DSS (2012-2015)

DSS (2012-2015)

Using different thickness and diameter shim washers under the spider is something racers sometimes use for belt grip and engagement characteristics. Please see details below.


This one piece spider shim has been successfully used by many clutch tuners to increase belt grip at take off on some of the recent Cat models*. Previous (pre-2007) Arctic drive clutches had three of the .060" washers under the spider. Some 07-09* models now come with less shims (2 x .060", 1 x .030"). These clutches with less shims are sensitive and sometimes engage higher even with less spring rate than earlier years. By replacing the existing washers with this one piece shim it moves the spider out slightly, so that the flyweight is "untucked" more at first engagement for better leverage, and increases belt grip on some high torque models and is a good improvement in belt life. This shim is .180" thickness of large diameter, and .020 of small diameter. DSS-A1 = .180/.020


Some of the 2010-2015 Arctic drive clutches have a new cast spider that is a bit different geometry and only have one .060 steel shim under the spider from the factory because the spider is different. By replacing that single steel washer with this steel stepped shim would allow .085" thickness of that large diameter shim (instead of the stock .060, thus untucking weights more) and also .025 more belt side clearance. The racers that like to experiment with more belt grip may prefer this one piece shim to stacking washers of different diameters. DSS-A2 = .085/.025


Similar clutch /model applications as DSS-A2 but with more side belt clearance. DSS-A3 = .090/.060

*Arctic and aftermarket sources offer special tools for removing the spider from a drive clutch. There have been procedures in some model year service manuals. This is something that cannot be accomplished with normal hand tools, and only should be done for race applications and by qualified persons. If you feel you need different spider shims for a race application , etc. you should consult your dealer or a qualified performance company with the proper equipment to carry out the procedure.

Product Specifications

Product Name:

Arctic Spider Shim (2012-2015 Procross models)




DSS (2012-2015)

For :

Arctic Cat

Suggested list price :

CAD $22.00 / USD $18.00


Jul 2015

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