ATV / UTV

472-DPSSMBL Metallic blue secondary spring is heavier than the secondary spring in our 472-DBW660Y Grizzly kit. It can be used as an accessory to a...

Suzuki Twin Peaks 4X4 ONLY 700 V-twin model, 25-26 inches tires: 472-DK650700S. This combination of new slightly heavier secondary spring and our p...

Silicon-steel springs with high carbon content, heat-treated, dynamically balanced, kiln painted, designed and calculated for each specific applica...

Extremely durable Polyamide-resin rollers. The low rate of wear caused by slipping (3.5 µm/km) ensures exceptional life and dimensional stability t...

Multivar is very easy to fit and to modify. It is developed in detail and for specific applications. With a variator that features such sophisticat...

Flyweight Bushing Tool makes installation and removal of flyweight bushings easy (Arctic Cat, Polaris, Yamaha).

500 g Capacity 0.01 g Increments

Many professional tuners of snowmobiles and automatic ATVs use gram scales to achieve balanced total mass after adding or subtracting flyweight gra...

ATV/UTV Secondary Springs

ATV/UTV Secondary Springs

ATV/UTV Secondary Springs

Suzuki Vinson 500 4x4. 472-DSA500MT: Our heavier secondary spring has already proven to prolong belt life and help with bottom end response. Now, i...

Oversized tires 27”-28” This kit combines our popular plain/purple secondary spring with a new primary spring that has slightly higher fully compre...

472-DP450 Sportsman 450 2017-18 Sportsman 450 4x4 25” to 27” tires This clutch kit for the 450 improves bottom end response and acceleration. The k...

472-DBT400SP: Polaris Sportsman 400, Oversize Tires. Improved belt grip and bottom to mid acceleration. This kit was designed for extreme mud appli...

Sportsman 400 non-EBS 472-DP400SP: Improved belt grip and bottom to mid acceleration without loss of top speed. This kit works well with stock 25-o...

472-DP500A: Polaris Sportsman 500HO More aggressive acceleration for high performance riders. Includes a set of billet steel DaltonPro flyweights, ...

Sportsman 570 EBS 28’’ + tires (and some heavy 27’’ tires for mud applications). This kit includes a new primary spring, the Quick Adjust flyweight...

Non-EBS version for 26-27’’ tires. This kit includes a new primary spring and a custom ground (private label) billet helix for the application. Pre...

Polaris Sportsman 800 EFI Oversized Tires: 472-DPPSOBL. The stock 800 EFI comes with 26 inch tires. If you choose to switch to heavier, more aggres...

Stock or oversize tires. Adjustable clutch kit. One clutch kit that can be set up for different terrain and tire sizes/elevations means accurate cl...

472-DUVP9R16 Clutch kit that can be installed for different terrains and conditions, that means an accurate clutch tuning for every situation. It o...

Polaris 900 RZR - Trail / S / XC Stock or oversize tires. Adjustable clutch kit. Polaris has replaced the 800 RZR models with a new RZR. This is a ...

30-32’’ tires. Adjustable kit for tires, terrains. 0-3000’ elevation, with adjustments for ‘‘occasional visit’’ to mid-elevations (4000 - 6000’). 2...