Plug-and-play automatic reverse lights and a beeper for your ATV or UTV. No cutting. No splicing required.

SmartWire Plug-and-Play Lights
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RSI Billet Throttle Block with Momentary Push Button Kill Switch Ski-Doo Gen 4 & Gen 5 / Lynx RADIEN OEM Terminal Plug-and-Play Design
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RSI Billet Throttle Block with Momentary Push Button Kill Switch Ski-Doo Gen 4 & Gen 5 / Lynx RADIEN OEM Terminal Plug-and-Play Design

€184.07
  • USD: $199.95
  • CAD: CA$272.80
  • SEK: 2,113.00 Skr
  • NOK: Nkr2,099.85
  • GBP: £156.66
In Stock
SKU:TB-15
The RSI Billet Throttle Block with Momentary Push Button Kill Switch is a premium handlebar control upgrade for Ski-Doo Gen 4, Gen 5, and Lynx RADIEN snowmobiles. Featuring precision-machined billet aluminum construction, a black anodized finish, laser-etched RSI logo, and OEM terminal plug-and-play wiring connections, this throttle block delivers superior durability, clean styling, and simple installation with no cutting or splicing required.
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(1 Review)
POLARIS BILLET PUSH BUTTON KILL SWITCH , W / MOMENTARY NO TERMINALS BLACK ANODIZED
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POLARIS BILLET PUSH BUTTON KILL SWITCH , W / MOMENTARY NO TERMINALS BLACK ANODIZED

€174.87
  • USD: $189.95
  • CAD: CA$259.16
  • SEK: 2,007.32 Skr
  • NOK: Nkr1,994.84
  • GBP: £148.82
In Stock
SKU:TB-4
The RSI Billet Throttle Block with Momentary Push Button Kill Switch combines premium billet aluminum construction with a compact universal momentary kill switch for a clean custom handlebar setup. Finished in black anodizing with a laser-engraved RSI logo, this throttle block is designed for Polaris snowmobiles and is ideal for custom, performance, and race applications requiring a wired-in momentary kill switch.
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(3 Reviews)
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)

€64.40
  • USD: $69.95
  • CAD: CA$95.44
  • 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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(8 Reviews)
RSI Billet Aluminum Momentary Engine Kill Switch – Black
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RSI Billet Aluminum Momentary Engine Kill Switch – Black

€55.19
  • USD: $59.95
  • CAD: CA$81.79
  • SEK: 633.53 Skr
  • NOK: Nkr629.59
  • GBP: £46.97
In Stock
SKU:KS-1-BLACK
The RSI Billet Aluminum Momentary Engine Kill Switch is a premium CNC-machined, black anodized handlebar-mounted switch designed for 7/8-inch handlebars and two-wire ignition systems. Its spring-loaded push-and-hold operation prevents accidental engine shutdown while providing instant engine kill when needed. Compatible with most snowmobiles, ATVs, motorcycles, and custom applications, it includes waterproof heat-shrink epoxy connectors and is available with OEM plug-and-play connectors for select Polaris and Ski-Doo models
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(23 Reviews)
RSI Billet Aluminum Momentary Engine Kill Switch – Polaris MATRYX Trail Models
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RSI Billet Aluminum Momentary Engine Kill Switch – Polaris MATRYX Trail Models

€64.40
  • USD: $69.95
  • CAD: CA$95.44
  • SEK: 739.21 Skr
  • NOK: Nkr734.61
  • GBP: £54.80
In Stock
SKU:KS-P2-BLACK
The RSI Billet Aluminum Momentary Engine Kill Switch is designed specifically for Polaris MATRYX Trail 600, 650, 850, 9R, and Boost models. Precision CNC machined from billet aluminum with a durable black anodized finish, this spring-loaded momentary switch requires a simple push-and-hold to shut off the engine, preventing accidental shutdown while riding. It includes OEM terminal pins pre-crimped to the wiring for installation into your factory connector housing. No wire cutting or splicing is required, although the factory connector must be depinned and repinned during installation. Proudly made in the USA.
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(37 Reviews)
RSI Billet Aluminum Momentary Engine Kill Switch – Polaris RMK / AXYS / MATRYX (Plug & Play)
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RSI Billet Aluminum Momentary Engine Kill Switch – Polaris RMK / AXYS / MATRYX (Plug & Play)

€64.40
  • USD: $69.95
  • CAD: CA$95.44
  • SEK: 739.21 Skr
  • NOK: Nkr734.61
  • GBP: £54.80
In Stock
SKU:KS-P1-BLACK
The RSI Billet Aluminum Momentary Engine Kill Switch is a direct plug-and-play upgrade for 2019-current Polaris RMK 600, 650, 850, 9R, and Boost models, as well as 2015-current AXYS and 2013-2017 Pro-Ride sleds. Precision CNC machined from billet aluminum with a durable black anodized finish, this spring-loaded momentary switch requires a simple push-and-hold to shut off the engine, preventing accidental shutdown while riding. Complete with an OEM Polaris connector, installation is quick, clean, and requires no wiring modifications. Proudly made in the USA.
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(19 Reviews)
RSI Billet Aluminum Momentary Engine Kill Switch – Ski-Doo Gen 4, Gen 5 & Lynx Radien (2 stroke engines only)
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RSI Billet Aluminum Momentary Engine Kill Switch – Ski-Doo Gen 4, Gen 5 & Lynx Radien (2 stroke engines only)

