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Hedman Hedders has been manufacturing quality headers in the USA since 1954, and they've been manufacturing long and mid-length tube headers for Chevy trucks for nearly as long. Each set uses mild steel, smooth flowing, CNC mandrel bent tubes, that are hand-welded to ensure each pair is identical to the next. Hedman's unique, gasketless ball and socket collector design allows your Big Block 7.4L Chevy exhaust system to bolt up, even if it is not perfectly aligned with the header collectors.
These HTC coated, LONG-TUBE headers fit 1988-95 2WD (only) 3/4 & 1 ton Chevy Trucks with a factory 7.4L Chevy powerplant (check the application listings for exact fitment). This header series will also fit C1500 big-block swaps, as long as the big-block is offset to the passenger side like a factory engine. The smooth 1-3/4 in. tube design provides ample exhaust flow to let your OBS Chevy truck's Big Block engine breathe easy, and produce maximum horsepower and torque.
Each set includes a pair of gaskets, header flange bolts and collector bolts. No collector gasket is needed.
Hedman Hedders is so confident in the quality of its headers that these headers are factory backed by a Limited Lifetime Warranty. These headers have a high temperature, POLISHED-SILVER ceramic finish that resists corrosion, and can withstand temperatures up to 1400 degree F. This finish is covered by a 5-year factory warranty, in addition to Hedman's standard lifetime header warranty.
Specifications:
| Description_DEF | [B@7f0b3eff |
| Description_DES | [B@7be45da6 |
| Description_EXT | [B@3ffaaaf4 |
| Description_FAB | [B@2c12c8db |
| Description_FAB | [B@a48e760 |
| Description_FAB | [B@539882e2 |
| Description_FAB | [B@39df3f6f |
| Description_FAB | [B@3b17c9f |
| Description_FAB | [B@4e8fe86e |
| Description_INV | [B@5917fccf |
| Description_MKT | [B@19f394c5 |
| Description_SHO | [B@112e56e0 |
| Cylinder Head | Stock Profile Heads |
| Title | HEDMAN HEDDERS HTC COATED HEADERS; 1-3/4 IN. TUBE DIA.; 3 IN. COLL.; FULL LENGTH DESIGN |
| Cylinder Head Port Shape | Round |
| Header Construction | MILD STEEL- Standard-Duty |
| Replacement Gasket | 27530 |
| Replacement Head Flange Gasket | 27530 |
| California Proposition 65 | WARNING: Cancer & Reproductive Harm. For more info visit www.P65Warnings.ca.gov |
| with A.I.R. System | No |
| 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 |
| 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 | 69450, 69850 |
| 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 | HTC Polished Silver Ceramic-Metallic |
| Flange Thickness | 0.3125 in. |
| Footnotes | 127. Late Model Chassis. ENGINE OFFSET to passenger side of vehicle. |
| 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 | 88-95 1/2, 3/4, 1 Ton Truck/SUV 396-502 |
| Collector Style | BALL and SOCKET Style (Gasketless) |
| Contents | headers, gaskets (when applicable), 3-bolt exhaust adapters, hardware |
| Finish | HTC Polished Silver Ceramic-Metallic |
| Finish Type | HTC SILVER (polished) Ceramic-metallic Coating |
| Header Style | Long Tube |
| E.O. # | No |
| Emissions Notes | Not Legal For Street Use on '75-Later Model Years! Legal for off-road use only. |
| Header Port Shape | Round |
| Port Shape | Round |
| Flange Style | Standard |
| Power Steering | Yes |
This Part Fits:
| Year | Make | Model | Submodel | Engine |
|---|---|---|---|---|
| 1988-1993 | Chevrolet | C3500 | Cheyenne Cab & Chassis 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1988-1993 | Chevrolet | C3500 | Cheyenne Cab & Chassis 2-Door | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated |
| 1988-1993 | Chevrolet | C3500 | Cheyenne Extended Cab Pickup 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1988-1993 | Chevrolet | C3500 | Cheyenne Extended Cab Pickup 2-Door | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated |
| 1988-1993 | Chevrolet | C3500 | Cheyenne Standard Cab Pickup 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1988-1993 | Chevrolet | C3500 | Cheyenne Standard Cab Pickup 2-Door | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated |
| 1988-1993 | GMC | C2500 | Sierra Extended Cab Pickup 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1988-1993 | GMC | C2500 | Sierra Extended Cab Pickup 2-Door | 4.3L 262Cu. In. V6 GAS OHV Naturally Aspirated |
| 1988-1993 | GMC | C2500 | Sierra Extended Cab Pickup 2-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1988-1993 | GMC | C2500 | Sierra Standard Cab Pickup 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1988-1993 | GMC | C2500 | Sierra Standard Cab Pickup 2-Door | 4.3L 262Cu. In. V6 GAS OHV Naturally Aspirated |
| 1988-1993 | GMC | C2500 | Sierra Standard Cab Pickup 2-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1988-1993 | GMC | C3500 | Sierra Cab & Chassis 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1988-1993 | GMC | C3500 | Sierra Cab & Chassis 2-Door | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated |
| 1988-1993 | GMC | C3500 | Sierra Extended Cab Pickup 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1988-1993 | GMC | C3500 | Sierra Extended Cab Pickup 2-Door | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated |
| 1988-1993 | GMC | C3500 | Sierra Standard Cab Pickup 2-Door | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated |
| 1988-1993 | GMC | C3500 | Sierra Standard Cab Pickup 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1989-1993 | GMC | C2500 | Sierra Cab & Chassis 2-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1989-1993 | GMC | C2500 | Sierra Cab & Chassis 2-Door | 4.3L 262Cu. In. V6 GAS OHV Naturally Aspirated |
| 1989-1993 | GMC | C2500 | Sierra Cab & Chassis 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1990-1993 | Chevrolet | C1500 | 454 SS Standard Cab Pickup 2-Door | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated |
| 1991-1993 | Chevrolet | C2500 | Cheyenne Cab & Chassis 2-Door | 4.3L 262Cu. In. V6 GAS OHV Naturally Aspirated |
| 1991-1993 | Chevrolet | C2500 | Cheyenne Cab & Chassis 2-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1991-1993 | Chevrolet | C2500 | Cheyenne Cab & Chassis 2-Door | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated |
| 1991-1993 | Chevrolet | C2500 | Cheyenne Cab & Chassis 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1991-1993 | Chevrolet | C2500 | Cheyenne Extended Cab Pickup 2-Door | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated |
| 1991-1993 | Chevrolet | C2500 | Cheyenne Extended Cab Pickup 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1991-1993 | Chevrolet | C2500 | Cheyenne Extended Cab Pickup 2-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1991-1993 | Chevrolet | C2500 | Cheyenne Extended Cab Pickup 2-Door | 4.3L 262Cu. In. V6 GAS OHV Naturally Aspirated |
| 1991-1993 | Chevrolet | C2500 | Cheyenne Standard Cab Pickup 2-Door | 4.3L 262Cu. In. V6 GAS OHV Naturally Aspirated |
| 1991-1993 | Chevrolet | C2500 | Cheyenne Standard Cab Pickup 2-Door | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated |
| 1991-1993 | Chevrolet | C2500 | Cheyenne Standard Cab Pickup 2-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1991-1993 | Chevrolet | C2500 | Cheyenne Standard Cab Pickup 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1991-1993 | GMC | C2500 | Sierra Cab & Chassis 2-Door | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated |
| 1991-1993 | GMC | C2500 | Sierra Extended Cab Pickup 2-Door | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated |
| 1991-1993 | GMC | C2500 | Sierra Standard Cab Pickup 2-Door | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated |
| 1992-1993 | Chevrolet | C3500 | Cheyenne Cab & Chassis 4-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1992-1993 | Chevrolet | C3500 | Cheyenne Cab & Chassis 4-Door | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated |
| 1992-1993 | Chevrolet | C3500 | Cheyenne Crew Cab Pickup 4-Door | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated |
| 1992-1993 | Chevrolet | C3500 | Cheyenne Crew Cab Pickup 4-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1992-1993 | GMC | C3500 | Sierra Cab & Chassis 4-Door | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated |
| 1992-1993 | GMC | C3500 | Sierra Cab & Chassis 4-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1992-1993 | GMC | C3500 | Sierra Crew Cab Pickup 4-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1992-1993 | GMC | C3500 | Sierra Crew Cab Pickup 4-Door | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated |
| 1994-1995 | Chevrolet | C2500 | Base Cab & Chassis 2-Door | 4.3L 262Cu. In. V6 GAS OHV Naturally Aspirated |
| 1994-1995 | Chevrolet | C2500 | Base Cab & Chassis 2-Door | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated |
| 1994-1995 | Chevrolet | C2500 | Base Cab & Chassis 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1994-1995 | Chevrolet | C2500 | Base Cab & Chassis 2-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1994-1995 | Chevrolet | C2500 | Base Extended Cab Pickup 2-Door | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated |
| 1994-1995 | Chevrolet | C2500 | Base Extended Cab Pickup 2-Door | 4.3L 262Cu. In. V6 GAS OHV Naturally Aspirated |
| 1994-1995 | Chevrolet | C2500 | Base Extended Cab Pickup 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1994-1995 | Chevrolet | C2500 | Base Extended Cab Pickup 2-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1994-1995 | Chevrolet | C2500 | Base Standard Cab Pickup 2-Door | 4.3L 262Cu. In. V6 GAS OHV Naturally Aspirated |
| 1994-1995 | Chevrolet | C2500 | Base Standard Cab Pickup 2-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1994-1995 | Chevrolet | C2500 | Base Standard Cab Pickup 2-Door | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated |
| 1994-1995 | Chevrolet | C2500 | Base Standard Cab Pickup 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1994-1995 | Chevrolet | C3500 | Base Cab & Chassis 2-Door | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated |
| 1994-1995 | Chevrolet | C3500 | Base Cab & Chassis 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1994-1995 | Chevrolet | C3500 | Base Cab & Chassis 4-Door | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated |
| 1994-1995 | Chevrolet | C3500 | Base Cab & Chassis 4-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1994-1995 | Chevrolet | C3500 | Base Crew Cab Pickup 4-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1994-1995 | Chevrolet | C3500 | Base Crew Cab Pickup 4-Door | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated |
| 1994-1995 | Chevrolet | C3500 | Base Extended Cab Pickup 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1994-1995 | Chevrolet | C3500 | Base Extended Cab Pickup 2-Door | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated |
| 1994-1995 | Chevrolet | C3500 | Base Standard Cab Pickup 2-Door | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated |
| 1994-1995 | Chevrolet | C3500 | Base Standard Cab Pickup 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1994-1995 | GMC | C2500 | Sierra SL Cab & Chassis 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1994-1995 | GMC | C2500 | Sierra SL Cab & Chassis 2-Door | 4.3L 262Cu. In. V6 GAS OHV Naturally Aspirated |
| 1994-1995 | GMC | C2500 | Sierra SL Cab & Chassis 2-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1994-1995 | GMC | C2500 | Sierra SL Cab & Chassis 2-Door | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated |
| 1994-1995 | GMC | C2500 | Sierra SL Extended Cab Pickup 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1994-1995 | GMC | C2500 | Sierra SL Extended Cab Pickup 2-Door | 4.3L 262Cu. In. V6 GAS OHV Naturally Aspirated |
| 1994-1995 | GMC | C2500 | Sierra SL Extended Cab Pickup 2-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1994-1995 | GMC | C2500 | Sierra SL Extended Cab Pickup 2-Door | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated |
| 1994-1995 | GMC | C2500 | Sierra SL Standard Cab Pickup 2-Door | 4.3L 262Cu. In. V6 GAS OHV Naturally Aspirated |
| 1994-1995 | GMC | C2500 | Sierra SL Standard Cab Pickup 2-Door | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated |
| 1994-1995 | GMC | C2500 | Sierra SL Standard Cab Pickup 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1994-1995 | GMC | C2500 | Sierra SL Standard Cab Pickup 2-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1994-1995 | GMC | C3500 | Sierra SL Cab & Chassis 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1994-1995 | GMC | C3500 | Sierra SL Cab & Chassis 2-Door | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated |
| 1994-1995 | GMC | C3500 | Sierra SL Cab & Chassis 4-Door | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated |
| 1994-1995 | GMC | C3500 | Sierra SL Cab & Chassis 4-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1994-1995 | GMC | C3500 | Sierra SL Crew Cab Pickup 4-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1994-1995 | GMC | C3500 | Sierra SL Crew Cab Pickup 4-Door | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated |
| 1994-1995 | GMC | C3500 | Sierra SL Extended Cab Pickup 2-Door | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated |
| 1994-1995 | GMC | C3500 | Sierra SL Extended Cab Pickup 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1994-1995 | GMC | C3500 | Sierra SL Standard Cab Pickup 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1994-1995 | GMC | C3500 | Sierra SL Standard Cab Pickup 2-Door | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated |