Standard Uncoated Headers; 2 in. Tube Dia.; 3 in. Coll.
Specifications:
| Description_ASM |
1955-1957 Chevrolet Bel Air CID 396, 1955-1957 Chevrolet Bel Air Base CID 402, 1955-1957 Chevrolet Bel Air Base CID 427, 1955-1957 Chevrolet Bel Air Base CID 454, 1957 Chevrolet Del Ray CID 396, 1957 Chevrolet Del Ray Base CID 402, 1957 Chevrolet Del Ray Base CID 427, 1957 Chevrolet Del Ray Base CID 454, 1955-1957 Chevrolet Nomad CID 396, 1955-1957 Chevrolet Nomad Base CID 402, 1955-1957 Chevrolet Nomad Base CID 427, 1955-1957 Chevrolet Nomad Base CID 454, 1955-1957 Chevrolet One-Fifty Series CID 396, 1955-1957 Chevrolet One-Fifty Series Base CID 402, 1955-1957 Chevrolet One-Fifty Series Base CID 427, 1955-1957 Chevrolet One-Fifty Series Base CID 454, 1955-1957 Chevrolet Two-Ten Series CID 396, 1955-1957 Chevrolet Two-Ten Series Base CID 402, 1955-1957 Chevrolet Two-Ten Series Base CID 427, 1955-1957 Chevrolet Two-Ten Series Base CID 454 |
| Description_DES |
Standard Uncoated Headers; 2 in. Tube Dia |
| Description_DEF |
Exhaust Header |
| Description_INV |
HEDMAN GM CAR HEADERS-UNCOATED |
| Description_EXT |
Standard Uncoated Headers; 2 in. Tube Dia.; 3 in. Coll. |
| Description_FAB |
Handcrafted, Mild Steel Construction. |
| Description_FAB |
Long Tube Header Design Provides Excellent Top-End Horsepower and Torque. |
| Description_FAB |
Ball & Socket Collector Design requires No Gasket, and Allows For More Exhaust System Misalignment than Old School, Gasket-Style Header Collectors |
| Description_FAB |
Includes All The Necessary Mounting Hardware, Gaskets and Reducers (exhaust adapters) |
| Description_FAB |
Limted Lifetime Warranty On Construction, Five Year Warranty on Factory-Applied Header Coating! |
| Description_FAB |
Proud To Say, Made In The USA, Since 1954! |
| Description_SHO |
HEADERS, UNCOATED |
| Air Conditioning |
No |
| Automatic Transmission - Column |
No |
| Automatic Transmission - Floor |
Yes |
| Bolts/Studs Included |
Yes |
| California Proposition 65 |
WARNING: Cancer. For more info visit www.P65Warnings.ca.gov |
| Catalytic Converter(s) Included |
No |
| Collector Attachment |
3 in. |
| Collector Bolts Included |
Yes |
| Collector Diameter |
3 in. |
| Collector Size |
3 in. |
| Collector Style |
BALL and SOCKET Style (Gasketless) |
| Contents |
Header(s), new bolts, gasket(s) to head, reducer(s) and hardware, instructions |
| Crossover Pipe Included |
No |
| Cylinder Head |
Stock Profile Heads |
| Cylinder Head Port Shape |
Round |
| E.O. # |
No |
| Emissions Notes |
Not Legal For Street Use on '75-Later Model Years! Legal for off-road use only. |
| Engine |
Chevy BB 396-502 (MARK IV) |
| Exhaust System Dia |
2-1/2 in. |
| Finish |
Uncoated |
| Finish Type |
Uncoated Mild steel |
| Flange Style |
Standard |
| Flange Thickness |
0.3125 in. |
| Gasket Or Seal Included |
Yes |
| Header Construction |
MILD STEEL- Standard-Duty |
| Header Fasteners Included |
Yes |
| Header Finish |
Uncoated |
| Header Material |
Mild Steel |
| Header Port Shape |
Round |
| Header Style |
Long Tube |
| Installation Hardware Included |
Yes |
| Manual Transmission - Column |
No |
| Manual Transmission - Floor |
No |
| Material |
Mild Steel |
| Motor Mounts Included |
No |
| Mounting Hardware Included |
Yes |
| Notes |
Fits 396 to 502 cu. in. engine swaps |
| Package Contents |
Headers, ball and socket reducers (exhaust adapters), gaskets, mounting hardware |
| Port Shape |
Round |
| Power Steering |
No |
| Primary Tube Diameter (in) |
2 in. |
| Primary Tube Gauge |
16g |
| Quantity |
Sold as a pair. |
| Reducer Outlet Size |
2-1/2 in. |
| Reducers Included |
Yes |
| Replacement Gasket |
27540 |
| Replacement Head Flange Gasket |
27540 |
| Title |
HEDMAN HEDDERS STANDARD UNCOATED HEADERS; 2 IN. TUBE DIA.; 3 IN. COLL. |
| Tube Design |
Standard |
| Tube Diameter |
2 in. |
| Tube Length |
Long Tubes |
| Tube Material Thickness |
16g |
| Tube Size |
2 in. |
| Tube Style |
Long Tubes |
| Tuned |
No |
| Variations |
66005 |
| Weld-Up |
No |
| with A.I.R. System |
No |
| with EGR |
No |
| Y-Pipe Included |
No |
| Length |
10.0000 |
| Width |
18.0000 |
| Height |
46.0000 |
| Weight |
31.0000 |
