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Scorpion Extreme Duty Racing Valves


Scorpion Racing Products
Scorpion Extreme Duty Racing Valves

Product images may differ from actual product appearance.


Scorpion Extreme Duty Racing Valves offer the most popular and best high-performance stainless steel racing valves available for Small Block Chevy, Big Block Chevy, Corvette LS1, and Ford. Proudly made in the USA.


Intake Valves
  • Non-magnetic stainless steel 21-4N, a superior alloy 10 grams lighter than the competition yet durable enough for rigorous endurance racing applications
  • One-piece forging for maximum durability
  • Heat-treated tip 54 HRC minimum
  • Hard chromium stem with superfinishing for a much better surface finish
  • Double swirl polish with finer finishing
  • Back-cut for important flow improvement
  • Lightweight design with undercut stems to reduce weight and improve flow figures
  • Very tight tolerances to allow smaller guide clearances reducing oil consumption through the guides

    Exhaust Valves
  • Non-magnetic stainless steel 23-8N, a superior alloy for higher temperatures and closer to Inconel than any other valve steel
  • Hard chromium stem with superfinishing for much lower surface roughness
  • Heat-treated tip 54 HRC minimum
  • Double swirl polish with finer finishing
  • Back-cut for important flow improvement
  • Lightweight design with undercut stems to reduce weight and improve flow figures
  • Tapered exhaust undercuts to increase strength at high temperatures
  • Very tight tolerances to allow smaller guide clearances reducing oil consumption through the guides


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