€64.40
  • USD: $69.95
  • CAD: CA$95.44
  • SEK: 739.21 Skr
  • NOK: Nkr734.61
  • GBP: £54.80
In Stock
SKU:KS-S1-BLACK
The RSI Billet Aluminum Momentary Engine Kill Switch is designed specifically for Ski-Doo Gen 4, Gen 5, and Lynx Radien models. Precision CNC machined from billet aluminum with a durable black anodized finish, this spring-loaded momentary switch requires a simple push-and-hold to shut off the engine, preventing accidental shutdown while riding. It includes OEM terminal pins pre-crimped to the wiring for installation into your factory connector housing. No wire cutting or splicing is required, although the factory connector must be opened and the terminals repinned during installation.
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(107 Reviews)
RSI Billet Aluminum Momentary Engine Kill Switch – Ski-Doo XP, XM, XS & LYNX REV Platform
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RSI Billet Aluminum Momentary Engine Kill Switch – Ski-Doo XP, XM, XS & LYNX REV Platform

€64.40
  • USD: $69.95
  • CAD: CA$95.44
  • SEK: 739.21 Skr
  • NOK: Nkr734.61
  • GBP: £54.80
In Stock
SKU:KS-S-BLACK
The RSI Billet Aluminum Momentary Engine Kill Switch is a premium upgrade for Ski-Doo XP, XM, XS, REV, and compatible Lynx REV platform models. Precision CNC machined from billet aluminum and finished in durable black anodizing, this spring-loaded momentary switch requires you to press and hold to shut off the engine, helping prevent accidental shutdown while riding. It includes OEM terminal pins pre-crimped onto the wiring for a factory-style installation. Simply open the factory connector housing, transfer the pins into the original connector, and install—no wire cutting or splicing required.
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(7 Reviews)
RSI Billet Throttle Block with Momentary Push Button Kill Switch & OEM Connector Polaris MATRYX Indy 600 / 650 / 850 / 900R / Boost SmartWire Compatible
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RSI Billet Throttle Block with Momentary Push Button Kill Switch & OEM Connector Polaris MATRYX Indy 600 / 650 / 850 / 900R / Boost SmartWire Compatible

€184.07
  • USD: $199.95
  • CAD: CA$272.80
  • SEK: 2,113.00 Skr
  • NOK: Nkr2,099.85
  • GBP: £156.66
In Stock
SKU:TB-12
The RSI Billet Throttle Block with Momentary Push Button Kill Switch is designed specifically for Polaris MATRYX Indy 600, 650, 850, 900R, and Boost models equipped with the factory SmartWire system. Featuring billet aluminum construction, a black anodized finish, laser-etched RSI logo, integrated kill switch, and OEM SmartWire connectors, this throttle block delivers plug-and-play installation, premium durability, and a clean custom appearance.
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(9 Reviews)
SKI-DOO XP/XM/XS/LYNX (2-STROKE ENGINE ONLY) W/ MOMENTARY BILLET PUSH BUTTON KILL SWITCH, W/ OEM TERMINALS BLACK ANODIZED
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SKI-DOO XP/XM/XS/LYNX (2-STROKE ENGINE ONLY) W/ MOMENTARY BILLET PUSH BUTTON KILL SWITCH, W/ OEM TERMINALS BLACK ANODIZED

€174.87
  • USD: $189.95
  • CAD: CA$259.16
  • SEK: 2,007.32 Skr
  • NOK: Nkr1,994.84
  • GBP: £148.82
In Stock
SKU:TB-7
The RSI Billet Throttle Block with Momentary Push Button Kill Switch is a premium control upgrade for Ski-Doo XP, XM, XS, and Lynx 2-stroke snowmobiles. Featuring billet aluminum construction, black anodized finish, laser-engraved RSI logo, integrated kill switch, and OEM plug-and-play terminal connections, this throttle block delivers superior durability, clean styling, and quick installation with no wiring modifications required.
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(2 Reviews)
SKIDOO / LYNX REX XP/XM/XS/LYNX (2-STROKE ENGINE ONLY) W/ BILLET PUSH BUTTON KILL SWITCH, – UNIVERSAL NO TERMINALS BLACK ANODIZED
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SKIDOO / LYNX REX XP/XM/XS/LYNX (2-STROKE ENGINE ONLY) W/ BILLET PUSH BUTTON KILL SWITCH, – UNIVERSAL NO TERMINALS BLACK ANODIZED

€165.66
  • USD: $179.95
  • CAD: CA$245.52
  • SEK: 1,901.64 Skr
  • NOK: Nkr1,889.82
  • GBP: £140.99
In Stock
SKU:TB-8
The RSI Billet Throttle Block with Billet Push Button Kill Switch is a premium billet aluminum control upgrade for Ski-Doo XP, XM, XS, and Lynx 2-stroke snowmobiles. Featuring a black anodized finish, laser-engraved RSI logo, and integrated billet momentary kill switch, this universal-wired throttle block is ideal for custom, race, and performance applications requiring a clean handlebar layout and maximum durability.
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(0 Review)

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Straightline Performance Inc.

10317 Liberty LN
Chisago, MN 55013

Hours
Monday-Friday - 9am-5pm CST