- Achieves peak rpm faster and more aggressively
- Amazing all-around performance gains
- Holds peak rpm better
- Back shifts much quicker
- Superior weight profile offers better acceleration
- Works well with stock or modified motors
- Easily adjustable for tire size or other modifications
- Custom angle cut helix
- Much better power transfer than the stock weights
- Comes with two washers to prevent spring bind and free up clutch movement for faster shifts
- Spring holds much better tension on the belt than factory
- Includes primary and secondary springs
- Stage 1 or Stage 2 kits available
- Includes Goldstar weights
Polaris -- Sportsman 800 Forest EFI 4x4 -- (2012); Polaris -- Sportsman 800 Twin EFI -- (2006, 2005); Polaris -- Sportsman 800 Big Boss EFI 6x6 -- (2010, 2013, 2011, 2014, 2009, 2012); Polaris -- Sportsman 800 MV -- (2006, 2002, 2012, 2008, 2009, 2013, 2015, 2003, 2001, 2007, 2005, 2011, 2000, 2004, 2014, 2010); Polaris -- Sportsman 800 Twin Browning Hunter Edition EFI -- (2006, 2005); Polaris -- Sportsman 800 EFI 4x4 -- (2009, 2008, 2012, 2013, 2014, 2007, 2011, 2010); Polaris -- Sportsman X2 800 -- (2007, 2009); Polaris -- Sportsman 800 LE EFI -- (2008, 2007); Polaris -- Sportsman X2 800 LE -- (2008); Polaris -- Sportsman 800 Deluxe EFI -- (2007); Polaris -- Sportsman 800 Camo EFI -- (2005); Polaris -- Sportsman 800 LE Browning Hunter Ed. EFI -- (2008); Polaris -- Sportsman Touring 800 EFI -- (2008, 2009); Polaris -- Sportsman 800 Silver and Black EFI -- (2006); Polaris -- Sportsman X2 800 Deluxe -- (2007)