R30

Kooks Headers Flanges 7041-S
IN STOCK - DROPSHIPS
7041-S
Kooks BB Chevy 2 1/4in SS BBC Flange (Bank)
1987-1988 Chevrolet R30 Silverado
1987-1988 Chevrolet R30 Custom Deluxe
1987-1988 Chevrolet R30 Scottsdale
1988-1988 Chevrolet R30 Cheyenne
$94.57
Kooks Headers Flanges 7042-S
IN STOCK - DROPSHIPS
7042-S
Kooks BB Chevy 2 3/8in SS BBC Flange (Bank)
1987-1988 Chevrolet R30 Silverado
1987-1988 Chevrolet R30 Custom Deluxe
1987-1988 Chevrolet R30 Scottsdale
1988-1988 Chevrolet R30 Cheyenne
$108.22
Kooks Headers Flanges 7042-AS
OUT OF STOCK
7042-AS
Kooks BB Chevy 2 3/8in BBC Flange 5in Spacing (Bank)
1987-1988 Chevrolet R30 Silverado
1987-1988 Chevrolet R30 Custom Deluxe
1987-1988 Chevrolet R30 Scottsdale
1988-1988 Chevrolet R30 Cheyenne
$115.45
Kooks Headers Flanges 7041-250
IN STOCK - DROPSHIPS
7041-250
Kooks BB Chevy 2 1/2in Steel BBC Flange (Bank)
1987-1988 Chevrolet R30 Silverado
1987-1988 Chevrolet R30 Custom Deluxe
1987-1988 Chevrolet R30 Scottsdale
1988-1988 Chevrolet R30 Cheyenne
$73.25
Kooks Headers Flanges 7040-S
IN STOCK - DROPSHIPS
7040-S
Kooks BB Chevy 2 1/8in SS BBC Flange (Bank)
1987-1988 Chevrolet R30 Silverado
1987-1988 Chevrolet R30 Custom Deluxe
1987-1988 Chevrolet R30 Scottsdale
1988-1988 Chevrolet R30 Cheyenne
$105.34

Chevrolet R3500

Kooks Headers Flanges 7041-S
IN STOCK - DROPSHIPS
7041-S
Kooks BB Chevy 2 1/4in SS BBC Flange (Bank)
1989-1991 Chevrolet R3500 Silverado
1989-1990 Chevrolet R3500 Scottsdale
1989-1991 Chevrolet R3500 Cheyenne
$94.57
Kooks Headers Flanges 7042-S
IN STOCK - DROPSHIPS
7042-S
Kooks BB Chevy 2 3/8in SS BBC Flange (Bank)
1989-1991 Chevrolet R3500 Silverado
1989-1990 Chevrolet R3500 Scottsdale
1989-1991 Chevrolet R3500 Cheyenne
$108.22
Kooks Headers Flanges 7042-AS
OUT OF STOCK
7042-AS
Kooks BB Chevy 2 3/8in BBC Flange 5in Spacing (Bank)
1989-1991 Chevrolet R3500 Silverado
1989-1990 Chevrolet R3500 Scottsdale
1989-1991 Chevrolet R3500 Cheyenne
$115.45
Kooks Headers Flanges 7041-250
IN STOCK - DROPSHIPS
7041-250
Kooks BB Chevy 2 1/2in Steel BBC Flange (Bank)
1989-1991 Chevrolet R3500 Silverado
1989-1990 Chevrolet R3500 Scottsdale
1989-1991 Chevrolet R3500 Cheyenne
$73.25
Kooks Headers Flanges 7040-S
IN STOCK - DROPSHIPS
7040-S
Kooks BB Chevy 2 1/8in SS BBC Flange (Bank)
1989-1991 Chevrolet R3500 Silverado
1989-1990 Chevrolet R3500 Scottsdale
1989-1991 Chevrolet R3500 Cheyenne
$105.34

Chevrolet SS

Kooks Headers Flanges 7046-AS
IN STOCK
7046-AS
Kooks GM LS Engines 1 7/8in SS LS1 Flange (Bank)
2014-2015 Chevrolet SS Base
$67.41
Kooks Headers Flanges 7046-BS
IN STOCK - DROPSHIPS
7046-BS
Kooks GM LS Engines 1 7/8in SS D Port LS Flange (Bank)
2014-2015 Chevrolet SS Base
$85.71
Kooks Headers Flanges 7046-A
OUT OF STOCK
7046-A
Kooks GM LS Engines 1 7/8in Steel LS1 Flange (Bank)
2014-2015 Chevrolet SS Base
$78.31
Kooks Headers Flanges 7046-BS-2
IN STOCK - DROPSHIPS
7046-BS-2
Kooks GM LS Engines 2in SS D Port LS Flange (Bank)
2014-2015 Chevrolet SS Base
$98.23

Looking to upgrade your vehicle with a flange from Kooks Headers? We carry a great variety of Kooks Headers Flanges and other fabrication performance parts for your vehicle.

We have 58 Kooks Headers Flanges available with free shipping to the Continental US 48 States.