Whether for race cars or street cars, a custom header using Ultimate Headers components delivers performance and good looks.

Ultimate Headers 321 Stainless Steel header tubes are a premium level material for several reasons. The material is very durable and lightweight with excellent eye appeal. 321 Stainless Steel also another important feature – heat resistance.

Matched with Ultimate Headers’ cast Stainless Steel flanges and tight radius elbows, the 321 Stainless Steel header tubes create an unbeatable combination of strength in a visually pleasing package.

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  • 321 Stainless Steel is widely used in drag racing, NASCAR, IndyCar, endurance road racing and Formula One for durability and to save weight
  • 321 Stainless Steel features titanium added to the basic nickel/chromium steel alloy for resistance to material fatigue and thermal cracking required in high heat environments
  • 1-7/8” (1.875”) diameter tubing
  • 0.049” sidewall thickness
  • Light weight

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