Description_ASM |
1985 Chevrolet K20 Suburban Custom 7.4 Liter Naturally Aspirated GAS, 1985 Chevrolet K20 Suburban Custom CID 454 Naturally Aspirated GAS, 1987 Chevrolet V20 Suburban Custom Deluxe 7.4 Liter Naturally Aspirated GAS, 1987 Chevrolet V20 Suburban Custom Deluxe CID 454 Naturally Aspirated GAS, 1988 Chevrolet V20 Suburban Scottsdale 7.4 Liter Naturally Aspirated GAS, 1988 Chevrolet V20 Suburban Scottsdale CID 454 Naturally Aspirated GAS, 1990 Chevrolet V2500 Suburban Scottsdale 7.4 Liter Naturally Aspirated GAS, 1990 Chevrolet V2500 Suburban Scottsdale CID 454 Naturally Aspirated GAS |
Description_DES |
CHEVY BB 4WD- BLACK MAXX |
Description_DEF |
Exhaust Header |
Description_INV |
HEDMAN GM TRUCK HEADERS-BLACK |
Description_EXT |
CHEVY BB 4WD- BLACK MAXX |
Description_FAB |
Handcrafted, Mild Steel Construction. |
Description_FAB |
Long Tube Header Design Provides Excellent Top-End Horsepower and Torque. |
Description_FAB |
Ball & Socket Collector Design requires No Gasket, and Allows For More Exhaust System Misalignment than Old School, Gasket-Style Header Collectors |
Description_FAB |
Includes All The Necessary Mounting Hardware, Gaskets and Reducers (exhaust adapters) |
Description_FAB |
Limted Lifetime Warranty On Construction, Five Year Warranty on Factory-Applied Header Coating! |
Description_FAB |
Proud To Say, Made In The USA, Since 1954! |
Description_SHO |
HEADERS, COATED |
Air Conditioning |
Yes |
Automatic Transmission - Column |
Yes |
Automatic Transmission - Floor |
Yes |
Bolts/Studs Included |
Yes |
California Proposition 65 |
WARNING: Cancer & Reproductive Harm. For more info visit www.P65Warnings.ca.gov |
Catalytic Converter(s) Included |
No |
Collector Attachment |
3 in. |
Collector Bolts Included |
Yes |
Collector Diameter |
3 in. |
Collector Size |
3 in. |
Collector Style |
BALL and SOCKET Style (Gasketless) |
Contents |
headers, gaskets (when applicable), 3-bolt exhaust adapters, hardware |
Crossover Pipe Included |
No |
Cylinder Head |
Stock Profile Heads |
Cylinder Head Port Shape |
Round |
E.O. # |
No |
Emissions Notes |
Not legal for sale or use in California, or on pollution controlled vehicles. |
Exhaust System Dia |
2-1/2 in. |
Finish |
BLACK MAXX Satin Black Ceramic-Metallic |
Finish Type |
BLACK MAXX- Black Ceramic-Metallic Coating |
Flange Style |
Standard |
Flange Thickness |
0.3125 in. |
Gasket Or Seal Included |
Yes |
Header Construction |
MILD STEEL- Standard-Duty |
Header Fasteners Included |
Yes |
Header Finish |
BLACK MAXX Satin Black Ceramic-Metallic |
Header Material |
Mild Steel |
Header Port Shape |
Round |
Header Style |
Long Tube |
Installation Hardware Included |
Yes |
Manual Transmission - Column |
No |
Manual Transmission - Floor |
Yes |
Material |
Mild Steel |
Motor Mounts Included |
No |
Mounting Hardware Included |
Yes |
Notes |
67-87 GM 1/2, 3/4 Ton Truck 396-502 |
Package Contents |
Headers, ball and socket reducers (exhaust adapters), gaskets, mounting hardware |
Port Shape |
Round |
Power Steering |
Yes |
Primary Tube Diameter (in) |
1.75 in. |
Primary Tube Gauge |
16g |
Quantity |
Sold as a pair. |
Reducer Outlet Size |
2-1/2 in. |
Reducers Included |
Yes |
Replacement Gasket |
27530 |
Replacement Head Flange Gasket |
27530 |
Title |
HEDMAN HEDDERS CHEVY BB 4WD- BLACK MAXX |
Tube Design |
Standard |
Tube Diameter |
1-3/4 in. |
Tube Length |
Long Tubes |
Tube Material Thickness |
16g |
Tube Size |
1-3/4 in. |
Tube Style |
Long Tubes |
Tuned |
No |
Variations |
69280, 69288 |
Weld-Up |
No |
with A.I.R. System |
No |
with EGR |
No |
Y-Pipe Included |
No |
Length |
8.0000 |
Width |
17.0000 |
Height |
39.0000 |
Weight |
26.0000 |