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

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...

Sportsman 450 2017-18 Sportsman 450 4x4 25” to 27” tires   This clutch kit for the 450 improves bottom end response...