Hedman | Long-Tube E.O. Headers For 1987-91 Corvette 283-400 with A.I.R

Hedman – Exhaust Headers

Description

The Hedman 68447 are uncoated mild steel long-tube E.O. headers designed for Chevrolet Corvette models with the Small Block Chevy (Gen 1) 283-400 engine equipped with an A.I.R. system. Handcrafted in the USA since 1954 with CNC mandrel-bent tubes, these headers deliver excellent top-end horsepower. The ball & socket gasketless collector eliminates the need for a collector gasket. EO# D167-33 certified. INSTALLATION NOTE: EGR gasket not included – purchase AC Delco #219-590 or GM #19236589 separately.

Specifications

• Brand: Hedman Hedders
• Part Number: 68447 (See Application Section)
• Fitment: Chevrolet Corvette with SB Chevy 283-400 + A.I.R. (See Application Section)
• Condition: New
• Type: Long-Tube Headers (Full Length) with A.I.R.
• Material: Uncoated Mild Steel (shipped with temporary paint)
• Primary Tube Diameter: 1-5/8 in. (16 gauge)
• Collector Diameter: 3 in. – Ball & Socket Style (Gasketless)
• Flange Thickness: 0.3125 in.
• Emissions: EO# D167-33
• Installation Note: EGR Gasket Not Included – AC Delco #219-590 or GM #19236589 required
• Contents: Headers, ball & socket reducers, gaskets, hardware, instructions
• Made in the USA
• Sold and shipped by GBP Performance

Note:

• Livraison GRATUITE / FREE Delivery