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Welcome to Island Racing Services, Inc.

We are a custom engine builder with full inhouse cababities. We build and test drag, circle track, and marine engines. We also offer a wide range of Hi Performance and Racing parts. Please feel free to shop online or call us with any of your Hi-Performance needs. Vist us on Facebook under Island Racing.

Our Services

  • Race engine design and build services
  • Cylinder Head Machining and Race Porting
  • Cylinder Head Flow Testing
  • Custom Porting Custom Rotating Assemblies
  • Tig/Heliarc Welding
  • Custom Fabrications
  • Race and Hi Performance Parts Sales
  • Powder Coating
  • Shock Revalving and Rebuilding
  • Engine Design and Building
  • Nitrous kits and plumbing service

News & Specials

Tech Article Valve Adjustment

We get may questions related to the proper way or correct way to adjust valves on a solid or mechanical roller cam. This brief article will explain the correct way to accomplish the task. First off it is critical that when you adjust your lash that the valve you are adjusting is on the base circle of the cam. This is not as easy as it may sound especially if your ramp speed is high and you  have little overlap. I usually start at the front of the motor on either side and work my way back as I adjust valves from front to rear.

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