Why Hi-Torque Ski-Doo QRS Secondary Clutch Rollers Are a Better Upgrade
Why Hi-Torque Ski-Doo QRS Secondary Clutch Rollers Are a Better Upgrade
If you own a Ski-Doo snowmobile, your secondary clutch plays an important role in transferring power from the engine to the track. Inside the clutch, the rollers work against the helix to help control shifting, backshifting and how efficiently power reaches the ground.
But when it comes time to replace your Ski-Doo QRS secondary clutch rollers, should you simply reinstall the stock rollers, or upgrade to something better?
At Pelican Racing Parts, we recommend Hi-Torque QRS secondary clutch rollers for riders looking for a precision-made replacement designed to handle the demands of real-world snowmobiling.
From their thermoset composite construction to their precision-machined fit and included stainless-steel thrust washers, Hi-Torque rollers offer several features that make them worth considering when servicing your Ski-Doo secondary clutch.
Why Do Ski-Doo QRS Secondary Clutch Rollers Matter?
Your QRS secondary clutch is an important part of your snowmobile's continuously variable transmission (CVT). The rollers interact with the clutch helix as the drivetrain responds to changing load and riding conditions.
Roller wear, damage or inconsistent movement can affect clutch operation. In severe cases, a failed roller can leave you with a snowmobile that cannot operate properly until the clutch is repaired.
That is why inspecting your secondary clutch rollers during routine maintenance is important, especially if you ride aggressively, put on high mileage or operate your snowmobile under demanding conditions.
Rather than waiting for a worn or damaged roller to cause a problem, leave you stranded on the trail or consider upgrading when your clutch is already apart for service ahead of the season.
1. Thermoset Composite Construction
One of the key features of Hi-Torque QRS rollers is their thermoset composite material.
Unlike conventional plastic materials that may deform or develop flat spots under repeated loading, Hi-Torque uses a purpose-developed composite designed for the impact, pressure and temperatures experienced inside a secondary clutch.
Maintaining the roller's shape and allowing it to operate consistently are important for dependable clutch performance.
For riders who put their snowmobiles through hard trail riding, deep snow, utility work or performance applications, material selection is an important consideration when choosing replacement rollers.
2. Precision-Machined for a Consistent Fit
A replacement roller needs to do more than fit inside the clutch. It needs to move freely and operate consistently on its pivot.
Hi-Torque rollers are fully machined to accurate tolerances and designed for a precision pin fit. This helps provide stable roller movement and consistent interaction with the helix.
Why does this matter?
A roller that does not move freely or has excessive play can compromise consistent clutch operation. Proper fit and free movement help the clutch respond as intended.
As with any clutch component, correct installation and inspection of the pivot surfaces are essential. Always follow the manufacturer's instructions for your specific roller kit.
3. Designed for Smooth Shifting and Backshifting
Clutch calibration affects how your snowmobile accelerates, maintains engine RPM and responds when riding conditions change.
Hi-Torque rollers are designed to provide smooth, consistent roller movement and dependable torque feedback through the secondary clutch.
For riders, the goal is predictable clutch behaviour, whether accelerating on a trail, climbing a hill or transitioning between changing snow conditions.
A roller upgrade will not replace proper clutch calibration, belt maintenance or a suitable clutch setup. However, quality rollers provide an important foundation for the clutch to work as designed.
4. Stainless-Steel Thrust Washers Included
Hi-Torque QRS roller kits include stainless-steel thrust washers along with the rollers and the required retaining hardware.
The washers are an important part of the assembly. Their purpose is to help manage side-thrust contact and reduce friction at the roller's side face when installed correctly.
Reducing unwanted friction and maintaining proper side clearance can help the roller operate smoothly.
The complete kit includes:
Two Hi-Torque secondary clutch rollers
Two stainless-steel thrust washers
Two E-clips
Two small-diameter spring pins
Two large-diameter spring pins
Hardware and installation requirements can vary by application, so confirm that the kit matches your particular QRS clutch before ordering.
5. A Popular Upgrade for Ski-Doo QRS Clutches
Hi-Torque rollers have a history in snowmobile performance applications, with development and testing on trails, mountain terrain and race tracks.
Their combination of composite construction, precision machining and attention to roller fit has made them a popular choice among riders looking for an alternative to standard replacement rollers.
For many owners, replacing the rollers while servicing the secondary clutch is an opportunity to consider durability and fit rather than simply replacing worn components with the same type of part.
No roller can eliminate every clutch failure, and service life depends on the application, clutch condition, installation and riding style. Nevertheless, choosing a well-engineered replacement is a sensible step toward maintaining a dependable drivetrain.
Which Ski-Doo Models Do Hi-Torque QRS Rollers Fit?
The standard Hi-Torque QRS roller kit is listed for Ski-Doo QRS secondary clutches from 2008 onward, including a range of MXZ, Renegade, Summit and Backcountry applications.
There is also a dedicated Hi-Torque roller kit for certain Super Wide Track applications, including compatible Skandic and Expedition models using the QRS secondary clutch.
Important: Model year alone does not guarantee compatibility. Confirm your clutch type and application before ordering. Super Wide Track models using a high/low range chain case may require the specialized SWT roller kit rather than the standard version.
Hi-Torque Rollers vs. Standard Replacement Rollers
When comparing replacement rollers, look beyond price alone.
Consider the material, machining accuracy, fit on the pivot, side-thrust arrangement, included hardware and intended application. These details matter because the rollers operate under repeated loads and are part of a system that needs to move consistently.
Hi-Torque brings these features together in a purpose-built QRS roller kit. For riders who want a carefully engineered replacement rather than choosing solely on initial cost, it is an upgrade worth considering.
The best choice is always a roller that is compatible with your clutch, correctly installed and suited to your intended use.
How Do You Know Your Rollers Are Broken?
The first thing you will notice is the belt sitting lower in the secondary clutch. It will no longer be able to be set at the correct height due to the helix traveling further then designed due to the roller is broken and now the helix is sitting on just the pin. The broken piece of the roller often stays jammed in the assembly , Your now starting off in a higher gear ratio due to the belts location in the secondary clutch. This will often leave you stranded on the trail!
Upgrade Your Ski-Doo QRS Secondary Clutch
If you are servicing your Ski-Doo secondary clutch or replacing worn rollers, take a look at the Hi-Torque QRS secondary clutch roller kit available from Pelican Racing Parts.
We supply snowmobile performance and replacement components for riders who value quality parts, proper fitment and dependable performance.
Shop Hi-Torque Ski-Doo QRS Secondary Clutch Rollers:
Select Hi torque white rollers for Ski-doo Expedition & Skandic ( 20" or 24" Track models )
Select the standard Hi Torque rollers for all other Ski-doo Models with QRS secondary
Pelican Racing Parts — Performance Parts for Riders Who Demand More.
