Hedman Hedders - 68506
Headers - Tight Tubes - 1.625 in Primary - 2.5 in Collector - Steel - Metallic Ceramic - Small Block Chevy - Street Rod - Chevy Fullsize Car 1955-57 - Pair
TIGHT TUBES Street Rod Headers; SB Chevrolet 283-400; 1-5/8 In. Tube Diameter, 2-1/2 in. Collector- HTC Polished Silver Ceramic-Metallic Coated Mild Steel
- The Lowest Profile Header On The Market
- The Flat, Clamshell Style Collector Has an Extremely Low Profile So they'll Fit in Nearly Any Street Rod or Custom Build With Little Clearance.
- The High Volume Flat Collector Offers Improved Exhaust Flow For Far Superior Performance Over Classic Block Hugger Models.
- Includes Classic, 3-Bolt Gasket-Style Header Collectors, 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!
Mounting Hardware Included: Yes
Primary Tube Diameter (in): 1.625 in.
Primary Tube Gauge: 16g
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: 27520
Installation Hardware Included: Yes
with A.I.R. System: No
with EGR: No
Y-Pipe Included: No
Emissions Notes: Not Legal For Street Use on '75-Later Model Years! Legal for off-road use only.
Contents: Header(s), new bolts, gasket(s) to head, reducer(s) and hardware, instructions
Notes: 55-57 Chevrolet Passenger Cars 283-400 Tight Tube
Engine: Chevy SB 283-400
Reducer Outlet Size: 2 in.
Exhaust System Dia: 2 in.
Collector Attachment: 2-1/2 in.
Collector Diameter: 2-1/2 in.
E.O. #: No
Package Contents: Headers, reducers (exhaust adapters), gaskets, mounting hardware
Tube Design: Standard
Header Construction: MILD STEEL- Standard-Duty
Header Fasteners Included: Yes
Bolts/Studs Included: Yes
Flange Thickness: 0.3125 in.
Gasket Or Seal Included: Yes
Header Style: TIGHT TUBES
Reducers Included: Yes
Air Conditioning: Yes
Automatic Transmission - Column: Yes
Automatic Transmission - Floor: Yes
Collector Size: 2-1/2 in.
Collector Style: 3-Bolt Gasket Style Flange
Finish: HTC Polished Silver Ceramic-Metallic
Finish Type: HTC SILVER (polished) Ceramic-metallic Coating
Flange Style: Standard
Replacement Head Flange Gasket: 27520
Header Port Shape: Oval Port
Manual Transmission - Column: Yes
Manual Transmission - Floor: Yes
Material: Mild Steel
Port Shape: Oval
Power Steering: Yes
Tube Diameter: 1-5/8 in.
Tube Length: Tight Tubes
Tube Material Thickness: 16g
Tube Size: 1-5/8 in.
Tube Style: Tight Tubes
Variations: 68500
Cylinder Head Port Shape: Oval
Header Finish: HTC Polished Silver Ceramic-Metallic
Header Material: Mild Steel
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