- Ultimax 3 has evolved into Ultimax Pro
- Belt features a thicker cross section so more surface area contacts the clutch; this means less slippage over a broader speed range for quicker acceleration
- New cog design dissipates heat and aids flexibility
- Cooler-running belts mean better performance and longer-lasting belts
- Run cool, run long, run fast with Ultimax Pro
- Top-cog design
Ski-Doo -- MX-Z 500 TNT SS w/120" Track -- (2009, 2008, 2009, 2008); Ski-Doo -- MX-Z 500 Trail SS w/121" Track -- (2007, 2006, 2005, 2008, 2009, 2004, 2006, 2007, 2004, 2009, 2005, 2008); Ski-Doo -- GSX Sport SS 500 w/121" Track -- (2006, 2005, 2007, 2008, 2004, 2008, 2009, 2005, 2006, 2009, 2004, 2007); Ski-Doo -- MX-Z 500 Adrenaline SS w/121" Track -- (2004, 2007, 2005, 2006, 2004, 2007, 2006, 2005); Ski-Doo -- GTX 500 Sport SS w/136" Track -- (2005, 2007, 2006, 2008, 2007, 2005, 2008, 2006); Ski-Doo -- MX-Z 500 Trail SS w/120" Track -- (2008, 2009, 2008, 2009); Ski-Doo -- GSX Sport SS 500 w/120" Track -- (2008, 2004, 2007, 2005, 2005, 2006, 2009, 2006, 2009, 2004, 2007, 2008); Ski-Doo -- MX-Z 500 Trail -- (2007, 2007); Ski-Doo -- MX-ZX 440 Race Sled -- (2005, 2007, 2006, 2006, 2004, 2004, 2005, 2007)