Home RSI - RSI Racing

$199.95

CAD: CA$272.80
EUR: €184.07
SEK: 2,113.00 Skr
NOK: Nkr2,099.85
GBP: £156.66

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SKU:RSI-KIDS-T

The RSI Kids Handlebar Package gives young snowmobile passengers their own secure set of handlebars, allowing them to ride comfortably between the driver and the factory handlebars. The complete kit includes the handlebar, grips, mounting brackets, hardware, and installation instructions for most snowmobiles with a pivoting handlebar riser. Model-specific versions are also available for Polaris T-Post and Ski-Doo T-Post models, with optional RSI Kids Handlebar Heater Kits available separately to keep little hands warm on every ride.

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RSI Racing 7075 Aluminum Handlebar – 10° Pullback

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RSI Racing 7075 Aluminum Handlebar – 10° Pullback

$119.95

CAD: CA$163.65
EUR: €110.43
SEK: 1,267.59 Skr
NOK: Nkr1,259.70
GBP: £93.98

Available on backorder

SKU:AB-10-Black

The RSI Racing 7075 Aluminum 10° Pullback Handlebar is built for riders who demand maximum strength, precision control, and a straighter riding position. Manufactured from premium 7075-T6 aircraft-grade aluminum, this lightweight 7/8-inch handlebar features a 10-degree pullback that is ideal for drag racing, aggressive trail riding, and performance applications. The extra-wide design allows you to trim the handlebar to your preferred width for a completely custom fit. Stronger than conventional aluminum bars and engineered for serious riders, the RSI Racing 10° Pullback Handlebar delivers race-proven performance with legendary durability.

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RSI Chromoly 7/8″ Straight Handlebar – 10 DEGREE SWEEP

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RSI Chromoly 7/8″ Straight Handlebar – 10 DEGREE SWEEP

$79.95

CAD: CA$109.08
EUR: €73.60
SEK: 844.88 Skr
NOK: Nkr839.63
GBP: £62.64

Available on backorder

SKU:CB-10-BLK

RSI Race Bend Handlebar with Hooks – Black Anodized 1-1/8″ Center Clamp Area • 7/8″ Control Ends • 16° Sweep • 0″ Rise • 25.5″ Width

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RSI Race Bend Handlebar with Hooks – Black Anodized 1-1/8″ Center Clamp Area • 7/8″ Control Ends • 16° Sweep • 0″ Rise • 25.5″ Width

$129.95

CAD: CA$177.30
EUR: €119.63
SEK: 1,373.26 Skr
NOK: Nkr1,364.72
GBP: £101.81

In Stock

SKU:TB-R-BLK

The RSI Race Bend Handlebar features a high-strength tapered aluminum design with a 1-1/8" oversized center section, 7/8" control ends, 16-degree sweep, 0-inch rise, and 25.5-inch width. The unique race-inspired design incorporates a full 45-degree left-side hook and a subtle right-side performance hook for increased rider control and grip retention. Finished in black anodizing with laser-engraved RSI graphics and including an exclusive RSI black handlebar pad, this bar is built for aggressive riders who demand maximum performance.

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RSI Backcountry X-Wide Tapered Aluminum Handlebar – Black Anodized 1-1/8″ Center Clamp Area • 7/8″ Control Ends • 13° Sweep • 0″ Rise • 31.5″ Width

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RSI Backcountry X-Wide Tapered Aluminum Handlebar – Black Anodized 1-1/8″ Center Clamp Area • 7/8″ Control Ends • 13° Sweep • 0″ Rise • 31.5″ Width

$129.95

CAD: CA$177.30
EUR: €119.63
SEK: 1,373.26 Skr
NOK: Nkr1,364.72
GBP: £101.81

In Stock

SKU:TB-13-BLK

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POLARIS 650/850/900R/BOOST TETHER MOUNT FOR RMK STEERING STEM (For Large Factory Tether)

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POLARIS 650/850/900R/BOOST TETHER MOUNT FOR RMK STEERING STEM (For Large Factory Tether)

$19.95

CAD: CA$27.22
EUR: €18.37
SEK: 210.82 Skr
NOK: Nkr209.51
GBP: £15.63

In Stock

SKU:TC-P1-Mount

Upgrade your Polaris AXYS with our Powder-Coated Aluminum Mounting Plate, designed specifically for Polaris RMK models.

