Hedman Hedders - 58156
Headers - Street - Long - 1.75 in Primary - 3 in Collector - Steel - Silver Ceramic - Small Block Chevy - GM G-Body 1968-76 - Pair
Standard-Duty Headers For 1968-76 Oldsmobile Cars with 400-455 Engine; 1-3/4 in. Long Tube Design; 3 in. Ball/Socket Collector- Mild Steel Construction with HTC Polished-Silver Ceramic Coating
- Handcrafted, Mild Steel Construction.
- Long Tube Header Design Provides Excellent Top-End Horsepower and Torque.
- 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!
Header Style: Long Tube
Reducers Included: Yes
Air Conditioning: Yes
Automatic Transmission - Column: Yes
Automatic Transmission - Floor: Yes
Collector Size: 3 in.
Collector Style: BALL and SOCKET Style (Gasketless)
Emissions Notes: EO# D167-27 (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
Replacement Head Flange Gasket: 27800
Manual Transmission - Column: No
Manual Transmission - Floor: Yes
Material: Mild Steel
Power Steering: Yes
Reducer Outlet Size: 2-1/2 in.
Tube Diameter: 1-3/4 in.
Tube Length: Long Tubes
Tube Size: 1-3/4 in.
Variations: 58150, 58158
Cylinder Head Port Shape: Rectangle
Header Finish: HTC Polished Silver Ceramic-Metallic
Header Material: Mild Steel
Mounting Hardware Included: Yes
Primary Tube Diameter (in): 1.75 in.
Tuned: No
Weld-Up: No
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: 27800
Installation Hardware Included: Yes
with A.I.R. System: No
with EGR: No
Y-Pipe Included: No
Collector Attachment: 3 in.
Header Construction: MILD STEEL- Standard-Duty
E.O. #: Yes
Contents: headers, gaskets (when applicable), 3-bolt exhaust adapters, hardware
Notes: 71-76 Delta 88, 68-76 Cutlass, Vista Cruiser 400-455
Collector Diameter: 3 in.
Tube Style: Long Tubes
Package Contents: Headers, ball and socket reducers (exhaust adapters), gaskets, mounting hardware
Tube Material Thickness: 16g
Primary Tube Gauge: 16g
Tube Design: Standard
Header Fasteners Included: Yes
Bolts/Studs Included: Yes
Flange Thickness: 0.3125 in.
Gasket Or Seal Included: Yes
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