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Specifications:
| Description_DEF | [B@11c13cc6 |
| Description_DES | [B@5d9504a1 |
| Description_EXT | [B@6a975b21 |
| Description_FAB | [B@b240177 |
| Description_FAB | [B@139b2bd9 |
| Description_FAB | [B@665e8507 |
| Description_FAB | [B@364084be |
| Description_FAB | [B@1d4404b8 |
| Description_FAB | [B@57cb312a |
| Description_INV | [B@45afe069 |
| Description_SHO | [B@7778e916 |
| Title | HEDMAN HEDDERS 67-87 C10/C20 TRUCKS AND SUVS WITH BB CHEVY; STANDARD UNCOATED HEADERS; 2 IN. TUBE DIA.; 3 IN. COLL.; MID-LENGTH DESIGN |
| Tube Diameter | 2 in. |
| Header Construction | MILD STEEL- Standard-Duty |
| Replacement Gasket | 27540 |
| Replacement Head Flange Gasket | 27540 |
| California Proposition 65 | WARNING: Cancer. For more info visit www.P65Warnings.ca.gov |
| Tube Style | Mid-Length |
| Air Conditioning | Yes |
| Automatic Transmission - Column | Yes |
| Automatic Transmission - Floor | Yes |
| Manual Transmission - Column | Yes |
| Manual Transmission - Floor | Yes |
| Transmission Compatibility | Automatic Transmission |
| Power Steering | Yes |
| Tube Size | 2 in. |
| Tube Length | Mid-Length Tubes |
| Reducer Outlet Size | 2-1/2 in. |
| Clutch Notes | NOT For Use With factory Hydraulic Clutch/Slave Cylinder. Z-Bar Linkage OK |
| Chassis Compatibility | NOT For Vehicles With Offset (right) Engine Position! |
| Collector Attachment | 3 in. |
| Collector Diameter | 3 in. |
| Collector Size | 3 in. |
| Collector Style | BALL and SOCKET Style (Gasketless) |
| Exhaust System Dia | 2-1/2 in. |
| Tube Design | Standard |
| Contents | headers, gaskets (when applicable), 3-bolt exhaust adapters, hardware |
| E.O. # | No |
| Emissions Notes | Not Legal For Street Use on '75-Later Model Years! Legal for off-road use only. |
| Engine Notes | Fits 396-502 BB Chevy Engines |
| Finish | Uncoated |
| Finish Type | UNCOATED Mild Steel! Shipped with Temporary Paint. |
| Flange Style | Standard |
| Flange Thickness | 0.375 in. |
| Header Port Shape | Round |
| Header Style | Mid-Length Tube |
| IMPORTANT! | Vehicle must be setup as if came from the factory with a Big Block Chevy engine. |
| Port Shape | Round |
| Material | Mild Steel |
| Transmission Notes | TAILSHAFT Style Crossmember Only. Not for Bellhousing Style Crossmember. (14) |
| Mounting Hardware Included | Yes |
| Installation Notes | Must Use Factory BB Chevy engine mounts and hardware. (112) |
| with A.I.R. System | No |
| with EGR | No |
| Weld-Up | No |
| Tuned | No |
| Bolts/Studs Included | Yes |
| Catalytic Converter(s) Included | No |
| Collector Bolts Included | Yes |
| Crossover Pipe Included | No |
| Gasket Or Seal Included | Yes |
| Header Fasteners Included | Yes |
| Installation Hardware Included | Yes |
| Motor Mounts Included | No |
| Reducers Included | Yes |
| Tube Material Thickness | 16g |
| Y-Pipe Included | No |
| Quantity | Sold as a pair. |
| Primary Tube Gauge | 16g |
