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Arctic Cat Catalyst 858 Trail Performance Clutch Kit (0-3000ft)
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Arctic Cat Catalyst 858 Trail Performance Clutch Kit (0-3000ft)

$499.95
  • CAD: CA$682.11
  • EUR: €460.25
  • SEK: 5,283.29 Skr
  • NOK: Nkr5,250.42
  • GBP: £391.70
In Stock
SKU:124-175
Unleash the full potential of your Arctic Cat Catalyst 858 with our Trail Performance Clutch Kit, optimized for trail riding at 0–3000 ft. Key Features:
  • Precision Weight Adjustment- Fine-tune your RPMs for optimal power delivery with easily adjustable clutch weights. This allows for custom calibration based on your riding style and elevation needs.
  • New ADAPT Machined Billet Weights- Our clutch weights are built from high-grade billet material. These weights offer unmatched durability, heat resistance, and smooth operation, ensuring long-term reliability on any terrain.
  • Custom Helix Designed for the 858- A proprietary helix built to our specific angle specs; this component is tailored to match the power characteristics of the Catalyst 858 for ideal shift response and backshift performance.
  • Spring Tuning- Designed with 2 clutch springs to ensure responsive engagement and consistent backshift, helping your sled stay in the powerband throughout the RPM range. Also offered with a lifetime warranty to replace when needed.
  • Trail-Tested Calibration- Developed and refined through rigorous real-world testing, our calibration ensures peak performance in trail-specific conditions without sacrificing reliability.
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(2 Reviews)
Polaris 9R RMK Complete Clutch Kit 0-3000ft Boondocking Clutch Kit
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Polaris 9R RMK Complete Clutch Kit 0-3000ft Boondocking Clutch Kit

$499.95
  • CAD: CA$682.11
  • EUR: €460.25
  • SEK: 5,283.29 Skr
  • NOK: Nkr5,250.42
  • GBP: £391.70
In Stock
SKU:123-166
The Straightline Performance Polaris 9R RMK Low Elevation Boondocking Clutch Kit is engineered specifically for riders who demand maximum performance in deep snow and technical terrain. Featuring Straightline's premium adjustable P22 weight kit, custom-machined helix, and two performance-calibrated springs, this package delivers stronger acceleration, improved throttle response, quicker backshift, and exceptional control for low-elevation mountain riding and boondocking applications.
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(5 Reviews)
Polaris RMK/SKS/Assault 850 Clutch Kit with Adjustable Weights | 6,000+ ft | For Straightline Performance Single Pipe
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Polaris RMK/SKS/Assault 850 Clutch Kit with Adjustable Weights | 6,000+ ft | For Straightline Performance Single Pipe

$499.95
  • CAD: CA$682.11
  • EUR: €460.25
  • SEK: 5,283.29 Skr
  • NOK: Nkr5,250.42
  • GBP: £391.70
In Stock
SKU:123-158

The Straightline Performance Polaris RMK, SKS, and Assault 850 Mountain Clutch Kit is specifically calibrated for machines equipped with a Straightline Performance Single Pipe exhaust system and operated at elevations above 6,000 feet. Featuring Straightline's fully adjustable weight system, custom-designed mountain helix, and two performance-calibrated clutch springs, this package delivers stronger acceleration, quicker throttle response, improved backshift, and maximum deep snow performance.

Note: Straightline Performance Single Pipe exhaust system is not included and must be purchased separately.

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(6 Reviews)
Polaris RMK/SKS/Assault 850 Clutch kit with adjustable weights 0-3000ft with Straightline Performance Single Pipe
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Polaris RMK/SKS/Assault 850 Clutch kit with adjustable weights 0-3000ft with Straightline Performance Single Pipe

$449.95
  • CAD: CA$613.89
  • EUR: €414.22
  • SEK: 4,754.91 Skr
  • NOK: Nkr4,725.33
  • GBP: £352.53
In Stock
SKU:123-156

The Straightline Performance Polaris RMK, SKS, and Assault 850 Single Pipe Boondocking Clutch Kit is specifically calibrated for machines equipped with a Straightline Performance Single Pipe exhaust system and operated between sea level and 3,000 feet elevation. Featuring Straightline's fully adjustable weight system, custom-designed low-elevation helix, and two performance-calibrated clutch springs, this package delivers stronger acceleration, improved throttle response, faster backshift, and exceptional deep snow performance.

Note: Straightline Performance Single Pipe exhaust system sold separately.

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(0 Review)
Straightline Performance Polaris 650 Patriot Trail Performance Clutch Kit | 129″-146″ Track | 0-3,000 ft
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Straightline Performance Polaris 650 Patriot Trail Performance Clutch Kit | 129″-146″ Track | 0-3,000 ft

$499.95
  • CAD: CA$682.11
  • EUR: €460.25
  • SEK: 5,283.29 Skr
  • NOK: Nkr5,250.42
  • GBP: £391.70
In Stock
SKU:123-153
The Straightline Performance Polaris 650 Patriot Trail Performance Clutch Kit is engineered specifically for 129"-146" track models operating from sea level to 3,000 feet elevation. Featuring Straightline's fully adjustable weight kit, custom-designed helix, and performance-calibrated clutch springs, this complete package delivers improved acceleration, stronger throttle response, quicker backshift, and enhanced trail performance.
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(21 Reviews)
Straightline Performance Polaris 850 Patriot Trail Performance Clutch Kit | 129-146″ Track | 0-3,000 ft (Straightline and stock exhaust)
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Straightline Performance Polaris 850 Patriot Trail Performance Clutch Kit | 129-146″ Track | 0-3,000 ft (Straightline and stock exhaust)

$499.95
  • CAD: CA$682.11
  • EUR: €460.25
  • SEK: 5,283.29 Skr
  • NOK: Nkr5,250.42
  • GBP: £391.70
In Stock
SKU:123-154
The Straightline Performance Polaris 850 Patriot Trail Performance Clutch Kit is engineered specifically for 129-inch to 146-inch track models operating from sea level to 3,000 feet elevation. Designed to work with both stock exhaust and Straightline Performance exhaust systems, this complete package includes Straightline's fully adjustable weight kit, custom-designed helix, and performance-calibrated clutch springs for improved acceleration, throttle response, backshift, and overall trail performance.
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(20 Reviews)
Straightline Performance Polaris 9R RMK High Elevation Mountain Clutch Kit | 6,000+ ft
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Straightline Performance Polaris 9R RMK High Elevation Mountain Clutch Kit | 6,000+ ft

$499.95
  • CAD: CA$682.11
  • EUR: €460.25
  • SEK: 5,283.29 Skr
  • NOK: Nkr5,250.42
  • GBP: £391.70
In Stock
SKU:123-165
The Straightline Performance Polaris 9R RMK High Elevation Mountain Clutch Kit is engineered specifically for riders operating above 6,000 feet elevation. Featuring premium adjustable P22 weights, a custom-machined mountain helix, and two performance-calibrated clutch springs, this complete package delivers stronger acceleration, quicker throttle response, improved backshift, and optimized clutch performance for deep snow and mountain riding conditions.
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(3 Reviews)
Straightline Performance Polaris Matryx RMK Boost Low Elevation Boondocking Clutch Kit | 0-3,000 ft
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Straightline Performance Polaris Matryx RMK Boost Low Elevation Boondocking Clutch Kit | 0-3,000 ft

$499.95
  • CAD: CA$682.11
  • EUR: €460.25
  • SEK: 5,283.29 Skr
  • NOK: Nkr5,250.42
  • GBP: £391.70
In Stock
SKU:123-161
The Straightline Performance Polaris Matryx RMK Boost Low Elevation Boondocking Clutch Kit is engineered specifically for riders operating between sea level and 3,000 feet elevation. Featuring premium adjustable P22 clutch weights, a custom-machined low-elevation helix, and two performance-calibrated clutch springs, this complete package delivers stronger acceleration, improved throttle response, quicker backshift, and exceptional deep snow performance for technical boondocking and backcountry riding.
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Straightline Performance Polaris RMK / SKS / Assault 850 Mountain Clutch Kit | 6000ft + (for factory single pipe only)
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Straightline Performance Polaris RMK / SKS / Assault 850 Mountain Clutch Kit | 6000ft + (for factory single pipe only)

$499.95
  • CAD: CA$682.11
  • EUR: €460.25
  • SEK: 5,283.29 Skr
  • NOK: Nkr5,250.42
  • GBP: £391.70
In Stock
SKU:123-157
The Straightline Performance Polaris RMK, SKS, and Assault 850 Mountain Clutch Kit is specifically calibrated for machines equipped with the factory Polaris single pipe exhaust system and operated at elevations above 6,000 feet. Featuring Straightline's fully adjustable weight system, custom-designed mountain helix, and two performance-calibrated clutch springs, this package delivers stronger acceleration, improved throttle response, faster backshift, and superior deep snow performance.
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(17 Reviews)
Straightline Performance Polaris RMK / SKS / Assault 850 Single Pipe Boondocking Clutch Kit | 0-3,000 ft with Straightline Performance Single Pipe
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Straightline Performance Polaris RMK / SKS / Assault 850 Single Pipe Boondocking Clutch Kit | 0-3,000 ft with Straightline Performance Single Pipe

$499.95
  • CAD: CA$682.11
  • EUR: €460.25
  • SEK: 5,283.29 Skr
  • NOK: Nkr5,250.42
  • GBP: £391.70
In Stock
SKU:123-159
The Straightline Performance Polaris RMK, SKS, and Assault 850 Single Pipe Calibration Clutch Kit is engineered specifically for machines equipped with a Straightline Performance Single Pipe exhaust system and operating between sea level and 3,000 feet elevation. Featuring Straightline's fully adjustable weight kit, two custom-calibrated clutch springs, and a custom-designed helix, this package delivers stronger acceleration, improved throttle response, faster backshift, and exceptional deep snow performance. Note: Straightline Performance Single Pipe sold separately.
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(9 Reviews)
Straightline Performance Polaris RMK / SKS / Assault 850 Single Pipe Mountain Clutch Kit | 6,000+ ft with Straightline Performance Single Pipe
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Straightline Performance Polaris RMK / SKS / Assault 850 Single Pipe Mountain Clutch Kit | 6,000+ ft with Straightline Performance Single Pipe

$449.95
  • CAD: CA$613.89
  • EUR: €414.22
  • SEK: 4,754.91 Skr
  • NOK: Nkr4,725.33
  • GBP: £352.53
In Stock
SKU:123-155

The Straightline Performance Polaris RMK, SKS, and Assault 850 Single Pipe Mountain Clutch Kit is specifically calibrated for machines equipped with a Straightline Performance Single Pipe exhaust system and operated above 6,000 feet elevation. Featuring Straightline's fully adjustable weight system, custom-designed mountain helix, and two performance-calibrated clutch springs, this package delivers stronger acceleration, improved throttle response, faster backshift, and exceptional deep snow performance.

Note: Straightline Performance Single Pipe exhaust system sold separately.

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(1 Review)
Straightline Performance Ski-Doo & Lynx 600R E-TEC Backcountry Clutch Kit | Gen 4, Gen 5 & Radien | 146-175″ Track | 0-3,000 ft
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Straightline Performance Ski-Doo & Lynx 600R E-TEC Backcountry Clutch Kit | Gen 4, Gen 5 & Radien | 146-175″ Track | 0-3,000 ft

$499.95
  • CAD: CA$682.11
  • EUR: €460.25
  • SEK: 5,283.29 Skr
  • NOK: Nkr5,250.42
  • GBP: £391.70
In Stock
SKU:121-251
The Straightline Performance 600R E-TEC Backcountry Clutch Kit is designed specifically for Ski-Doo Gen 4, Gen 5, and Lynx Radien platforms equipped with 146-175 inch tracks and operated from sea level to 3,000 feet elevation. Featuring Straightline's proven adjustable P-Drive weight kit, a custom-developed helix, and two performance-calibrated clutch springs, this package delivers improved throttle response, quicker acceleration, stronger backshift, and exceptional control for off-trail, boondocking, and backcountry riding.
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(4 Reviews)
Straightline Performance Polaris 850 Matryx Trail Boost Clutch Kit
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Straightline Performance Polaris 850 Matryx Trail Boost Clutch Kit

$499.95
  • CAD: CA$682.11
  • EUR: €460.25
  • SEK: 5,283.29 Skr
  • NOK: Nkr5,250.42
  • GBP: £391.70
In Stock
SKU:123-170
The Straightline Performance Polaris 850 Matryx Trail Boost Clutch Kit is engineered to deliver maximum trail performance from your turbocharged Polaris. Featuring premium adjustable billet P22 weights, a custom-machined performance helix, and two carefully calibrated clutch springs, this complete package improves acceleration, throttle response, backshift, RPM control, and overall clutch efficiency for aggressive trail riding.
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(9 Reviews)
Straightline Performance Polaris Matryx RMK Boost High Elevation Mountain Clutch Kit | 6,000+ ft
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Straightline Performance Polaris Matryx RMK Boost High Elevation Mountain Clutch Kit | 6,000+ ft

$499.95
  • CAD: CA$682.11
  • EUR: €460.25
  • SEK: 5,283.29 Skr
  • NOK: Nkr5,250.42
  • GBP: £391.70
In Stock
SKU:123-162
The most tunable and precise kit on the market for your Polaris Boost. Comes complete with Straightline's premier weight tuning kit that uses set screws and washers for a more precise tuning.  The kits comes complete with a very precise baseline that rarely needs to be changed.
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(6 Reviews)
Straightline Performance Polaris RMK / SKS / Assault 850 Low Elevation Boondocking Clutch Kit | 0-3,000 ft | Stock Exhaust
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Straightline Performance Polaris RMK / SKS / Assault 850 Low Elevation Boondocking Clutch Kit | 0-3,000 ft | Stock Exhaust

$499.95
  • CAD: CA$682.11
  • EUR: €460.25
  • SEK: 5,283.29 Skr
  • NOK: Nkr5,250.42
  • GBP: £391.70
In Stock
SKU:123-160
The Straightline Performance Polaris RMK, SKS, and Assault 850 Low Elevation Boondocking Clutch Kit is engineered specifically for stock exhaust machines operating between sea level and 3,000 feet elevation. Featuring Straightline's proven fully adjustable weight kit, two custom-calibrated clutch springs, and a custom-designed helix, this complete package delivers stronger acceleration, improved throttle response, quicker backshift, and superior deep snow performance for technical backcountry riding.
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(11 Reviews)

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Straightline Performance Inc.

10317 Liberty LN
Chisago, MN 55013

Hours
Monday-Friday - 9am-5pm CST