Hedman Hedders - 68540
Headers - Street - 1.5 in Primary - 2.5 in Collector - Steel - Natural - GM LS-Series - GM A-Body - Pair
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- UNCOATED MILD STEEL
- Handcrafted, Mild Steel Construction.
- 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.
- Ball & Socket Collector Design requires No Gasket, and Allows For More Exhaust System Misalignment than Old School, Gasket-Style Header Collectors
- Includes All The Necessary Mounting Hardware, Gaskets and Reducers (exhaust adapters)
- Limted Lifetime Warranty On Construction, Five Year Warranty on Factory-Applied Header Coating!
- Proud To Say, Made In The USA, Since 1954!
Y-Pipe Included: No
Collector Attachment: 2-1/2 in.
Emissions Notes: Not Legal For Street Use on '75-Later Model Years! Legal for off-road use only.
Header Construction: MILD STEEL- Standard-Duty
E.O. #: No
Vehicle Family: A-Body (GM) 1964-67
Transmission Compatibility: Automatic Transmission
Transmission Compatibility: Manual Transmission
Automatic Transmission - Column: No
Automatic Transmission - Floor: Yes
Manual Transmission - Column: No
Manual Transmission - Floor: Yes
Contents: Header(s), new bolts, gasket(s) to head, reducer(s) and hardware, instructions
Product Type: Headers
Collector Diameter: 2-1/2 in.
Package Contents: Headers, ball and socket reducers (exhaust adapters), gaskets, mounting hardware
Tube Material Thickness: 16g
Primary Tube Gauge: 16g
Tube Design: Standard
Installation Notes: A non-essential area on LS block may need trimming for ball collector clearance.
Vehicle Family: Chevy Passenger Car- 1955-57
Header Fasteners Included: Yes
Finish Type: UNCOATED Mild Steel! Shipped with Temporary Paint.
Bolts/Studs Included: Yes
Flange Thickness: 0.375 in.
Gasket Or Seal Included: Yes
Header Style: Mid-Length Tube
Reducers Included: Yes
Collector Size: 2-1/2 in.
Collector Style: BALL and SOCKET Style (Gasketless)
Exhaust System Dia: 2-1/2 in.
Finish: Uncoated
Flange Style: Standard
Replacement Head Flange Gasket: 27470
Header Port Shape: Round
Material: Mild Steel
Port Shape: Round
Reducer Outlet Size: 2-1/2 in.
Tube Diameter: 1-1/2 in.
Tube Length: Mid-Length Tubes
Tube Size: 1-1/2 in.
Tube Style: Mid-Length
Variations: 68546
Cylinder Head Port Shape: Round
Header Finish: Uncoated
Header Material: Mild Steel
Mounting Hardware Included: Yes
Primary Tube Diameter (in): 1.50 in.
Tuned: No
Weld-Up: No
Collector Bolts Included: Yes
Catalytic Converter(s) Included: No
Crossover Pipe Included: No
Motor Mounts Included: No
Quantity: Sold as a pair.
Cylinder Head: Stock Profile Heads
Replacement Gasket: 27470
Installation Hardware Included: Yes
with A.I.R. System: No
with EGR: No
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