High performance does not come without its price. That price often is reduced reliability in the form of damaged internal engine parts. However, high tech, high performance engine coatings can...Read more
Recent Posts by swaintech
Pistons are the highest stressed and the most critical part of an internal combustion engine. This is especially true for a two stroke motor. The four cycle piston only sees...Read more
When building a mighty 200HP twin, PSI performance made many modifications to let them produce 200HP from a motor that started life as a 700cc twin. Custom cylinders were made...Read more
Last winter, one of our motocross customers met with me and asked, “Dave, how can I get more low and mid-range power and a little longer engine life without sacrificing...Read more
There are a lot of glamorous, expensive, go-fast products on the market. Many racers are certain that these magic bolt-ons will make their sled the fastest on circuit. But Dave...Read more
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