High-compression pistons are a common upgrade for dirt bikes and other motorcycles, but bumping compression isn't always beneficial. We take a look what effects higher compression has, designing high-compression pistons, and what factors to address when considering adding one.
Winning two different championships in one year is not an easy task. Gary Sutherlin did so in 2017, but unexpectedly found himself without a ride a month before the 2018 season. We talk to Gary about the adversity he faced, and single-handedly making a new program work for the 2018 season.
Keith Reid is a dedicated racer in the modern world of UTV racing. He currently races a RZR XP 900, that was recently rebuilt to add more power and reliability. Read on as we take a look inside Keith's engine, powered by JE pistons.