| Description_ASM |
1975-1986 Chevrolet C10 CID 396 GAS, 1975-1986 Chevrolet C10 CID 454 GAS, 1975-1986 Chevrolet C10 CID 502 GAS, 1967 Chevrolet C10 Panel CID 396 GAS, 1967 Chevrolet C10 Panel CID 454 GAS, 1967 Chevrolet C10 Panel CID 502 GAS, 1967-1974 Chevrolet C10 Pickup CID 396 GAS, 1967-1974 Chevrolet C10 Pickup CID 454 GAS, 1967-1974 Chevrolet C10 Pickup CID 502 GAS, 1968-1986 Chevrolet C10 Suburban CID 396 GAS, 1968-1986 Chevrolet C10 Suburban CID 454 GAS, 1968-1986 Chevrolet C10 Suburban CID 502 GAS, 1975-1986 Chevrolet C20 CID 396 GAS, 1975-1986 Chevrolet C20 CID 454 GAS, 1975-1986 Chevrolet C20 CID 502 GAS, 1967-1974 Chevrolet C20 Pickup CID 396 GAS, 1967-1974 Chevrolet C20 Pickup CID 454 GAS, 1967-1974 Chevrolet C20 Pickup CID 502 GAS, 1968-1986 Chevrolet C20 Suburban CID 396 GAS, 1968-1986 Chevrolet C20 Suburban CID 454 GAS, 1968-1986 Chevrolet C20 Suburban CID 502 GAS, 1987 Chevrolet R10 CID 396 GAS, 1987 Chevrolet R10 CID 454 GAS, 1987 Chevrolet R10 CID 502 GAS, 1987-1988 Chevrolet R10 Suburban CID 396 GAS, 1987-1988 Chevrolet R10 Suburban CID 454 GAS, 1987-1988 Chevrolet R10 Suburban CID 502 GAS, 1987 Chevrolet R20 CID 396 GAS, 1987 Chevrolet R20 CID 454 GAS, 1987 Chevrolet R20 CID 502 GAS, 1987-1988 Chevrolet R20 Suburban CID 396 GAS, 1987-1988 Chevrolet R20 Suburban CID 454 GAS, 1987-1988 Chevrolet R20 Suburban CID 502 GAS, 1989-1991 Chevrolet R2500 Suburban CID 396 GAS, 1989-1991 Chevrolet R2500 Suburban CID 454 GAS, 1989-1991 Chevrolet R2500 Suburban CID 502 GAS, 1975-1978 GMC C15 CID 396 GAS, 1975-1978 GMC C15 CID 454 GAS, 1975-1978 GMC C15 CID 502 GAS, 1975-1978 GMC C15 Suburban CID 396 GAS, 1975-1978 GMC C15 Suburban CID 454 GAS, 1975-1978 GMC C15 Suburban CID 502 GAS, 1967-1974 GMC C15/C1500 Pickup CID 396 GAS, 1967-1974 GMC C15/C1500 Pickup CID 454 GAS, 1967-1974 GMC C15/C1500 Pickup CID 502 GAS, 1968-1974 GMC C15/C1500 Suburban CID 396 GAS, 1968-1974 GMC C15/C1500 Suburban CID 454 GAS ...See Application Guide for Additional Fitments |
| Description_DES |
67-87 C10/C20 BB CHEVY PICKUP (2WD); 1-3/4 in. MID-LENGTH TUBES- HTC COATED |
| Description_DEF |
Exhaust Header |
| Description_INV |
HEDMAN GM TRUCK HEADERS-SILVER |
| Description_EXT |
Standard HTC coated Headers; 67-87 CHEVY C10/C20 with BB Chevy; 1-3/4 in. Tube Dia; 3 in. Coll.; MID-LENGTH Design |
| Description_FAB |
Handcrafted, Mild Steel Construction. |
| Description_FAB |
The Mid-Length Tube Header Design Provides Significantly More Low and Mid-range Power than Cast Manifolds, and Provide Better Ground Clearance And Component Compatibility Than Long Tube Headers. |
| 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 |
| Chassis Compatibility |
NOT For Vehicles With Offset (right) Engine Position! |
| Clutch Notes |
Must use 1975 and later model clutch linkage located at rear of engine. (139) |
| 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 |
| E.O. # |
No |
| Emissions Notes |
Not Legal For Street Use on '75-Later Model Years! Legal for off-road use only. |
| Exhaust System Dia |
2-1/2 in. |
| Finish |
HTC Polished Silver Ceramic-Metallic |
| Finish Type |
HTC SILVER (polished) Ceramic-metallic Coating |
| Flange Style |
Standard |
| Flange Thickness |
0.375 in. |
| Gasket Or Seal Included |
Yes |
| Header Construction |
MILD STEEL- Standard-Duty |
| Header Fasteners Included |
Yes |
| Header Finish |
HTC Polished Silver Ceramic-Metallic |
| Header Material |
Mild Steel |
| Header Port Shape |
Square |
| Header Style |
Mid-Length Tube |
| IMPORTANT! |
Vehicle must be setup as if came from the factory with a Big Block Chevy engine. |
| Installation Hardware Included |
Yes |
| Installation Notes |
Must Use Factory BB Chevy engine mounts and hardware. (112) |
| Manual Transmission - Column |
Yes |
| Manual Transmission - Floor |
Yes |
| Material |
Mild Steel |
| Materials |
Constructed using mild steel 14g Tubes and 3/8 in. flanges. |
| Motor Mounts Included |
No |
| Mounting Hardware Included |
Yes |
| Notes |
68-87 GM 1/2 and 3/4 Ton Truck, SUV 396-502 2WD |
| Package Contents |
Headers, ball and socket reducers (exhaust adapters), gaskets, mounting hardware |
| Port Shape |
Square |
| 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 |
27550 |
| Title |
HEDMAN HEDDERS STANDARD HTC COATED HEADERS; 67-87 CHEVY C10/C20 WITH BB CHEVY; 1-3/4 IN. TUBE DIA; SQUARE PORT; 3 IN. COLL.; MID-LENGTH DESIGN |
| Transmission Compatibility |
Automatic Transmission |
| Transmission Notes |
TAILSHAFT Style Crossmember Only. Not for Bellhousing Style Crossmember. (14) |
| Tube Design |
Standard |
| Tube Diameter |
1-3/4 in. |
| Tube Length |
Mid-Length Tubes |
| Tube Material Thickness |
16g |
| Tube Size |
1-3/4 in. |
| Tube Style |
Mid-Length |
| Tuned |
No |
| Weld-Up |
No |
| with A.I.R. System |
No |
| with EGR |
No |
| Y-Pipe Included |
No |
| Length |
9.0000 |
| Width |
17.0000 |
| Height |
31.0000 |
| Weight |
27.0000 |