| Primary Tube Diameter (in) | 2 in. |
| Package Contents | Headers, ball and socket reducers (exhaust adapters), gaskets, mounting hardware |
| Header Material | Mild Steel |
| Header Finish | Uncoated |
| Cylinder Head Port Shape | Round |
| Cylinder Head | Stock Profile Heads |
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1975,1977-1978 | GMC | C15 Suburban,C25 Suburban | Base Sport Utility 4-Door |
| 1975,1978 | GMC | C15 Suburban | Sierra Grande Sport Utility 4-Door |
| 1975-1977,1979-1980,1982-1986 | Chevrolet | C20 Suburban | Silverado Sport Utility 4-Door |
| 1975-1978 | GMC | C15 Suburban,C25 Suburban | Base Sport Utility 4-Door |
| 1975-1978 | GMC | C15 Suburban,C25 Suburban | Sierra Classic Sport Utility 4-Door |
| 1975-1978 | GMC | C15,C25 | Base Cab & Chassis 2-Door |
| 1975-1978 | GMC | C15,C25 | Base Standard Cab Pickup 2-Door |
| 1975-1978 | GMC | C15,C25 | High Sierra Cab & Chassis 2-Door |
| 1975-1978 | GMC | C15,C25 | High Sierra Standard Cab Pickup 2-Door |
| 1975-1978 | GMC | C15,C25 | Sierra Classic Cab & Chassis 2-Door |
| 1975-1978 | GMC | C15,C25 | Sierra Classic Standard Cab Pickup 2-Door |
| 1975-1978 | GMC | C15,C25 | Sierra Grande Standard Cab Pickup 2-Door |
| 1975-1978 | GMC | C25 | Base Cab & Chassis 4-Door |
| 1975-1978 | GMC | C25 | Base Crew Cab Pickup 4-Door |
| 1975-1978 | GMC | C25 | High Sierra Cab & Chassis 4-Door |
| 1975-1978 | GMC | C25 | High Sierra Crew Cab Pickup 4-Door |
| 1975-1978 | GMC | C25 | Sierra Classic Cab & Chassis 4-Door |
| 1975-1978 | GMC | C25 | Sierra Classic Crew Cab Pickup 4-Door |
| 1975-1978 | GMC | C25 | Sierra Grande Cab & Chassis 4-Door |
| 1975-1978 | GMC | C25 | Sierra Grande Crew Cab Pickup 4-Door |
| 1975-1978 | GMC | C25 Suburban,C15 Suburban | High Sierra Sport Utility 4-Door |
| 1975-1978 | GMC | C25 Suburban,C15 Suburban | Sierra Grande Sport Utility 4-Door |
| 1975-1978 | GMC | C25,C15 | Sierra Grande Cab & Chassis 2-Door |
| 1975-1978,1980 | Chevrolet | C20 | Custom Deluxe Cab & Chassis 2-Door |
| 1975-1978,1980 | Chevrolet | C20 | Custom Deluxe Standard Cab Pickup 2-Door |
| 1975-1980 | Chevrolet | C10 | Cheyenne Cab & Chassis 2-Door |
| 1975-1980 | Chevrolet | C10 | Cheyenne Standard Cab Pickup 2-Door |
| 1975-1980 | Chevrolet | C10 | Custom Standard Cab Pickup 2-Door |
| 1975-1980 | Chevrolet | C10 | Scottsdale Cab & Chassis 2-Door |
| 1975-1980 | Chevrolet | C10 | Scottsdale Standard Cab Pickup 2-Door |
| 1975-1980 | Chevrolet | C10 | Silverado Cab & Chassis 2-Door |
| 1975-1980 | Chevrolet | C10 | Silverado Standard Cab Pickup 2-Door |
| 1975-1980 | Chevrolet | C10 Suburban | Scottsdale Sport Utility 4-Door |
| 1975-1980 | Chevrolet | C10 Suburban | Silverado Sport Utility 4-Door |
| 1975-1980 | Chevrolet | C20 | Custom Deluxe Cab & Chassis 4-Door |
| 1975-1980 | Chevrolet | C20 | Custom Deluxe Crew Cab Pickup 4-Door |
| 1975-1980 | Chevrolet | C20 Suburban,C10 Suburban | Custom Deluxe Sport Utility 4-Door |
