Improved belt grip and bottom to mid acceleration. This kit was designed for extreme mud applications and to correct the shift pattern...

Improved belt grip and bottom to mid acceleration. This kit was designed to get big tires turning in heavy mud applications and correct...

DBW 450 28” and larger tires ( can also be used with some of the heavy 27” mud tires)   A lot of power can be lost...

2001-05 (Bottom-mid-range for use with stock or oversized tires)Our most popular kit for the 500HO, it is designed to increase belt grip...

06 - 09 fuel injected models w/EBS. 0- 4000' elevation. Also for All 2012,2013 500 with EBS engine brake (Oversized tires only)A...

2008-2013 Carb version with Non EBS clutches. 0-4000' elevation . (Oversized tires only) The Polaris 500 HO in its standard version is...

Sportsman 570 EBS 28" + tires. (* and some heavy 27" tires for mud applications) - 2014-15,18-19 only (2016,17 have...

Non EBS version for 28" + tire sizes. (* including some heavy 27" for mud applications). Includes a new primary spring, a custom helix,...

Oversized Tires With stock tires, our testing has shown this model to be quite well calibrated in stock form. With the addition of...

2002-2004Our most popular for the SP 700 was designed around the same objective as our successful DBW 500 kit. Great all around trail...

2014-19 Polaris Scrambler/Sportsman 1000 4X4 ATV Stock or oversized tires, adjustable kit. Optimum clutch calibration for the Scrambler...

2001-2004, non EBS Improved belt grip and bottom to mid acceleration without loss of top speed. This kit works well with stock 25" or...