Ferrea S10117 04-05 Honda TRX 450 15.10mm ID 75lbs at 37mm Seat Pressure Single Valve Springs - Set of 4

For almost 50 years we have been manufacturing hard core racing components for various types of engines in wide range of categories. Our R&D department continue to innovate and produce products that keep up with today’s fast growing automotive market. Our technology allows us to provide the highest level of performance and reliability for our customers. Our association with many of the industry's leading head manufacters has given us the opportunity to implement these race proven high quality designs for all categories of racing. Our high power valvetrain components are sold in more than 30 countries worldwide through our extensive dealer network. Using our Dealer Locator on the site, you can easily find a dealer located closest to you. With one of the largest Custom Valve departments in the industry, we are able to produce Titanium or Stainless Steel Valves for all types of applications. We can even custom make just one valve.