| 1975-1980 | Chevrolet | C20,C10 | Custom Deluxe Cab & Chassis 2-Door |
| 1975-1980 | Chevrolet | C20,C10 | Custom Deluxe Standard Cab Pickup 2-Door |
| 1975-1980,1982,1984-1986 | Chevrolet | C20 Suburban | Scottsdale Sport Utility 4-Door |
| 1975-1981 | Chevrolet | C20 | Cheyenne Cab & Chassis 2-Door |
| 1975-1981 | Chevrolet | C20 | Cheyenne Cab & Chassis 4-Door |
| 1975-1981 | Chevrolet | C20 | Cheyenne Crew Cab Pickup 4-Door |
| 1975-1981,1986 | Chevrolet | C20 | Cheyenne Standard Cab Pickup 2-Door |
| 1975-1982 | Chevrolet | C20 | Silverado Cab & Chassis 4-Door |
| 1975-1983 | Chevrolet | C20 | Scottsdale Cab & Chassis 4-Door |
| 1975-1986 | Chevrolet | C20 | Scottsdale Cab & Chassis 2-Door |
| 1975-1986 | Chevrolet | C20 | Scottsdale Crew Cab Pickup 4-Door |
| 1975-1986 | Chevrolet | C20 | Scottsdale Standard Cab Pickup 2-Door |
| 1975-1986 | Chevrolet | C20 | Silverado Cab & Chassis 2-Door |
| 1975-1986 | Chevrolet | C20 | Silverado Crew Cab Pickup 4-Door |
| 1975-1986 | Chevrolet | C20 | Silverado Standard Cab Pickup 2-Door |
| 1976,1978 | GMC | C15 Suburban | High Sierra Sport Utility 4-Door |
| 1976-1980 | Chevrolet | C10,C20 | Cheyenne Cab & Chassis 2-Door |
| 1976-1980 | Chevrolet | C10,C20 | Scottsdale Cab & Chassis 2-Door |
| 1976-1980 | Chevrolet | C10,C20 | Silverado Standard Cab Pickup 2-Door |
| 1976-1980 | Chevrolet | C20,C10 | Cheyenne Standard Cab Pickup 2-Door |
| 1976-1980 | Chevrolet | C20,C10 | Scottsdale Standard Cab Pickup 2-Door |
| 1976-1980 | Chevrolet | C20,C10 | Silverado Cab & Chassis 2-Door |
| 1977 | GMC | C15 | Heavy Half Cab & Chassis 2-Door |
| 1977 | GMC | C15 | Indy Hauler Standard Cab Pickup 2-Door |
| 1977-1978 | GMC | C15 | Heavy Half Standard Cab Pickup 2-Door |
| 1977-1978 | GMC | C25 Suburban | High Sierra Sport Utility 4-Door |
| 1977-1978 | GMC | C25,C15 | Sierra Grande Standard Cab Pickup 2-Door |
| 1978 | GMC | C15 | Street Coupe Standard Cab Pickup 2-Door |
| 1978-1980 | Chevrolet | C10 | Big Ten Standard Cab Pickup 2-Door |
| 1979-1980 | GMC | C1500 | Base Cab & Chassis 2-Door |
| 1979-1980 | GMC | C1500 | Base Standard Cab Pickup 2-Door |
| 1979-1980 | GMC | C1500 | Heavy Half Standard Cab Pickup 2-Door |
| 1979-1980 | GMC | C1500 | High Sierra Cab & Chassis 2-Door |
| 1979-1980 | GMC | C1500 | High Sierra Standard Cab Pickup 2-Door |
| 1979-1980 | GMC | C1500 | Sierra Classic Cab & Chassis 2-Door |
| 1979-1980 | GMC | C1500 | Sierra Classic Standard Cab Pickup 2-Door |
| 1979-1980 | GMC | C1500 | Sierra Grande Cab & Chassis 2-Door |
| 1979-1980 | GMC | C1500 | Sierra Grande Standard Cab Pickup 2-Door |
| 1979-1980 | GMC | C1500 | Street Coupe Standard Cab Pickup 2-Door |
| 1979-1980 | GMC | C1500 Suburban | Base Sport Utility 4-Door |
| 1979-1980 | GMC | C1500 Suburban | High Sierra Sport Utility 4-Door |
| 1979-1980 | GMC | C1500 Suburban | Sierra Classic Sport Utility 4-Door |
| 1979-1980 | GMC | C1500 Suburban | Sierra Grande Sport Utility 4-Door |
| 1979-1982 | GMC | C2500 | Base Cab & Chassis 4-Door |
| 1979-1982 | GMC | C2500 | High Sierra Cab & Chassis 4-Door |
| 1979-1982 | GMC | C2500 | Sierra Classic Cab & Chassis 4-Door |
| 1979-1982 | GMC | C2500 | Sierra Grande Cab & Chassis 2-Door |
| 1979-1982 | GMC | C2500 | Sierra Grande Cab & Chassis 4-Door |
| 1979-1982 | GMC | C2500 | Sierra Grande Crew Cab Pickup 4-Door |
| 1979-1982 | GMC | C2500 | Sierra Grande Standard Cab Pickup 2-Door |
| 1979-1982 | GMC | C2500 Suburban | Sierra Grande Sport Utility 4-Door |
| 1979-1986 | GMC | C2500 | Base Cab & Chassis 2-Door |
| 1979-1986 | GMC | C2500 | Base Crew Cab Pickup 4-Door |
| 1979-1986 | GMC | C2500 | Base Standard Cab Pickup 2-Door |
| 1979-1986 | GMC | C2500 | High Sierra Crew Cab Pickup 4-Door |
| 1979-1986 | GMC | C2500 | High Sierra Standard Cab Pickup 2-Door |
| 1979-1986 | GMC | C2500 | Sierra Classic Cab & Chassis 2-Door |
| 1979-1986 | GMC | C2500 | Sierra Classic Crew Cab Pickup 4-Door |
| 1979-1986 | GMC | C2500 | Sierra Classic Standard Cab Pickup 2-Door |
| 1979-1986 | GMC | C2500 Suburban | Base Sport Utility 4-Door |
| 1979-1986 | GMC | C2500 Suburban | High Sierra Sport Utility 4-Door |
| 1979-1986 | GMC | C2500 Suburban | Sierra Classic Sport Utility 4-Door |
| 1980-1986 | GMC | C2500 | High Sierra Cab & Chassis 2-Door |
| 1981 | Chevrolet | C20 | Deluxe Cab & Chassis 2-Door |
| 1981 | Chevrolet | C20 | Deluxe Cab & Chassis 4-Door |
| 1981 | Chevrolet | C20 | Deluxe Crew Cab Pickup 4-Door |
| 1981 | Chevrolet | C20 | Deluxe Standard Cab Pickup 2-Door |
| 1981 | Chevrolet | C20 Suburban | Deluxe Sport Utility 4-Door |
| 1981-1982 | Chevrolet | C20 | Custom Cab & Chassis 4-Door |
| 1981-1986 | Chevrolet | C20 | Custom Cab & Chassis 2-Door |
| 1981-1986 | Chevrolet | C20 | Custom Crew Cab Pickup 4-Door |
| 1981-1986 | Chevrolet | C20 | Custom Standard Cab Pickup 2-Door |
| 1981-1986 | Chevrolet | C20 Suburban | Custom Sport Utility 4-Door |
| 1986 | GMC | C2500 | Base Extended Cab Pickup 2-Door |
| 1986 | GMC | C2500 | High Sierra Extended Cab Pickup 2-Door |
| 1986 | GMC | C2500 | Sierra Classic Extended Cab Pickup 2-Door |
| 1987 | Chevrolet | R20 | Custom Deluxe Cab & Chassis 2-Door |
| 1987 | Chevrolet | R20 | Custom Deluxe Crew Cab Pickup 4-Door |
| 1987 | Chevrolet | R20 | Custom Deluxe Standard Cab Pickup 2-Door |
| 1987 | Chevrolet | R20 | Scottsdale Cab & Chassis 2-Door |
| 1987 | Chevrolet | R20 | Scottsdale Crew Cab Pickup 4-Door |
| 1987 | Chevrolet | R20 | Scottsdale Standard Cab Pickup 2-Door |
| 1987 | Chevrolet | R20 | Silverado Cab & Chassis 2-Door |
| 1987 | Chevrolet | R20 | Silverado Crew Cab Pickup 4-Door |
| 1987 | Chevrolet | R20 | Silverado Standard Cab Pickup 2-Door |
| 1987 | Chevrolet | V20 Suburban | Custom Deluxe Sport Utility 4-Door |
| 1987 | Chevrolet | V20 Suburban | Scottsdale Sport Utility 4-Door |
| 1987 | Chevrolet | V20 Suburban | Silverado Sport Utility 4-Door |