Our race-proven PowerBlocks are made from T6 aluminum and are stronger than stock plastic blocks.
43594 - PowerBlock w/lever - is thinner and comes with our custom lever which is shorter than most stock levers.
43599 - PowerBlock - offers two pivot positions for larger carbs and a two piece design for easy installation. This bock requires a Arctic Cat FireCat throttle lever. It will also work on a Polaris or Ski Doo when used with our Throttle Extension Cable and a Firecat Throttle Lever.
43599 requires lever: Arctic Cat Lever Part # - (0609-797 - ball end) & (0609-368 barrel end)