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Specifications:
| Description_DEF | [B@4848442 |
| Description_DES | [B@3d7ad369 |
| Description_EXT | [B@39f5f422 |
| Description_FAB | [B@47b313ed |
| Description_FAB | [B@67b539cd |
| Description_FAB | [B@cbf4fc9 |
| Description_FAB | [B@1afdee98 |
| Description_FAB | [B@458eaa51 |
| Description_FAB | [B@b3b987c |
| Description_INV | [B@7d8c5fd5 |
| Description_SHO | [B@870f7d2 |
| Title | HEDMAN HEDDERS STANDARD UNCOATED HEADERS; 1-5/8 IN. TUBE DIA.; 3 IN. COLL.; MID-LENGTH DESIGN |
| Header Fasteners Included | Yes |
| Installation Hardware Included | Yes |
| Motor Mounts Included | No |
| Reducers Included | Yes |
| Tube Size | 1-5/8 in. |
| Y-Pipe Included | No |
| 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 | Uncoated |
| 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. For more info visit www.P65Warnings.ca.gov |
| Variations | 66607, 68608 |
| Tube Material Thickness | 16g |
| Tube Diameter | 1-5/8 in. |
| Tube Style | Mid-Length |
| Automatic Transmission - Column | Yes |
| Automatic Transmission - Floor | Yes |
| Manual Transmission - Column | No |
| Manual Transmission - Floor | No |
| Tube Length | Mid-Length Tubes |
| Material | Mild Steel |
| Tube Design | Standard |
| LS SWAP | NO |
| Mounting Hardware Included | Yes |
| 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 |
| 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. |
| Key Feature | 50 State (No A.I.R.) |
| Notes | 67-81 F; 64-83 A, 82-88 G; 68-79 X; 71-94 B; 84-04 Astro 283-400 EO |
| Collector Style | BALL and SOCKET Style (Gasketless) |
| Engine | Chevy SB 283-400 (Gen 1) 1958-86 |
| Emissions Notes | EO# D167-27 (click here for covered vehicles in document on ARB.CA.GOV website) |
| Contents | Headers, bolts, gaskets to head, reducers, hot air kit, hardware, instructions |
| Header Style | Mid-Length 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 |
|---|---|---|---|---|
| 1964 | Chevrolet | Malibu | Base Wagon 2-Door | 4.6L 4638CC 283Cu. In. V8 GAS OHV Naturally Aspirated |
| 1964 | Chevrolet | Malibu | Base Wagon 2-Door | 5.3L 5358CC 327Cu. In. V8 GAS OHV Naturally Aspirated |
| 1964-1966 | Chevrolet | Chevelle | Base Convertible 2-Door | 4.6L 4638CC 283Cu. In. V8 GAS OHV Naturally Aspirated |
| 1964-1966 | Chevrolet | Chevelle | Base Convertible 2-Door | 5.3L 5358CC 327Cu. In. V8 GAS OHV Naturally Aspirated |
| 1964-1966 | Chevrolet | Chevelle | Base Sedan 2-Door | 5.3L 5358CC 327Cu. In. V8 GAS OHV Naturally Aspirated |
| 1964-1966 | Chevrolet | Chevelle | Base Sedan 2-Door | 4.6L 4638CC 283Cu. In. V8 GAS OHV Naturally Aspirated |
| 1964-1966 | Chevrolet | Chevelle | Base Sedan 4-Door | 4.6L 4638CC 283Cu. In. V8 GAS OHV Naturally Aspirated |
| 1964-1966 | Chevrolet | Chevelle | Base Sedan 4-Door | 5.3L 5358CC 327Cu. In. V8 GAS OHV Naturally Aspirated |
| 1964-1966 | Chevrolet | Chevelle | Base Wagon 2-Door | 5.3L 5358CC 327Cu. In. V8 GAS OHV Naturally Aspirated |
| 1964-1966 | Chevrolet | Chevelle | Base Wagon 2-Door | 4.6L 4638CC 283Cu. In. V8 GAS OHV Naturally Aspirated |
| 1964-1966 | Chevrolet | Chevelle | Base Wagon 4-Door | 4.6L 4638CC 283Cu. In. V8 GAS OHV Naturally Aspirated |
| 1964-1966 | Chevrolet | Chevelle | Base Wagon 4-Door | 5.3L 5358CC 327Cu. In. V8 GAS OHV Naturally Aspirated |
