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- 2017 to 2023+ A/C ZR9000 Thundercat
- Clutch upgrades (drivetrain)
- STM tuner helix (only for STM secondary)
Related Products

STM Procross Torsional secondary conversion
STM
MSRP:
Now:
229.99$ USD
Was:
Product Description
2012-13 Arctic Cat Torsion spring cap option that is used with the STM billet helix's. Allows the use of the Arctic Cat torsion spring and has holes for spring load...

STM torsional Helix for STM torsion conversions
STM
MSRP:
Now:
129.99$ USD
Was:
STM torsional Helix for STM torsion conversions

2017 to 2023+ Thundercat/ZR 9000 Tornado Torsion conversion Secondary only
MSRP:
Now:
349.99$ USD
Was:
2017 to 2020 Arctic cat tornado torsion conversion for secondary only

Arctic Cat style secondary spring Black & Lime For STM
MSRP:
Now:
36.66$ USD
Was:
Arctic Cat style secondary spring for STM Secondary Clutches

GBoost BADASS AC998 with STM 11.250" secondary
MSRP:
Now:
194.99$ USD
Was:
Fit's Arctic Cat 998 with STM 11.25" secondary
EX (Bad Ass) Belt Line
• Ultra-strong Aramid Fiber cord that can handle/carry more than 10,000 pounds of tension without stretching or breaking.•...
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Tapp HD Billet Primary Clutch for 998 turbo (Button Style)
Tapp
MSRP:
Now:
1,849.00$ USD - 1,899.00$ USD
Was:
Tapp HD Billet Primary Clutch (easy to run, quiet clutch, more grip)
This clutch runs extremely quiet (no rattling). It also put more track HP down by reducing clutch slip.
It also significantly...

Turbo Dynamics Stage 6 Upgrade package
Turbo Dynamics
MSRP:
Now:
1,199.99$ USD
Was:
Turbo Dynamics Stage 6 power package
compatible 2017-2020+ 998 turbo snowmobiles (SRX ZR9000, Sidewinder, Thundercat)
Huge power increase. Make power at lower boost level, Insane throttle...

STM torsional Helix for STM torsion conversions
STM
MSRP:
Now:
129.99$ USD
Was:
STM torsional Helix for STM torsion conversions

DMC HD top gear fix (998 Turbo Sidewinder, Thundercat ZR9000) 2017-2023+
DMC
MSRP:
Now:
189.99$ USD
Was:
DMC top gear fix / upgrade (heavy duty) Sidewinder Thundercat zr9000 998 turbo 2017-2021+
This fixes the Top gear issue (more lubrication, more support, prevents issues with the driveshaft as...

TD Yamaha Sidewinder high performance clutch kit
Turbo Dynamics
MSRP:
Now:
124.80$ USD
Was:
New TD clutch kit made up of the latest Dalton components.
1- We have their new secondary springs that prevents coil bind and has a stiffer start rate to keep the belt at the top of the secondary...

STM Procross Torsional secondary conversion
STM
MSRP:
Now:
229.99$ USD
Was:
Product Description
2012-13 Arctic Cat Torsion spring cap option that is used with the STM billet helix's. Allows the use of the Arctic Cat torsion spring and has holes for spring load...

Multi map ECU TUNE REFLASH bundle for 2017 to 2023+ 998 turbo 200-350HP Ecotrail Powertrail, Max 17 Max Spool 17 - 19 - 20 and Race
Turbo Dynamics
MSRP:
Now:
599.99$ USD
Was:
Introducing the Multi ECU Reflash Bundle for TD Flasher or Dash Reflash, designed for your convenience in selecting and switching between tunes.
The Multimap bundle allows you to swap in between...

TD mod stock turbo (billet turbocharger compressor wheel upgrade for 1100 or 998 turbo sleds (60HP+ gain 430HP)
Turbo Dynamics
MSRP:
Now:
857.22$ USD
Was:
TD Mod stock quick spool billet turbocharger compressor upgrade for 1100 or 998 turbo sleds
(60HP+ gain 430HP)
This is the perfect upgrade those who want to upgrade their stock turbocharger...

Build your own Turbo Dynamics Sidewinder SRX performance tuning package
Turbo Dynamics
MSRP:
Now:
499.99$ USD
Was:
Build your own Turbo Dynamics Sidewinder SRX performance tuning package
Choose your TD tune, muffler, clutch weights, TD flasher option, cold air intake, antilag, fuel pump and much more...

TD/ Gap Big turbo 550HP capable bolt on turbo kit for 2017-2023+ 998 turbo sleds thundercat sidewinder zr9000
Turbo Dynamics
MSRP:
Now:
3,499.00$ USD
Was:
Special pricing is valid if you send in your good complete stock turbo in exchange. The 10% discount code does not add on over this special (price is rock bottom)
If you want to keep your stock...