| Description_ASM |
1965-1974 Chevrolet Bel Air CID 396, 1965-1974 Chevrolet Bel Air CID 402, 1968-1974 Chevrolet Bel Air CID 427, 1965-1974 Chevrolet Bel Air CID 454, 1965-1974 Chevrolet Bel Air CID 502, 1965-1972 Chevrolet Biscayne CID 396, 1965-1972 Chevrolet Biscayne CID 402, 1968-1972 Chevrolet Biscayne CID 427, 1965-1972 Chevrolet Biscayne CID 454, 1965-1972 Chevrolet Biscayne CID 502, 1969-1972 Chevrolet Brookwood CID 396, 1969-1972 Chevrolet Brookwood CID 402, 1969-1972 Chevrolet Brookwood CID 427, 1969-1972 Chevrolet Brookwood CID 454, 1969-1972 Chevrolet Brookwood CID 502, 1967-1981 Chevrolet Camaro CID 396, 1967-1981 Chevrolet Camaro CID 402, 1967-1981 Chevrolet Camaro CID 454, 1967-1981 Chevrolet Camaro CID 502, 1966-1974 Chevrolet Caprice CID 396, 1966-1974 Chevrolet Caprice CID 402, 1966-1974 Chevrolet Caprice CID 454, 1966-1974 Chevrolet Caprice CID 502, 1968-1973 Chevrolet Chevelle CID 396, 1968-1973 Chevrolet Chevelle CID 402, 1968-1973 Chevrolet Chevelle CID 427, 1968-1973 Chevrolet Chevelle CID 454, 1968-1973 Chevrolet Chevelle CID 502, 1968 Chevrolet Chevy II CID 396, 1968 Chevrolet Chevy II CID 402, 1968 Chevrolet Chevy II CID 427, 1968 Chevrolet Chevy II CID 454, 1968 Chevrolet Chevy II CID 502, 1968-1977 Chevrolet El Camino CID 396, 1968-1977 Chevrolet El Camino CID 402, 1968-1977 Chevrolet El Camino CID 427, 1968-1977 Chevrolet El Camino CID 454, 1968-1977 Chevrolet El Camino CID 502, 1965-1974 Chevrolet Impala CID 396, 1965-1974 Chevrolet Impala CID 402, 1968-1974 Chevrolet Impala CID 427, 1976-1977 Chevrolet Impala CID 427, 1965-1974 Chevrolet Impala CID 454, 1965-1974 Chevrolet Impala CID 502, 1973-1974 Chevrolet Laguna CID 396, 1973-1974 Chevrolet Laguna CID 402, 1973-1974 Chevrolet Laguna CID 427, 1976 Chevrolet Laguna CID 427, 1973-1974 Chevrolet Laguna CID 454, 1973-1974 Chevrolet Laguna CID 502, 1973-1977 Chevrolet Malibu CID 396, 1973-1977 Chevrolet Malibu CID 402, 1973-1977 Chevrolet Malibu CID 427 ...See Application Guide for Additional Fitments |
| Description_DEF |
Exhaust Header |
| Description_INV |
HEDMAN GM CAR HEADERS-SILVER |
| Description_EXT |
HTC Coated Headers; 1-3/4 in. Tube Dia.; 3 in. Coll.; Mid-Length Design |
| Description_FAB |
Handcrafted, Mild Steel Construction. |
| Description_FAB |
The Mid-Length Tube Header Design Provides Significantly More Low and Mid-range Power than Cast Manifolds, and Provide Better Ground Clearance And Component Compatibility Than Long Tube Headers. |
| 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_DES |
HTC Coated Headers; 1-3/4 in. Tube Dia; Mid-Length Design |
| Description_SHO |
HEADERS, COATED |
| Air Conditioning |
Yes |
| Automatic Transmission - Column |
No |
| Automatic Transmission - Floor |
Yes |
| Bolts/Studs Included |
Yes |
| California Proposition 65 |
WARNING: Cancer & Reproductive Harm. 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. # |
Yes |
| Emissions Notes |
EO# D167-33 (click here for covered vehicles in document on ARB.CA.GOV website) |
| Exhaust System Dia |
2-1/2 in. |
| Finish |
HTC Polished Silver Ceramic-Metallic |
| Finish Type |
HTC SILVER (polished) Ceramic-metallic Coating |
| 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 |
HTC Polished Silver Ceramic-Metallic |
| Header Material |
Mild Steel |
| Header Port Shape |
Round |
| Header Style |
Mid-Length Tube |
| Installation Hardware Included |
Yes |
| Key Feature |
EO# (Without A.I.R.) |
| Manual Transmission - Column |
No |
| Manual Transmission - Floor |
Yes |
| Material |
Mild Steel |
| Motor Mounts Included |
No |
| Mounting Hardware Included |
Yes |
| Notes |
64-94 Various Chevy Car 283-400 |
| Package Contents |
Headers, ball and socket reducers (exhaust adapters), gaskets, mounting hardware |
| Port Shape |
Round |
| Power Steering |
Yes |
| Primary Tube Diameter (in) |
1.75 in. |
| Primary Tube Gauge |
16g |
| Quantity |
Sold as a pair. |
| Reducer Outlet Size |
2-1/2 in. |
| Reducers Included |
Yes |
| Replacement Gasket |
27530 |
| Replacement Head Flange Gasket |
27530 |
| Title |
HEDMAN HEDDERS HTC COATED HEADERS; 1-3/4 IN. TUBE DIA.; 3 IN. COLL.; MID-LENGTH DESIGN |
| Tube Design |
Standard |
| Tube Diameter |
1-3/4 in. |
| Tube Length |
Mid-Length Tubes |
| Tube Material Thickness |
16g |
| Tube Size |
1-3/4 in. |
| Tube Style |
Mid-Length |
| Tuned |
No |
| Variations |
68617, 68687 |
| Weld-Up |
No |
| with A.I.R. System |
No |
| with EGR |
No |
| Y-Pipe Included |
No |
| Length |
8.0000 |
| Width |
17.0000 |
| Height |
29.0000 |
| Weight |
24.0000 |