| 1964-1967 | Chevrolet | El Camino | Base Standard Cab Pickup 2-Door | 4.6L 4638CC 283Cu. In. V8 GAS OHV Naturally Aspirated |
| 1964-1967 | Chevrolet | Malibu | Base Convertible 2-Door | 5.3L 5358CC 327Cu. In. V8 GAS OHV Naturally Aspirated |
| 1964-1967 | Chevrolet | Malibu | Base Convertible 2-Door | 4.6L 4638CC 283Cu. In. V8 GAS OHV Naturally Aspirated |
| 1964-1967 | Chevrolet | Malibu | Base Hardtop 2-Door | 5.3L 5358CC 327Cu. In. V8 GAS OHV Naturally Aspirated |
| 1964-1967 | Chevrolet | Malibu | Base Hardtop 2-Door | 4.6L 4638CC 283Cu. In. V8 GAS OHV Naturally Aspirated |
| 1964-1967 | Chevrolet | Malibu | Base Sedan 4-Door | 5.3L 5358CC 327Cu. In. V8 GAS OHV Naturally Aspirated |
| 1964-1967 | Chevrolet | Malibu | Base Sedan 4-Door | 4.6L 4638CC 283Cu. In. V8 GAS OHV Naturally Aspirated |
| 1964-1967 | Chevrolet | Malibu | Base Wagon 4-Door | 5.3L 5358CC 327Cu. In. V8 GAS OHV Naturally Aspirated |
| 1964-1967 | Chevrolet | Malibu | Base Wagon 4-Door | 4.6L 4638CC 283Cu. In. V8 GAS OHV Naturally Aspirated |
| 1964-1967,1969 | Chevrolet | El Camino | Base Standard Cab Pickup 2-Door | 5.3L 5358CC 327Cu. In. V8 GAS OHV Naturally Aspirated |
| 1966 | Chevrolet | Chevelle | Base Convertible 2-Door | -- |
| 1966 | Chevrolet | Chevelle | Base Sedan 2-Door | -- |
| 1966 | Chevrolet | Chevelle | Base Sedan 4-Door | -- |
| 1966 | Chevrolet | Chevelle | Base Wagon 2-Door | -- |
| 1966 | Chevrolet | Chevelle | Base Wagon 4-Door | -- |
| 1966-1967 | Chevrolet | Malibu | Base Hardtop 4-Door | 4.6L 4638CC 283Cu. In. V8 GAS OHV Naturally Aspirated |
| 1966-1967 | Chevrolet | Malibu | Base Hardtop 4-Door | 5.3L 5358CC 327Cu. In. V8 GAS OHV Naturally Aspirated |
| 1967 | Chevrolet | Camaro | Base Convertible 2-Door | 5.3L 5358CC 327Cu. In. V8 GAS OHV Naturally Aspirated |
| 1967 | Chevrolet | Camaro | Base Hardtop 2-Door | 5.3L 5358CC 327Cu. In. V8 GAS OHV Naturally Aspirated |
| 1967 | Chevrolet | Chevelle | Base | 5.3L 5358CC 327Cu. In. V8 GAS OHV Naturally Aspirated |
| 1967 | Chevrolet | Chevelle | Base | 4.6L 4638CC 283Cu. In. V8 GAS OHV Naturally Aspirated |
| 1968 | Chevrolet | Chevelle | 300 Coupe 2-Door | 5.3L 5358CC 327Cu. In. V8 GAS OHV Naturally Aspirated |
| 1968 | Chevrolet | Chevelle | 300 Wagon 4-Door | 5.3L 5358CC 327Cu. In. V8 GAS OHV Naturally Aspirated |
| 1975 | Chevrolet | Caprice | Classic Convertible 2-Door | 6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated |
| 1975 | Chevrolet | Laguna | Base Coupe 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1975 | Chevrolet | Monte Carlo | S Coupe 2-Door | 6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated |
| 1975,1977 | Chevrolet | Monte Carlo | S Coupe 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1975-1976 | Chevrolet | Caprice | Classic Sedan 4-Door | 6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated |
| 1976 | Chevrolet | Caprice | Classic Coupe 2-Door | 6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated |
| 1976 | Chevrolet | Laguna | S3 Coupe 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1976 | Chevrolet | Laguna | S3 Coupe 2-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1976 | Chevrolet | Laguna | S3 Coupe 2-Door | 6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated |
| 1976 | Chevrolet | Monte Carlo | Landau Coupe 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1976 | Chevrolet | Monte Carlo | Landau Coupe 2-Door | 6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated |
| 1976,1978,1980 | Chevrolet | Monte Carlo | Landau Coupe 2-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1976,1978-1979,1981 | Chevrolet | Malibu | Base Coupe 2-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1976-1978,1980-1981 | Chevrolet | Malibu | Base Wagon 4-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1976-1979 | Chevrolet | Nova | Base Coupe 2-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1976-1979 | Chevrolet | Nova | Base Hatchback 2-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1976-1979 | Chevrolet | Nova | Base Sedan 4-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1976-1980 | Chevrolet | Camaro | Base Coupe 2-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1976-1981 | Chevrolet | Malibu | Base Sedan 4-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1976-1987 | Chevrolet | El Camino | Base Standard Cab Pickup 2-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1977 | Chevrolet | Monte Carlo | S Coupe 2-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1977-1979,1981-1982,1984-1985 | Chevrolet | Caprice | Classic Coupe 2-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1977-1982 | Chevrolet | Impala | Base Wagon 4-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1977-1985 | Chevrolet | Impala | Base Sedan 4-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1977-1985,1993 | Chevrolet | Caprice | Classic Sedan 4-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1978-1979 | Oldsmobile | Cutlass | Vista Cruiser Wagon 4-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1978-1980 | Buick | Regal | Base Coupe 2-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1978-1980 | Pontiac | Grand Prix | SJ Coupe 2-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1978-1980,1983 | Pontiac | Grand Prix | LJ Coupe 2-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1978-1980,1983-1987 | Pontiac | Grand Prix | Base Coupe 2-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1978-1981 | Chevrolet | Impala | Base Coupe 2-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1978-1985,1993 | Chevrolet | Caprice | Classic Wagon 4-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1979 | Oldsmobile | Cutlass | Vista Cruiser Brougham Wagon 4-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1979,1981-1987 | Chevrolet | Monte Carlo | Base Coupe 2-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1980 | Oldsmobile | Cutlass | Base Sedan 4-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1980 | Oldsmobile | Cutlass | Brougham Coupe 2-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1980 | Oldsmobile | Cutlass | Brougham Sedan 4-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1980 | Oldsmobile | Cutlass | LS Sedan 4-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1981 | Buick | Regal | Base Coupe 2-Door | 3.8L 3800CC 231Cu. In. V6 GAS OHV Naturally Aspirated |
| 1981 | Buick | Regal | Base Coupe 2-Door | 4.3L 265Cu. In. V8 GAS OHV Naturally Aspirated |
| 1981 | Buick | Regal | Base Coupe 2-Door | 4.4L 267Cu. In. V8 GAS Naturally Aspirated |
| 1981 | Buick | Regal | Limited Coupe 2-Door | 4.3L 265Cu. In. V8 GAS OHV Naturally Aspirated |
| 1981 | Buick | Regal | Limited Coupe 2-Door | 4.4L 267Cu. In. V8 GAS Naturally Aspirated |
| 1981 | Buick | Regal | Limited Coupe 2-Door | 3.8L 3800CC 231Cu. In. V6 GAS OHV Naturally Aspirated |
| 1981 | Chevrolet | Bel Air | Base Sedan 4-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1981 | Chevrolet | Camaro | Berlinetta Coupe 2-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1981 | Chevrolet | Camaro | Berlinetta Coupe 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1981 | Pontiac | Grand Prix | Base Coupe 2-Door | 4.3L 265Cu. In. V8 GAS OHV Naturally Aspirated |
| 1981 | Pontiac | Grand Prix | Brougham Coupe 2-Door | 4.3L 265Cu. In. V8 GAS OHV Naturally Aspirated |
| 1981 | Pontiac | Grand Prix | LJ Coupe 2-Door | 4.3L 265Cu. In. V8 GAS OHV Naturally Aspirated |
| 1981-1982 | Pontiac | Grand Prix | Base Coupe 2-Door | 5.7L 350Cu. In. V8 DIESEL OHV Naturally Aspirated |
| 1981-1982 | Pontiac | Grand Prix | Base Coupe 2-Door | 4.4L 267Cu. In. V8 GAS Naturally Aspirated |
| 1981-1982 | Pontiac | Grand Prix | Base Coupe 2-Door | 3.8L 3800CC 231Cu. In. V6 GAS OHV Naturally Aspirated |
| 1981-1982 | Pontiac | Grand Prix | Brougham Coupe 2-Door | 4.4L 267Cu. In. V8 GAS Naturally Aspirated |
| 1981-1982 | Pontiac | Grand Prix | Brougham Coupe 2-Door | 5.7L 350Cu. In. V8 DIESEL OHV Naturally Aspirated |
| 1981-1982 | Pontiac | Grand Prix | Brougham Coupe 2-Door | 3.8L 3800CC 231Cu. In. V6 GAS OHV Naturally Aspirated |
| 1981-1982 | Pontiac | Grand Prix | LJ Coupe 2-Door | 5.7L 350Cu. In. V8 DIESEL OHV Naturally Aspirated |
| 1981-1982 | Pontiac | Grand Prix | LJ Coupe 2-Door | 4.4L 267Cu. In. V8 GAS Naturally Aspirated |
| 1981-1982 | Pontiac | Grand Prix | LJ Coupe 2-Door | 3.8L 3800CC 231Cu. In. V6 GAS OHV Naturally Aspirated |
| 1982 | Pontiac | Grand Prix | Base Coupe 2-Door | 4.1L 252Cu. In. V6 GAS OHV Naturally Aspirated |
| 1982 | Pontiac | Grand Prix | Brougham Coupe 2-Door | 4.1L 252Cu. In. V6 GAS OHV Naturally Aspirated |
| 1982 | Pontiac | Grand Prix | LJ Coupe 2-Door | 4.1L 252Cu. In. V6 GAS OHV Naturally Aspirated |
| 1982-1983 | Chevrolet | Malibu | Classic Sedan 4-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1982-1983 | Chevrolet | Malibu | Classic Wagon 4-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1983-1987 | Pontiac | Grand Prix | Brougham Coupe 2-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1984-1987 | Pontiac | Grand Prix | LE Coupe 2-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1985 | Chevrolet | Caprice | Classic Coupe 2-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1985 | Chevrolet | Caprice | Classic Sedan 4-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1985 | Chevrolet | Caprice | Classic Wagon 4-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1985-1987 | Oldsmobile | Cutlass | Salon Coupe 2-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1986-1992 | Chevrolet | Caprice | Base Sedan 4-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1987-1988,1991-1992 | Chevrolet | Caprice | Base Wagon 4-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1994 | Chevrolet | Impala | SS Sedan 4-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |