| Description_ASM |
1969-1974 Chevrolet Blazer CID 396 4WD, 1987 Chevrolet Blazer CID 396 4WD, 1969-1974 Chevrolet Blazer CID 396 RWD, 1969-1974 Chevrolet Blazer CID 454 4WD, 1987 Chevrolet Blazer CID 454 4WD, 1969-1974 Chevrolet Blazer CID 454 RWD, 1975-1986 Chevrolet C20 CID 396, 1975-1986 Chevrolet C20 CID 454, 1967 Chevrolet C20 Panel CID 396, 1967 Chevrolet C20 Panel CID 454, 1967-1974 Chevrolet C20 Pickup CID 396, 1967-1974 Chevrolet C20 Pickup CID 454, 1968-1986 Chevrolet C20 Suburban CID 396, 1968-1986 Chevrolet C20 Suburban CID 454, 1975-1986 Chevrolet C30 CID 396, 1975-1986 Chevrolet C30 CID 454, 1967-1974 Chevrolet C30 Pickup CID 396, 1967-1974 Chevrolet C30 Pickup CID 454, 1975-1986 Chevrolet K10 CID 396, 1975-1986 Chevrolet K10 CID 454, 1968-1974 Chevrolet K10 Pickup CID 396, 1968-1974 Chevrolet K10 Pickup CID 454, 1975-1986 Chevrolet K20 CID 396, 1975-1986 Chevrolet K20 CID 454, 1968-1974 Chevrolet K20 Pickup CID 396, 1968-1974 Chevrolet K20 Pickup CID 454, 1968-1986 Chevrolet K20 Suburban CID 396, 1968-1986 Chevrolet K20 Suburban CID 454, 1975-1986 Chevrolet K5 Blazer CID 396, 1975-1986 Chevrolet K5 Blazer CID 454, 1987 Chevrolet R20 CID 396, 1987 Chevrolet R20 CID 454, 1987-1988 Chevrolet R20 Suburban CID 396, 1987-1988 Chevrolet R20 Suburban CID 454, 1989-1991 Chevrolet R2500 Suburban CID 396, 1989-1991 Chevrolet R2500 Suburban CID 454, 1987 Chevrolet R30 CID 396, 1987 Chevrolet R30 CID 454, 1987 Chevrolet V10 CID 396, 1987 Chevrolet V10 CID 454, 1987 Chevrolet V20 CID 396, 1987 Chevrolet V20 CID 454, 1987 Chevrolet V20 Suburban CID 396, 1987 Chevrolet V20 Suburban CID 454, 1975-1978 GMC C25 CID 396, 1975-1978 GMC C25 CID 454, 1975-1978 GMC C25 Suburban CID 396, 1975-1978 GMC C25 Suburban CID 454, 1967-1974 GMC C25/C2500 Pickup CID 396, 1967-1974 GMC C25/C2500 Pickup CID 454, 1968-1974 GMC C25/C2500 Suburban CID 396, 1968-1974 GMC C25/C2500 Suburban CID 454, 1979-1986 GMC C2500 CID 396, 1979-1986 GMC C2500 CID 454 ...See Application Guide for Additional Fitments |
| Description_DEF |
Exhaust Header |
| Description_DES |
CHEVY PU SMOG BB 2 & 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_EXT |
CHEVY PU SMOG BB 2 & 4WD- BLACK MAXX |
| Description_INV |
HEDMAN GM TRUCK HEADERS-BLACK |
| 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 |
| Chassis Compatibility |
NOT For Vehicles With Offset (right) Engine Position! |
| Collector Attachment |
3 in. |
| Collector Bolts Included |
Yes |
| Collector Diameter |
3 in. |
| Collector Size |
3 in. |
| Collector Style |
BALL and SOCKET Style (Gasketless) |
| Contents |
Header(s), new bolts, gasket(s) to head, reducer(s) and hardware, instructions |
| Crossover Pipe Included |
No |
| Cylinder Head |
Stock Profile Heads |
| Cylinder Head Port Shape |
Round |
| E.O. # |
No |
| Emissions Notes |
Not currently legal for sale or use in California. Please call for status update |
| 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 |
| Key Feature |
With A.I.R. |
| Manual Transmission - Column |
Yes |
| Manual Transmission - Floor |
Yes |
| Material |
Mild Steel |
| Motor Mounts Included |
No |
| Mounting Hardware Included |
Yes |
| Notes |
68-91 GM 1/2, 3/4, 1 Ton Truck/SUV 2-4WD 396-502 w/AIR |
| 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 PU SMOG BB 2 & 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 |
69111, 69821 |
| Weld-Up |
No |
| with A.I.R. System |
Yes |
| with EGR |
No |
| Y-Pipe Included |
No |
| Length |
8.0000 |
| Width |
17.0000 |
| Height |
39.0000 |
| Weight |
33.0000 |
