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Specifications:
| Description_DEF | [B@260ea0df |
| Description_DES | [B@2063757c |
| Description_EXT | [B@159d32c9 |
| Description_FAB | [B@6c464511 |
| Description_FAB | [B@3f9d181e |
| Description_FAB | [B@46e5204 |
| Description_FAB | [B@7819333a |
| Description_FAB | [B@26298fe5 |
| Description_FAB | [B@71232ed6 |
| Description_INV | [B@72bbc84 |
| Description_SHO | [B@369adfb8 |
| Tube Diameter | 1-5/8 in. |
| 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 |
| 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 | BLACK MAXX Satin Black 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 |
| Variations | 68297, 67298 |
| Tube Material Thickness | 16g |
| Tube Style | Long Tubes |
| Exhaust System Dia | 2-1/2 in. |
| Air Conditioning | Yes |
| Air Conditioning Notes | 70-Up: LARGE compressor use Hedman 20110; SMALL compressor, modify OE bracket. |
| 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. |
| Contents | Header(s), new bolts, gasket(s) to head, reducer(s) and hardware, instructions |
| Tube Length | Long Tubes |
| E.O. # | No |
| Emissions Notes | Not currently legal for sale or use in California. Please call for status update |
| Finish | BLACK MAXX Satin Black Ceramic-Metallic |
| Finish Type | BLACK MAXX- Black Ceramic-Metallic Coating |
| Flange Style | Standard |
| Flange Thickness | 0.3125 in. |
| Header Port Shape | Round |
| Header Style | Long Tube |
| Notes | 64-77 A-Body, 71-94 Chev. Pass. 283-400 |
| Key Feature | Without A.I.R. |
| Port Shape | Round |
| Material | Mild Steel |
| Tube Design | Standard |
| Title | HEDMAN HEDDERS CHEVELLE SB EO N/ A.I.R- BLACK MAXX |
This Part Fits:
| Year | Make | Model | Submodel | Engine |
|---|---|---|---|---|
| 1964 | Chevrolet | Malibu | Base Wagon 2-Door | 5.3L 5358CC 327Cu. In. V8 GAS OHV Naturally Aspirated |
| 1964 | Chevrolet | Malibu | Base Wagon 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 Convertible 2-Door | 4.6L 4638CC 283Cu. 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 2-Door | 5.3L 5358CC 327Cu. 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 Sedan 4-Door | 4.6L 4638CC 283Cu. 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 | Malibu | Base Convertible 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 Hardtop 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 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 | 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 |
| 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 | Chevelle | Base | 4.6L 4638CC 283Cu. In. V8 GAS OHV Naturally Aspirated |
| 1967 | Chevrolet | Chevelle | Base | 5.3L 5358CC 327Cu. 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 | 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 |
| 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 | Malibu | Base Coupe 2-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1976 | Chevrolet | Monte Carlo | Landau Coupe 2-Door | 5.0L 305Cu. 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 |
| 1976-1977 | Chevrolet | El Camino | Base Standard Cab Pickup 2-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1976-1977 | Chevrolet | Malibu | Base Sedan 4-Door | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated |
| 1976-1977 | Chevrolet | Malibu | Base Wagon 4-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 |
| 1978-1981 | 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 |
| 1982 | Chevrolet | Impala | Base Wagon 4-Door | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
| 1982-1984 | Chevrolet | Impala | Base Sedan 4-Door | 5.7L 350Cu. 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 |
| 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 |