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Specifications:
| Description_DEF | [B@3b240cbf |
| Description_DES | [B@48bd4e07 |
| Description_EXT | [B@4472c7c9 |
| Description_FAB | [B@421ba19e |
| Description_FAB | [B@59c10c96 |
| Description_FAB | [B@7baebcdf |
| Description_FAB | [B@29b060ec |
| Description_FAB | [B@36b83315 |
| Description_FAB | [B@674c3ce8 |
| Description_INV | [B@698a2c9a |
| Description_SHO | [B@43179647 |
| Title | HEDMAN HEDDERS STANDARD UNCOATED HEADERS; 1-3/4 IN. TUBE DIA.; 3 IN. COLL.; FULL LENGTH DESIGN |
| Tube Diameter | 1-3/4 in. |
| Reducers Included | Yes |
| 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 |
| Mounting Hardware Included | Yes |
| Y-Pipe Included | No |
| Variations | 66381 |
| Quantity | Sold as a pair. |
| Primary Tube Gauge | 16g |
| Primary Tube Diameter (in) | 1.75 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 |
| Header Construction | MILD STEEL- Standard-Duty |
| Replacement Gasket | 27530 |
| Replacement Head Flange Gasket | 27530 |
| California Proposition 65 | WARNING: Cancer. For more info visit www.P65Warnings.ca.gov |
| with A.I.R. System | Yes |
| Tube Size | 1-3/4 in. |
| Tube Style | Long Tubes |
| Air Conditioning | Yes |
| Automatic Transmission - Column | Yes |
| Automatic Transmission - Floor | Yes |
| Manual Transmission - Column | No |
| Manual Transmission - Floor | Yes |
| Tube Material Thickness | 16g |
| Material | Mild Steel |
| Tube Design | Standard |
| Tube Length | Long Tubes |
| Flange Thickness | 0.3125 in. |
| Exhaust System Dia | 2-1/2 in. |
| Reducer Outlet Size | 2-1/2 in. |
| Collector Attachment | 3 in. |
| Collector Diameter | 3 in. |
| Collector Size | 3 in. |
| Notes | 67-91 Chev. 1/2, 3/4, 1 Ton Truck 396-502 w/A.I.R. |
| Collector Style | BALL and SOCKET Style (Gasketless) |
| Emissions Notes | EO# D167-33 (click here for covered vehicles in document on ARB.CA.GOV website) |
| Contents | headers, gaskets (when applicable), 3-bolt exhaust adapters, hardware |
| Header Style | Long Tube |
| Header Port Shape | Round |
| Port Shape | Round |
| Flange Style | Standard |
| Finish | Uncoated |
| Finish Type | UNCOATED Mild Steel! Shipped with Temporary Paint. |
| E.O. # | Yes |
| Power Steering | Yes |
This Part Fits:
| Year | Make | Model | Submodel | Engine |
|---|---|---|---|---|
| 1982-1986 | Chevrolet | K30 | Custom Cab & Chassis 2-Door | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated |
| 1982-1986 | Chevrolet | K30 | Custom Cab & Chassis 2-Door | 4.8L 292Cu. In. l6 GAS OHV Naturally Aspirated |
| 1982-1986 | Chevrolet | K30 | Custom Cab & Chassis 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1982-1986 | Chevrolet | K30 | Custom Cab & Chassis 4-Door | 4.8L 292Cu. In. l6 GAS OHV Naturally Aspirated |
| 1982-1986 | Chevrolet | K30 | Custom Cab & Chassis 4-Door | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated |
| 1982-1986 | Chevrolet | K30 | Custom Cab & Chassis 4-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1982-1986 | Chevrolet | K30 | Custom Crew Cab Pickup 4-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1982-1986 | Chevrolet | K30 | Custom Crew Cab Pickup 4-Door | 4.8L 292Cu. In. l6 GAS OHV Naturally Aspirated |
| 1982-1986 | Chevrolet | K30 | Custom Crew Cab Pickup 4-Door | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated |
| 1982-1986 | Chevrolet | K30 | Custom Standard Cab Pickup 2-Door | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated |
| 1982-1986 | Chevrolet | K30 | Custom Standard Cab Pickup 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1982-1986 | Chevrolet | K30 | Custom Standard Cab Pickup 2-Door | 4.8L 292Cu. In. l6 GAS OHV Naturally Aspirated |
| 1982-1986 | GMC | K3500 | Base Cab & Chassis 2-Door | 4.8L 292Cu. In. l6 GAS OHV Naturally Aspirated |
| 1982-1986 | GMC | K3500 | Base Cab & Chassis 2-Door | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated |
| 1982-1986 | GMC | K3500 | Base Cab & Chassis 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1982-1986 | GMC | K3500 | Base Cab & Chassis 4-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1982-1986 | GMC | K3500 | Base Cab & Chassis 4-Door | 4.8L 292Cu. In. l6 GAS OHV Naturally Aspirated |
| 1982-1986 | GMC | K3500 | Base Cab & Chassis 4-Door | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated |
| 1982-1986 | GMC | K3500 | Base Crew Cab Pickup 4-Door | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated |
| 1982-1986 | GMC | K3500 | Base Crew Cab Pickup 4-Door | 4.8L 292Cu. In. l6 GAS OHV Naturally Aspirated |
| 1982-1986 | GMC | K3500 | Base Crew Cab Pickup 4-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1982-1986 | GMC | K3500 | Base Standard Cab Pickup 2-Door | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated |
| 1982-1986 | GMC | K3500 | Base Standard Cab Pickup 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1982-1986 | GMC | K3500 | Base Standard Cab Pickup 2-Door | 4.8L 292Cu. In. l6 GAS OHV Naturally Aspirated |
| 1988-1991 | Chevrolet | K3500 | Cheyenne Cab & Chassis 2-Door | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated |
| 1988-1991 | Chevrolet | K3500 | Cheyenne Cab & Chassis 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1988-1991 | Chevrolet | K3500 | Cheyenne Extended Cab Pickup 2-Door | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated |
| 1988-1991 | Chevrolet | K3500 | Cheyenne Extended Cab Pickup 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1988-1991 | Chevrolet | K3500 | Cheyenne Standard Cab Pickup 2-Door | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated |
| 1988-1991 | Chevrolet | K3500 | Cheyenne Standard Cab Pickup 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1988-1991 | GMC | K3500 | Sierra Cab & Chassis 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1988-1991 | GMC | K3500 | Sierra Cab & Chassis 2-Door | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated |
| 1988-1991 | GMC | K3500 | Sierra Extended Cab Pickup 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1988-1991 | GMC | K3500 | Sierra Extended Cab Pickup 2-Door | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated |
| 1988-1991 | GMC | K3500 | Sierra Standard Cab Pickup 2-Door | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated |
| 1988-1991 | GMC | K3500 | Sierra Standard Cab Pickup 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |