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About Bronco Exhaust Valves

Bronco Exhaust Valves

  • Bronco offers OEM Replacement valves for both utility and sportmodel ATVs.
  • OEM Replacement valves are made of durable SUH35B heat resistant steel that also come with fill Nitride finish for further durability and resistance to corrosion.
  • Performance valves receive a swirl polish, smooth stem treatment, and are made of 21-4N/SUH35HT stainless steel.
  • Performance valves are generally reserved for high performance/reving machines so these valves are forged with with Stellite-tipped valve stems.
  • All valves are manufactured under ISO 9001 certified factory.
  • All valves are stocked in both USA and Taiwan for immediate delivery.

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