Key Features:

Premium Build: Made from high-quality aluminum with a powder-coated finish for long-lasting durability.
Perfect Fit: Tailored for the RMK steering stem, ensuring a snug and seamless installation.
Enhanced Functionality: Fully compatible with the updated Polaris Tether for improved safety and performance.
Compatibility: Fits Polaris 650, 850, 900R, and Boost models.

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Replacement Tether Cord Replacement Lanyard for Tether Switch Systems

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Replacement Tether Cord Replacement Lanyard for Tether Switch Systems

$9.95

CAD: CA$13.58
EUR: €9.16
SEK: 105.15 Skr
NOK: Nkr104.49
GBP: £7.80

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SKU:TC-CORD

RSI Billet Aluminum Momentary Reverse Button – Polaris AXYS PERC Reverse (2013–2017)

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RSI Billet Aluminum Momentary Reverse Button – Polaris AXYS PERC Reverse (2013–2017)

$69.95

CAD: CA$95.44
EUR: €64.40
SEK: 739.21 Skr
NOK: Nkr734.61
GBP: £54.80

In Stock

SKU:RS-P-BLACK

The RSI Billet Aluminum Momentary Reverse Button is a direct plug-and-play replacement for the factory reverse switch on 2013–2017 Polaris AXYS snowmobiles equipped with the PERC Reverse system. Precision CNC machined from billet aluminum and finished in durable black anodizing, it features a spring-loaded momentary push button for crisp, reliable reverse engagement. Complete with an OEM connector for quick installation, it requires no cutting, splicing, or rewiring and is proudly designed and manufactured in the USA. (Will not work on the 850)

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RSI Billet Aluminum Momentary Engine Kill Switch – Arctic Cat Catalyst (Plug & Play)

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RSI Billet Aluminum Momentary Engine Kill Switch – Arctic Cat Catalyst (Plug & Play)

$69.95

CAD: CA$95.44
EUR: €64.40
SEK: 739.21 Skr
NOK: Nkr734.61
GBP: £54.80

In Stock

SKU:KS-C-BLACK

The RSI Billet Aluminum Momentary Engine Kill Switch is a direct plug-and-play upgrade for Arctic Cat Catalyst snowmobiles. Precision CNC machined from billet aluminum and finished in durable black anodizing, this spring-loaded momentary switch requires a simple press-and-hold to shut off the engine, preventing accidental shutdown while riding. Complete with the OEM factory connector already installed, installation takes just minutes with no cutting, splicing, depinning, or rewiring required.

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Premium Handlebar Risers

Find the Perfect Handlebar Riser Height for Your Riding Style

RSI Dual Pivot Adjustable Handlebar Risers – Black Anodized

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RSI Dual Pivot Adjustable Handlebar Risers – Black Anodized

SKU:PR-10-B$89.95

CAD: CA$89.95
EUR: €89.95
SEK: 89.95 Skr
NOK: Nkr89.95
GBP: £89.95

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RSI Kids Plug & Play Handlebar Grip Heater Kit – Ski-Doo Gen 4, Gen 5 & Lynx Radien

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RSI Kids Plug & Play Handlebar Grip Heater Kit – Ski-Doo Gen 4, Gen 5 & Lynx Radien

$109.95

CAD: CA$150.01
EUR: €101.22
SEK: 1,161.91 Skr
NOK: Nkr1,154.68
GBP: £86.14

In Stock

SKU:RSI-KIDS-HG

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RSI Kids Universal Handlebar Heater Kit

$109.95

CAD: CA$150.01
EUR: €101.22
SEK: 1,161.91 Skr
NOK: Nkr1,154.68
GBP: £86.14

In Stock

SKU:RSI-KIDS-HEATER

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UNIVERSAL BILLET ALUMINUM LIT DUAL ROCKER SWITCH ON/OFF (7/8 MOUNTING) BLACK ANODIZED

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UNIVERSAL BILLET ALUMINUM LIT DUAL ROCKER SWITCH ON/OFF (7/8 MOUNTING) BLACK ANODIZED

$59.95

CAD: CA$81.79
EUR: €55.19
SEK: 633.53 Skr
NOK: Nkr629.59
GBP: £46.97

In Stock

SKU:SW-4

Upgrade your race machine with the Dual Rocker Switch and experience the control, reliability, and performance that champions demand. Designed specifically for high-performance applications, the Dual Rocker Switch is more than just a switch—it's the heartbeat of your machine's functionality and reliability on the track. Momentary Control: Provides reliable and consistent power to critical components. Water Pump Control: Ensures optimal cooling during intense races, maintaining peak performance. Ignition Systems: Precision control for consistent engine starts and efficient operation. Durability: Built to withstand vibrations, extreme temperatures, and high-impact environments. Ease of Use: Ergonomic design for quick operation during high-pressure moments. Compact Design: Slim and compact design that saves valuable space on your handlebars without compromising functionality. Miscellaneous Systems: Whether it's auxiliary lights, fans, or additional accessories, the Dual Rocker Switch delivers.

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Straightline Performance Polaris 850 Boost Complete Silicone Intake & Pressure Tube Kit

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Straightline Performance Polaris 850 Boost Complete Silicone Intake & Pressure Tube Kit

$199.95

CAD: CA$272.80
EUR: €184.07
SEK: 2,113.00 Skr
NOK: Nkr2,099.85
GBP: £156.66

In Stock

SKU:192-106

The Straightline Performance Polaris 850 Boost Complete Silicone Intake & Pressure Tube Kit replaces the restrictive factory intake and pressure tubes with premium reinforced silicone components for improved airflow, faster turbo response, and increased reliability. Featuring a larger high-flow intake tube that will not collapse under boost, a reinforced pressure tube, and heavy-duty clamps, this complete kit is an essential upgrade for both stock and tuned Polaris 850 Boost snowmobiles. Blow-off valve not included.

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SKI-DOO GEN-4&5 / LYNX RADIEN -RADIEN 2 WITH OEM TERMINALS /PR

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SKI-DOO GEN-4&5 / LYNX RADIEN -RADIEN 2 WITH OEM TERMINALS /PR

$89.95

CAD: CA$122.72
EUR: €82.81
SEK: 950.56 Skr
NOK: Nkr944.65
GBP: £70.47

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SKU:GH-20

POLARIS WITH OEM PLASTIC CONNECTOR / PR (DOES NOT WORK ON 650/850/900R MODELS)

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POLARIS WITH OEM PLASTIC CONNECTOR / PR (DOES NOT WORK ON 650/850/900R MODELS)

$89.95

CAD: CA$122.72
EUR: €82.81
SEK: 950.56 Skr
NOK: Nkr944.65
GBP: £70.47

In Stock

SKU:GH-4

POLARIS SMART WARMERS WITH OEM TERMINAL PINS / PR (NOT FOR HI-LOW SWITCHES)

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POLARIS SMART WARMERS WITH OEM TERMINAL PINS / PR (NOT FOR HI-LOW SWITCHES)

$89.95

CAD: CA$122.72
EUR: €82.81
SEK: 950.56 Skr
NOK: Nkr944.65
GBP: £70.47

In Stock

SKU:GH-27

SKI-DOO / LYNX 3-WIRE WITH OEM TERMINALS / PR (EXCEPT GEN 4/5)

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SKI-DOO / LYNX 3-WIRE WITH OEM TERMINALS / PR (EXCEPT GEN 4/5)

$89.95

CAD: CA$122.72
EUR: €82.81
SEK: 950.56 Skr
NOK: Nkr944.65
GBP: £70.47

In Stock

SKU:GH-11

POLARIS 600/650/850/900R/BOOST AXYS & MATRYX WITH OEM PLASTIC CONNECTOR / PR (HI-LOW SWITCHES)

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POLARIS 600/650/850/900R/BOOST AXYS & MATRYX WITH OEM PLASTIC CONNECTOR / PR (HI-LOW SWITCHES)

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Bar Pads

Real protection

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POLARIS AXYS/MATRYX RSI PHONE BAR PAD HEATER KIT ( PLUG AND PLAY)

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POLARIS AXYS/MATRYX RSI PHONE BAR PAD HEATER KIT ( PLUG AND PLAY)

SKU:BPL-PHONE-HP$69.95

CAD: CA$95.44
EUR: €64.40
SEK: 739.21 Skr
NOK: Nkr734.61
GBP: £54.80

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RSI ROUND BAR PAD

SKU:BPR-W$24.95

CAD: CA$24.95
EUR: €24.95
SEK: 24.95 Skr
NOK: Nkr24.95
GBP: £24.95

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RSI Small Handlebar Pad

SKU:BPS-BLACK$29.95

CAD: CA$29.95
EUR: €29.95
SEK: 29.95 Skr
NOK: Nkr29.95
GBP: £29.95

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Your Ride - Your Style

RSI Small Handlebar Pad

SKU:BPS-BLACK$29.95

CAD: CA$29.95
EUR: €29.95
SEK: 29.95 Skr
NOK: Nkr29.95
GBP: £29.95

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Arctic Cat F8/F1000 Nitrous Kit

$674.95

CAD: CA$920.87
EUR: €621.36
SEK: 7,132.62 Skr
NOK: Nkr7,088.26
GBP: £528.81

In Stock

SKU:161-101

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Yamaha Nytro Nitrous Kit

$674.95

CAD: CA$920.87
EUR: €621.36
SEK: 7,132.62 Skr
NOK: Nkr7,088.26
GBP: £528.81

In Stock

SKU:164-101

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9V Battery Connector

$2.95

CAD: CA$4.02
EUR: €2.72
SEK: 31.17 Skr
NOK: Nkr30.98
GBP: £2.31

In Stock

SKU:NP-115

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Yamaha Apex/Attack Nitrous Kit

$674.95

CAD: CA$920.87
EUR: €621.36
SEK: 7,132.62 Skr
NOK: Nkr7,088.26
GBP: £528.81

In Stock

SKU:164-100

Polaris 600 Rush/Switchback/RMK Nitrous Kit (pro ride chassis)

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Polaris 600 Rush/Switchback/RMK Nitrous Kit (pro ride chassis)

$674.95

CAD: CA$920.87
EUR: €621.36
SEK: 7,132.62 Skr
NOK: Nkr7,088.26
GBP: £528.81

In Stock

SKU:162-103

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10-32X 1/8 Barb Fuel Fitting

$2.95

CAD: CA$4.02
EUR: €2.72
SEK: 31.17 Skr
NOK: Nkr30.98
GBP: £2.31

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SKU:NP-121

Arctic Cat M1000/Crossfire 1000 Nitrous Kit

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Arctic Cat M1000/Crossfire 1000 Nitrous Kit

$674.95

CAD: CA$920.87
EUR: €621.36
SEK: 7,132.62 Skr
NOK: Nkr7,088.26
GBP: £528.81

In Stock

SKU:161-105

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Ski-doo 1200 4-TEC Nitrous Kit

$649.95

CAD: CA$886.77
EUR: €598.34
SEK: 6,868.43 Skr
NOK: Nkr6,825.71
GBP: £509.22

In Stock

SKU:163-109

Handguards & Mounts

Extra protection for hard trails.

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HAYES BRAKE MOUNTING KIT – SEE FITMENT GUIDE

SKU:H4454$59.95

CAD: CA$81.79
EUR: €55.19
SEK: 633.53 Skr
NOK: Nkr629.59
GBP: £46.97

Hayes Brake Specific Snowmobile Handguard mounts for Stonewall Handguards. * does not work on 2020 Hayes Stealth Brake

RSI Stonewall Hand Guards with Built-In 6000 Lumen LED Lights

SKU:H5001$149.95

CAD: CA$204.59
EUR: €138.04
SEK: 1,584.62 Skr
NOK: Nkr1,574.76
GBP: £117.48

Upgrade your ride with ultra-bright LED handguards that combine sleek style and functionality. Designed for all conditions, these handguards offer:

RSI “STONEWALL” HANDGAURDS FLEXIBLE, ALL WEATHER HANDGUARDS

SKU:H5000$69.95

CAD: CA$95.44
EUR: €64.40
SEK: 739.21 Skr
NOK: Nkr734.61
GBP: £54.80

Ultra-durable, flexible, and weather-resistant handguards that expand coverage for maximum protection in extreme riding conditions. Designed to move

Handguards

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RSI “STONEWALL” HANDGAURDS FLEXIBLE, ALL WEATHER HANDGUARDS

SKU:H5000$69.95

CAD: CA$95.44
EUR: €64.40
SEK: 739.21 Skr
NOK: Nkr734.61
GBP: £54.80

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SKI-DOO GEN 4 & 5 / LYNX RADIEN PLUG AND PLAY POWER ADAPTOR/SPLITTER FOR LED HANDGUARDS

SKU:H4458$59.95

CAD: CA$81.79
EUR: €55.19
SEK: 633.53 Skr
NOK: Nkr629.59
GBP: £46.97

2017 Ski-Doo Gen 4/ Lynx Radien, Accessory Power adaptor for LED Handguards

UNIVERSIAL SNOWMOBILE HANDGAURD MOUNT – SEE FITMENT GUIDE

SKU:H4450$59.95

CAD: CA$81.79
EUR: €55.19
SEK: 633.53 Skr
NOK: Nkr629.59
GBP: £46.97

Snowmobile specific Handguard mounts for Stonewall Handguards

RSI Stonewall Hand Guards with Built-In 6000 Lumen LED Lights

SKU:H5001$149.95

CAD: CA$204.59
EUR: €138.04
SEK: 1,584.62 Skr
NOK: Nkr1,574.76
GBP: £117.48

Upgrade your ride with ultra-bright LED handguards that combine sleek style and functionality. Designed for all conditions, these handguards offer:

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Universal Tether Switch (Normally Open)

$29.95

CAD: CA$40.86
EUR: €27.57
SEK: 316.50 Skr
NOK: Nkr314.53
GBP: £23.47

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SKU:TC-UO-Cord

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UNIVERSAL TETHER (NORMALLY CLOSED)

$29.95

CAD: CA$40.86
EUR: €27.57
SEK: 316.50 Skr
NOK: Nkr314.53
GBP: £23.47

In Stock

SKU:TC-UC-Cord

Polaris Complete Tether Cord & Mount Kit (Plug & Play)

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Polaris Complete Tether Cord & Mount Kit (Plug & Play)

$54.95

CAD: CA$74.97
EUR: €50.59
SEK: 580.69 Skr
NOK: Nkr577.08
GBP: £43.05

In Stock

SKU:TC-P-KIT

Polaris AXYS & MATRYX Plug-and-Play Tether Cord Kit Complete Plug-and-Play Safety Tether System

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Polaris AXYS & MATRYX Plug-and-Play Tether Cord Kit Complete Plug-and-Play Safety Tether System

$44.95

CAD: CA$61.33
EUR: €41.38
SEK: 475.01 Skr
NOK: Nkr472.06
GBP: £35.22

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SKU:TC-P-CORD

POLARIS 650/850/900R/BOOST TETHER MOUNT FOR RMK STEERING STEM

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POLARIS 650/850/900R/BOOST TETHER MOUNT FOR RMK STEERING STEM

$19.95

CAD: CA$27.22
EUR: €18.37
SEK: 210.82 Skr
NOK: Nkr209.51
GBP: £15.63

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SKU:TC-P-MOUNT

Arctic Cat Catalyst MTN 858 Off Trail Boondocking Clutch Kit (0-3000ft)

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Arctic Cat Catalyst MTN 858 Off Trail Boondocking 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

SKU:124-177

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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Arctic Cat Catalyst 600 Trail Performance Clutch Kit (0–3000 ft)

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Arctic Cat Catalyst 600 Trail Performance Clutch Kit (0–3000 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:124-173

Whether you're riding across groomed trails or carving through fresh snow, this clutch kit offers the edge you need for superior throttle response and long-lasting reliability. Key Features & Benefits:

Extended Belt Life: Improved component interaction reduces wear and increases belt longevity under high-performance riding conditions.
+4 HP to the Track: Experience a substantial horsepower boost that translates to real power you can feel on the snow.
Enhanced Belt Grab: Ensures quicker acceleration and reduced lag, getting you to top performance levels sooner.
+10 HP at Peak Acceleration over Stock Clutching: Dominate the competition with this clutch kit that maximizes peak power generated by the engine.

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Arctic Cat Catalyst 600 Mountain Performance Clutch Kit (6000+ ft)

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Arctic Cat Catalyst 600 Mountain Performance Clutch Kit (6000+ ft)

$499.95

CAD: CA$682.11
EUR: €460.25
SEK: 5,283.29 Skr
NOK: Nkr5,250.42
GBP: £391.70

Available on backorder

SKU:124-174

The Straightline Performance Arctic Cat Catalyst 600 Mountain Clutch Kit is engineered specifically for elevations above 6,000 feet. Featuring specially designed Arctic Cat adjustable billet weights, a custom mountain helix, and matched primary and secondary springs, this fully tunable clutch package improves track speed, increases top-end MPH, enhances throttle response, and delivers aggressive backshift performance for maximum mountain riding capability. Developed through extensive testing and built for serious mountain riders, this kit helps your Catalyst 600 maintain peak performance in demanding high-elevation conditions.

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Polaris 550 Fan/EVO Complete Trail Performance Trail Clutch Kit 0-3000ft

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Polaris 550 Fan/EVO Complete Trail Performance Trail 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:123-175

Experience unmatched tunability and trail performance with Straightline Performance’s industry-leading clutch kit — engineered specifically for your Polaris 550 fan. This is the most precise and easily adjustable kit available on the market today Benefits:

3HP peak to the track
5HP peak under the curve to the track
Superior throttle response and control
Broader powerband by optimizing the usable RPM Range
Faster acceleration and improved top-end speed
Effortless back shifting for aggressive trail riding
Quick and precise tuning for various riding conditions

Take full control of your Polaris EVO/Trail 550 Fan’s performance — with a clutch kit designed for riders who demand precision and power.

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2025- Current Polaris 900R 129-146″ Track Complete Trail Performance Clutch Kit 0-3000ft (72g Base Weight – 98g Adjusted Weight)

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2025- Current Polaris 900R 129-146″ Track Complete Trail Performance Clutch Kit 0-3000ft (72g Base Weight – 98g Adjusted Weight)

$499.95

CAD: CA$682.11
EUR: €460.25
SEK: 5,283.29 Skr
NOK: Nkr5,250.42
GBP: £391.70

In Stock

SKU:123-174

Unleash Maximum Performance with this complete trail performance Clutch Kit for your Polaris 900R!

Key Features:

Advanced Weight Tuning System
Includes Straightline’s premier adjustable weight tuning kit featuring set screws and washers for granular fine-tuning. Achieve precise calibration without guesswork.
Ready-to-Ride Baseline Setup
Each kit arrives with a meticulously engineered baseline configuration that delivers exceptional performance right out of the box — with minimal need for adjustment.
Trail-Optimized Performance Gains
The trail version delivers significant improvements in acceleration, top speed (MPH), and backshift response — giving you a smoother, more responsive ride in all conditions.
Complete Clutch System Included
Each kit comes fully equipped with adjustable clutch weights, a custom helix, primary spring, and secondary spring — everything you need for a complete performance upgrade.

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Ski-Doo MXZ X-RS Comp/Backcountry 850 Turbo R Performance Trail Clutch Kit 0-3000ft

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Ski-Doo MXZ X-RS Comp/Backcountry 850 Turbo R Performance Trail 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:121-264

This Performance Trail Clutch Kit is designed for riders operating between 0-3000 feet. Engineered specifically for the 850 Turbo R engine, this clutch kit maximizes acceleration, throttle response, and top-end speed, giving you an edge on high-performance trails.

Maximized Acceleration: Achieve quicker throttle response for faster launches.
Enhanced Power Transfer: Optimized for smoother and more efficient power delivery.
Improved Top-End Speed: Gain the advantage on high-performance trails.
Reduced Belt Wear: Precision-tuned components minimize belt strain, enhancing longevity.
Built for Durability: Designed to withstand reliability on any terrain.
Accepts the Straightline Performance Tunes.

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Straightline Performance Arctic Cat Thundercat 9000 & Yamaha Sidewinder / SRX 998 Performance Header (2017–Current)

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Straightline Performance Arctic Cat Thundercat 9000 & Yamaha Sidewinder / SRX 998 Performance Header (2017–Current)

$799.95

CAD: CA$1,091.42
EUR: €736.43
SEK: 8,453.58 Skr
NOK: Nkr8,400.99
GBP: £626.74

Out of stock

SKU:133-107

The Straightline Performance Performance Header for 2017-current Arctic Cat Thundercat 9000 and Yamaha Sidewinder/SRX 998 Turbo delivers a proven 15 horsepower gain, increased torque, and dramatically faster turbo spool. Manufactured from premium stainless steel, this direct bolt-on header retains all factory heat shields for excellent heat management and OEM-style fit. It works exceptionally well with aftermarket ECU tunes, intake systems, clutch kits, and other performance upgrades, making it one of the best foundation modifications for any 998 turbo engine.

Straightline Performance Harley-Davidson® V-Twin Complete Nitrous Kit

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Straightline Performance Harley-Davidson® V-Twin Complete Nitrous Kit

$674.95

CAD: CA$920.87
EUR: €621.36
SEK: 7,132.62 Skr
NOK: Nkr7,088.26
GBP: £528.81

In Stock

SKU:258-106

The Straightline Performance Harley-Davidson® V-Twin Complete Nitrous Kit is a complete plug-and-play performance system that delivers an instant 40 horsepower gain while running safely on 91-octane pump gas. Featuring the patented Controlled Holtzman Nitrous Nozzle, this advanced system provides consistent horsepower regardless of bottle pressure, eliminating the need for bottle heaters, CO₂ pressure systems, or constant pressure management. Designed for clean installation on most Harley-Davidson® touring models and V-Twins, the bottle mounts discreetly inside the rear saddlebag and can be activated using the included momentary button or the factory horn button with an optional bypass switch. It's the easiest, most reliable way to unleash instant V-Twin performance.

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Yamaha Phazer Nitrous Kit

$674.95

CAD: CA$920.87
EUR: €621.36
SEK: 7,132.62 Skr
NOK: Nkr7,088.26
GBP: £528.81

In Stock

SKU:164-102

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.016 Orifice Fuel Jet

$14.95

CAD: CA$20.40
EUR: €13.76
SEK: 157.99 Skr
NOK: Nkr157.00
GBP: £11.71

In Stock

SKU:NP-134

Straightline Performance Arctic Cat 858 Complete Nitrous Kit

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Straightline Performance Arctic Cat 858 Complete Nitrous Kit

$674.95

CAD: CA$920.87
EUR: €621.36
SEK: 7,132.62 Skr
NOK: Nkr7,088.26
GBP: £528.81

In Stock

SKU:161-110

Transform your Arctic Cat 858 into a 200+ horsepower machine with the Straightline Performance Complete Nitrous Kit. Designed exclusively for the 858 platform, this complete bolt-on system delivers an instant 35 horsepower increase while operating on 91-octane pump gas. Engineered for maximum reliability and easy installation, the kit includes everything needed for installation and pairs perfectly with the Straightline Performance Quiet Lightweight Muffler, which is required for proper exhaust flow and peak performance. If you're looking for the biggest horsepower-per-dollar upgrade available for your Arctic Cat 858, this is it.

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