Description_ASM |
1964-1967 Buick Special CID 294 4.8 Liter, 1964-1967 Buick Special CID 364 CC 5967 6.0 Liter, 1964-1967 Buick Special CID 376 CC 6162 6.2 Liter, 1964-1967 Buick Sportwagon CID 294 4.8 Liter, 1964-1967 Buick Sportwagon CID 364 CC 5967 6.0 Liter, 1964-1967 Buick Sportwagon CID 376 CC 6162 6.2 Liter, 1964-1967 Chevrolet Chevelle CID 294 4.8 Liter, 1964-1967 Chevrolet Chevelle CID 364 CC 5967 6.0 Liter, 1964-1967 Chevrolet Chevelle CID 376 CC 6162 6.2 Liter, 1964-1967 Chevrolet El Camino CID 294 4.8 Liter, 1964-1967 Chevrolet El Camino CID 364 CC 5967 6.0 Liter, 1964-1967 Chevrolet El Camino CID 376 CC 6162 6.2 Liter, 1964-1967 Chevrolet Malibu CID 294 4.8 Liter, 1964-1967 Chevrolet Malibu CID 364 CC 5967 6.0 Liter, 1964-1967 Chevrolet Malibu CID 376 CC 6162 6.2 Liter, 1964-1967 Oldsmobile 442 CID 294 4.8 Liter, 1964-1967 Oldsmobile 442 CID 364 CC 5967 6.0 Liter, 1964-1967 Oldsmobile 442 CID 376 CC 6162 6.2 Liter, 1964-1967 Oldsmobile Cutlass CID 294 4.8 Liter, 1964-1967 Oldsmobile Cutlass CID 364 CC 5967 6.0 Liter, 1964-1967 Oldsmobile Cutlass CID 376 CC 6162 6.2 Liter, 1967 Oldsmobile Cutlass Supreme CID 294 4.8 Liter, 1967 Oldsmobile Cutlass Supreme CID 364 CC 5967 6.0 Liter, 1967 Oldsmobile Cutlass Supreme CID 376 CC 6162 6.2 Liter, 1964-1967 Oldsmobile F85 CID 294 4.8 Liter, 1964-1967 Oldsmobile F85 CID 364 CC 5967 6.0 Liter, 1964-1967 Oldsmobile F85 CID 376 CC 6162 6.2 Liter, 1964-1967 Oldsmobile Vista Cruiser CID 294 4.8 Liter, 1964-1967 Oldsmobile Vista Cruiser CID 364 CC 5967 6.0 Liter, 1964-1967 Oldsmobile Vista Cruiser CID 376 CC 6162 6.2 Liter, 1964-1967 Pontiac GTO CID 294 4.8 Liter, 1964-1967 Pontiac GTO CID 364 CC 5967 6.0 Liter, 1964-1967 Pontiac GTO CID 376 CC 6162 6.2 Liter, 1964-1967 Pontiac LeMans CID 294 4.8 Liter, 1964-1967 Pontiac LeMans CID 364 CC 5967 6.0 Liter, 1964-1967 Pontiac LeMans CID 376 CC 6162 6.2 Liter, 1964-1967 Pontiac Tempest CID 294 4.8 Liter ...See Application Guide for Additional Fitments |
Description_DEF |
Exhaust Header |
Description_EXT |
LS SWAP HEADERS FOR 1964-67 GM A-BODY; 1955-57 TRI-FIVE CHEVY; 1-1/2 in. SHORT TUBE, 2-1/2 IN. BALL/SOCKET COLLECTOR- HTC POLISHED SILVER CERAMIC-METALLIC COATED MILD STEEL |
Description_FAB |
Handcrafted, Mild Steel Construction. |
Description_FAB |
The Shorter 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 |
64-67 GM A-BODY, CHEVY TRI-5 LS ENGINE SWAP HEADERS 1-1/2 in.- HTC COATED |
Description_INV |
HEDMAN GM CAR HEADERS-SILVER |
Description_SHO |
HEADERS, COATED |
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 |
2-1/2 in. |
Collector Bolts Included |
Yes |
Collector Diameter |
2-1/2 in. |
Collector Size |
2-1/2 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. |
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 |
0.375 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 |
Installation Notes |
A non-essential area on LS block may need trimming for ball collector clearance. |
Material |
Mild Steel |
Motor Mounts Included |
No |
Mounting Hardware Included |
Yes |
Package Contents |
Headers, ball and socket reducers (exhaust adapters), gaskets, mounting hardware |
Port Shape |
Round |
Primary Tube Diameter (in) |
1.50 in. |
Primary Tube Gauge |
16g |
Product Type |
Headers |
Quantity |
Sold as a pair. |
Reducer Outlet Size |
2-1/2 in. |
Reducers Included |
Yes |
Replacement Gasket |
27470 |
Replacement Head Flange Gasket |
27470 |
Title |
HEDMAN HEDDERS FOR 1964-67 GM A-BODY AND 1955-1957 CHEVY TRI-FIVE / LS ENGINE SWAP HEADERS 1-1/2 IN.- HTC COATED |
Transmission Compatibility |
Automatic Transmission |
Tube Design |
Standard |
Tube Diameter |
1-1/2 in. |
Tube Length |
Mid-Length Tubes |
Tube Material Thickness |
16g |
Tube Size |
1-1/2 in. |
Tube Style |
Mid-Length |
Tuned |
No |
Vehicle Family |
A-Body (GM) 1964-67 |
Weld-Up |
No |
with A.I.R. System |
No |
with EGR |
No |
Y-Pipe Included |
No |
Length |
8.0000 |
Width |
13.0000 |
Height |
20.0000 |
Weight |
18.0000 |