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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 Small Block Chevy exhaust system to bolt up, even if it is not perfectly aligned with the header collectors.
These HTC coated, LONG-TUBE headers fit 1967-1991 4WD (only) 1/2 and 3/4 ton Chevy Trucks, Blazers and Suburbans, powered by a Small Block Chevy engine (check the application listings for exact fitment). The smooth 1-5/8 in. tube design provides ample exhaust flow to let your truck's 283-400 SB Chevy 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@55ad58c0 |
| Description_DES | [B@68d49a21 |
| Description_EXT | [B@42b2d878 |
| Description_FAB | [B@21e3578 |
| Description_FAB | [B@3dca06a3 |
| Description_FAB | [B@718386a9 |
| Description_FAB | [B@25a6f1f9 |
| Description_FAB | [B@56e0a5c0 |
| Description_FAB | [B@3bf24ea1 |
| Description_INV | [B@56a921b8 |
| Description_MKT | [B@44123bad |
| Description_SHO | [B@178f484a |
| Tube Diameter | 1-5/8 in. |
| Reducers Included | Yes |
| Installation Hardware Included | Yes |
| Motor Mounts Included | No |
| Mounting Hardware Included | Yes |
| Y-Pipe Included | No |
| Variations | 69230, 69830 |
| Quantity | Sold as a pair. |
| Primary Tube Gauge | 16g |
| Primary Tube Diameter (in) | 1.625 in. |
| Package Contents | Headers, ball and socket reducers (exhaust adapters), gaskets, mounting hardware |
| Header Material | Mild Steel |
| Header Finish | HTC Polished Silver Ceramic-Metallic |
| Cylinder Head Port Shape | Round |
| Cylinder Head | Stock Profile Heads |
| Header Construction | MILD STEEL- Standard-Duty |
| Replacement Gasket | 27500 |
| Replacement Head Flange Gasket | 27500 |
| California Proposition 65 | WARNING: Cancer & Reproductive Harm. For more info visit www.P65Warnings.ca.gov |
| with A.I.R. System | No |
| Tube Size | 1-5/8 in. |
| Tube Style | Long Tubes |
| Contents | headers, gaskets (when applicable), 3-bolt exhaust adapters, hardware |
| Air Conditioning | Yes |
| Automatic Transmission - Column | Yes |
| Automatic Transmission - Floor | Yes |
| Manual Transmission - Column | Yes |
| Manual Transmission - Floor | Yes |
| Power Steering | Yes |
| Collector Attachment | 3 in. |
| Collector Diameter | 3 in. |
| Collector Size | 3 in. |
| Collector Style | BALL and SOCKET Style (Gasketless) |
| Reducer Outlet Size | 2-1/2 in. |
| Exhaust System Dia | 2-1/2 in. |
| Drivetrain | 4WD |
| Tube Material Thickness | 16g |
| E.O. # | No |
| Emissions Notes | Not Legal For Street Use on '75-Later Model Years! Legal for off-road use only. |
| Finish | HTC Polished Silver Ceramic-Metallic |
| Finish Type | HTC SILVER (polished) Ceramic-metallic Coating |
| Flange Style | Standard |
| Flange Thickness | 0.3125 in. |
| Header Port Shape | Round |
| Header Style | Long Tube |
| Port Shape | Round |
| Material | Mild Steel |
| Tube Design | Standard |
| Tube Length | Long Tubes |
| Title | HEDMAN HEDDERS HTC COATED HEADERS; 1-5/8 IN. TUBE DIA.; 3 IN. COLL.; FULL LENGTH DESIGN |
| 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 |
This Part Fits:
| Year | Make | Model | Submodel | Engine |
|---|---|---|---|---|
| 1969-1973 | Chevrolet | Blazer | Base Sport Utility 2-Door | 5.0L 307Cu. In. V8 GAS Naturally Aspirated |
| 1969-1973 | Chevrolet | Blazer | Base Sport Utility 2-Door | 5.0L 5031CC 307Cu. In. V8 GAS OHV Naturally Aspirated |
| 1969-1974 | Chevrolet | Blazer | Base Sport Utility 2-Door | 4.1L 4097CC 250Cu. In. l6 GAS OHV Naturally Aspirated |
| 1969-1974 | Chevrolet | Blazer | Base Sport Utility 2-Door | 4.8L 4801CC 292Cu. In. l6 GAS OHV Naturally Aspirated |
| 1969-1974 | Chevrolet | Blazer | Base Sport Utility 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1970,1973 | Chevrolet | Blazer | Base Sport Utility 2-Door | 4.8L 292Cu. In. l6 GAS Naturally Aspirated |
| 1970,1973 | GMC | Jimmy | Base Sport Utility 2-Door | 5.0L 5031CC 307Cu. In. V8 GAS OHV Naturally Aspirated |
| 1972-1974 | Chevrolet | Blazer | Base Sport Utility 2-Door | 4.1L 4098CC 250Cu. In. l6 GAS OHV Naturally Aspirated |
| 1973 | Chevrolet | Blazer | Base Sport Utility 2-Door | 7.4L 454Cu. In. V8 GAS Naturally Aspirated |
| 1973 | Chevrolet | Blazer | Base Sport Utility 2-Door | 7.4L 7441CC 454Cu. In. V8 GAS OHV Naturally Aspirated |
| 1973 | Chevrolet | Blazer | Base Sport Utility 2-Door | 4.8L 4786CC 292Cu. In. l6 GAS OHV Naturally Aspirated |
| 1973-1974 | Chevrolet | Blazer | Base Sport Utility 2-Door | 7.4L 7439CC 454Cu. In. V8 GAS OHV Naturally Aspirated |
| 1975-1978 | GMC | K15 | Base Cab & Chassis 2-Door | 6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated |
| 1975-1978 | GMC | K15 | Base Cab & Chassis 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1975-1978 | GMC | K15 | Base Standard Cab Pickup 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1975-1978 | GMC | K15 | Base Standard Cab Pickup 2-Door | 6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated |
| 1975-1978 | GMC | K15 Suburban | Base Sport Utility 4-Door | 4.1L 250Cu. In. l6 GAS OHV Naturally Aspirated |
| 1975-1978 | GMC | K15 Suburban | Base Sport Utility 4-Door | 6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated |
| 1975-1978 | GMC | K15 Suburban | Base Sport Utility 4-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1975-1978 | GMC | K25 | Base Cab & Chassis 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1975-1978 | GMC | K25 | Base Cab & Chassis 2-Door | 6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated |
| 1975-1978 | GMC | K25 | Base Standard Cab Pickup 2-Door | 6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated |
| 1975-1978 | GMC | K25 | Base Standard Cab Pickup 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1975-1978 | GMC | K25 Suburban | Base Sport Utility 4-Door | 4.8L 292Cu. In. l6 GAS OHV Naturally Aspirated |
| 1975-1978 | GMC | K25 Suburban | Base Sport Utility 4-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1975-1978 | GMC | K25 Suburban | Base Sport Utility 4-Door | 6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated |
| 1975-1979 | Chevrolet | K10 Suburban | Custom Deluxe Sport Utility 4-Door | 6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated |
| 1975-1979 | GMC | Jimmy | Base Sport Utility 2-Door | 6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated |
| 1975-1979 | GMC | Jimmy | Base Sport Utility 2-Door | 4.1L 250Cu. In. l6 GAS OHV Naturally Aspirated |
| 1975-1980 | Chevrolet | K10 | Cheyenne Cab & Chassis 2-Door | 6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated |
| 1975-1980 | Chevrolet | K10 | Cheyenne Cab & Chassis 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1975-1980 | Chevrolet | K10 | Cheyenne Standard Cab Pickup 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1975-1980 | Chevrolet | K10 | Cheyenne Standard Cab Pickup 2-Door | 6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated |
| 1975-1980 | Chevrolet | K10 Suburban | Custom Deluxe Sport Utility 4-Door | 4.1L 250Cu. In. l6 GAS OHV Naturally Aspirated |
| 1975-1980 | Chevrolet | K10 Suburban | Custom Deluxe Sport Utility 4-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1975-1980 | Chevrolet | K20 | Cheyenne Cab & Chassis 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1975-1980 | Chevrolet | K20 | Cheyenne Cab & Chassis 2-Door | 6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated |
| 1975-1980 | Chevrolet | K20 | Cheyenne Standard Cab Pickup 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1975-1980 | Chevrolet | K20 | Cheyenne Standard Cab Pickup 2-Door | 6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated |
| 1975-1980 | Chevrolet | K20 Suburban | Custom Deluxe Sport Utility 4-Door | 4.8L 292Cu. In. l6 GAS OHV Naturally Aspirated |
| 1975-1980 | Chevrolet | K20 Suburban | Custom Deluxe Sport Utility 4-Door | 6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated |
| 1975-1980 | Chevrolet | K20 Suburban | Custom Deluxe Sport Utility 4-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1975-1991 | GMC | Jimmy | Base Sport Utility 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1976 | GMC | Jimmy | Base Sport Utility 2-Door | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated |
| 1976-1977 | GMC | K25 Suburban | Base Sport Utility 4-Door | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated |
| 1977-1978 | Chevrolet | K20 Suburban | Custom Deluxe Sport Utility 4-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1977-1978 | GMC | K15 Suburban | Base Sport Utility 4-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1977-1978 | GMC | K25 Suburban | Base Sport Utility 4-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1977-1979 | Chevrolet | K10 Suburban | Custom Deluxe Sport Utility 4-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1977-1987 | GMC | Jimmy | Base Sport Utility 2-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1979,1982 | GMC | K1500 Suburban | Base Sport Utility 4-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1979-1980 | GMC | K1500 | Base Cab & Chassis 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1979-1980 | GMC | K1500 Suburban | Base Sport Utility 4-Door | 6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated |
| 1979-1980 | GMC | K1500 Suburban | Base Sport Utility 4-Door | 4.1L 250Cu. In. l6 GAS OHV Naturally Aspirated |
| 1979-1980 | GMC | K2500 Suburban | Base Sport Utility 4-Door | 4.8L 292Cu. In. l6 GAS OHV Naturally Aspirated |
| 1979-1980 | GMC | K2500 Suburban | Base Sport Utility 4-Door | 6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated |
| 1979-1982,1985-1986 | GMC | K2500 | Base Cab & Chassis 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1979-1986 | GMC | K1500 | Base Standard Cab Pickup 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1979-1986 | GMC | K1500 Suburban | Base Sport Utility 4-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1979-1986 | GMC | K2500 | Base Standard Cab Pickup 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1979-1986 | GMC | K2500 Suburban | Base Sport Utility 4-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1981,1983,1986 | Chevrolet | K10 Suburban | Custom Sport Utility 4-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1981-1982 | Chevrolet | K20 Suburban | Custom Sport Utility 4-Door | 4.8L 292Cu. In. l6 GAS OHV Naturally Aspirated |
| 1981-1982,1985-1986 | Chevrolet | K20 | Custom Cab & Chassis 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1981-1986 | Chevrolet | K10 | Custom Standard Cab Pickup 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1981-1986 | Chevrolet | K10 | Custom Standard Cab Pickup 2-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1981-1986 | Chevrolet | K10 Suburban | Custom Sport Utility 4-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1981-1986 | Chevrolet | K20 | Custom Standard Cab Pickup 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1981-1986 | Chevrolet | K20 Suburban | Custom Sport Utility 4-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1985 | Chevrolet | K20 Suburban | Custom Sport Utility 4-Door | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated |
| 1985-1986 | Chevrolet | K20 Suburban | Custom Sport Utility 4-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1987 | Chevrolet | Blazer | Custom Deluxe Sport Utility 2-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1987 | Chevrolet | Blazer | Custom Deluxe Sport Utility 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1987 | Chevrolet | V10 Suburban | Custom Deluxe Sport Utility 4-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1987 | Chevrolet | V20 Suburban | Custom Deluxe Sport Utility 4-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1988 | Chevrolet | V10 Suburban | Scottsdale Sport Utility 4-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1988 | Chevrolet | V20 Suburban | Scottsdale Sport Utility 4-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1988-1991 | Chevrolet | Blazer | Scottsdale Sport Utility 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1988-1991 | Chevrolet | K1500 | Cheyenne Extended Cab Pickup 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1988-1991 | Chevrolet | K1500 | Cheyenne Extended Cab Pickup 2-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1988-1991 | Chevrolet | K1500 | Cheyenne Standard Cab Pickup 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1988-1991 | Chevrolet | K1500 | Cheyenne Standard Cab Pickup 2-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1988-1991 | Chevrolet | K2500 | Cheyenne Extended Cab Pickup 2-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1988-1991 | Chevrolet | K2500 | Cheyenne Extended Cab Pickup 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1988-1991 | Chevrolet | K2500 | Cheyenne Standard Cab Pickup 2-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1988-1991 | Chevrolet | K2500 | Cheyenne Standard Cab Pickup 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1988-1991 | GMC | K1500 | Sierra Extended Cab Pickup 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1988-1991 | GMC | K1500 | Sierra Standard Cab Pickup 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1988-1991 | GMC | K2500 | Sierra Extended Cab Pickup 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1988-1991 | GMC | K2500 | Sierra Standard Cab Pickup 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1989-1991 | Chevrolet | K2500 | Cheyenne Cab & Chassis 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1989-1991 | Chevrolet | K2500 | Cheyenne Cab & Chassis 2-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1989-1991 | Chevrolet | V1500 Suburban | Scottsdale Sport Utility 4-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1989-1991 | Chevrolet | V2500 Suburban | Scottsdale Sport Utility 4-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1989-1991 | GMC | K2500 | Sierra Cab & Chassis 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |