Cylinder Head / Cams

Cylinder Head Service

Make sure your ATV is ready for the race or the trails. We will check out everything clean and replace any parts to make sure your your ready to go.

  • Head dissambled 
  • Head is soda blaster and ultrasonic cleaned
  • Full inspection of components
  • Head is reassembled and shimed to correct specs
  • $99 (Please send in cams so we can shim correctly to you cams)

XC 1 Port and Polish +Oversize Valve package

Run what the XC1 pros run (Merrit, Gallagher, Yoho) This package will keep you out front! Includes all the labor and parts to make you head the same as the pros.

  • Full Head Service
  • Head port and polished
  • Includes new oversized valves
  • Valve seats are cut with performance angle
  • Throat are bored for increased airflow to match larger valves
  • $1450

XC 1 Port and Polish

Run the same port design as the pros but with the stock valve train. This package will keep you up front! Includes all the labor and parts.

  • Full Head Service
  • Head port and polished
  • $489

XC 2 Port and Polish

Have you head ported and polish and remain trail friendly. This package will give you more hp and you will not lose and reliablity. The stock lenght guides are keep to incease the surface area on the valve stem for less wear. 

  • Full Head Service
  • Head port and polished
  • $399


Camshaft for Stock Valves

Great preforamce cam for xc type racing and riding

  • Increased lift for more hp
  • compatible with stock valves and piston
  • $189


Camshaft for Oversize Valves

Great preforamce cam for xc type racing  works great with our xc1 Head Package.

  • Increased lift for more hp
  • Recommened to use aftermarket piston
  • Recommened for oversize valves 
  • $189

Valve Cover Fitting Mod

Stock valve cover fittings like to pop out under racing conditions which results in you losing engine oil all over. 

  • Threaded insert for superior strength.
  • Keep your oil where it belongs inside your engine.
  • One of the first mods you should do to your YFZ450r/x before racing.
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