Baisley Hi-Performance of Portland Oregon



Modification and Machining Services For Harley Davidson Engines

We are a full service machine shop specializing in Harley engines.  Let us help you design the engine you desire.

Here are a few examples of Engine Services we offer

  • Case modifications131 Cubic Inch Pistons
    • Case boring for oversize cylinders
    • Cam lobe clearance
    • Breather gear hole repair
    • Fitting Timken bearing endplay
    • Line bore pinion bearing
    • Hone tappet blocks for oversize tappets
  • Cylinder modifications
    • Cylinder boring
    • Piston modifications to achieve desired compression characteristics
    • Surfacing cylinders
  • Head work
    • See Head and Rocker Service pages for more details
  • Crankshaft
    • Balancing
    • Rebuild connecting rods
    • Helicoil installation for all types of threads

Call or email for more detailed descriptions of specific engine work you desire.

If you don't see the engine modification services you are looking for call for availability and pricing. We are constantly developing tooling to include more engines, contact us if yours is not listed, it is likely we work on your engine.


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