{"product_id":"straightline-129-137-track-complete-trail-performance-kit-0-3000ft-straightline-and-stock-exhaust","title":"Straightline 129-137\" Track Complete Trail Performance Kit 0-3000ft (Straightline and stock exhaust)","description":"\u003cbr\u003e The most tunable and precise kit on the market for your Polaris.\u003cbr\u003e\u003cbr\u003eComes complete with Straightline's premier weight tuning kit that uses either magnets, or complete nut and washers for a more precise tuning. The kits come complete with a very precise baseline that rarely needs to be changed.\u003cbr\u003e\u003cbr\u003eTrail version kits drastically improve acceleration, MPH, and backshift.\u003cbr\u003e\u003cbr\u003eThe off trail kits are designed for the backcountry low elevation rider. These kits are a huge gain as they are precisely designed for this application improving the entire all around riding experience of throttle response and backshift.\u003cbr\u003e\u003cbr\u003eMountain specific kits are designed to hold a perfect rpm while climbing, improved track speed, and instant backshift for instant response power to the track.\u003cbr\u003e\u003cbr\u003eKits come complete with clutch weight kit, custom helix, primary spring, and secondary spring.\u003cp\u003e\u003cstrong\u003eBrand: \u003c\/strong\u003eStraightline\u003cbr\u003e\u003cstrong\u003ePart Number: \u003c\/strong\u003e123-154\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e2021 Polaris Indy 850 Adventure 137in AXYS\u003c\/li\u003e\n\u003cli\u003e2021-2026 Polaris Indy 850 Adventure 137in MATRYX\u003c\/li\u003e\n\u003cli\u003e2021 Polaris Indy 850 VR1 129in AXYS\u003c\/li\u003e\n\u003cli\u003e2021-2026 Polaris Indy 850 VR1 129in MATRYX\u003c\/li\u003e\n\u003cli\u003e2021 Polaris Indy 850 VR1 137in AXYS\u003c\/li\u003e\n\u003cli\u003e2021-2026 Polaris Indy 850 VR1 137in MATRYX\u003c\/li\u003e\n\u003cli\u003e2021 Polaris Indy 850 VR1 Dynamix 137in AXYS\u003c\/li\u003e\n\u003cli\u003e2021-2026 Polaris Indy 850 VR1 Dynamix 137in MATRYX\u003c\/li\u003e\n\u003cli\u003e2021 Polaris Indy 850 XC 129in AXYS\u003c\/li\u003e\n\u003cli\u003e2021-2026 Polaris Indy 850 XC 129in MATRYX\u003c\/li\u003e\n\u003cli\u003e2021 Polaris Indy 850 XC 137in AXYS\u003c\/li\u003e\n\u003cli\u003e2021-2026 Polaris Indy 850 XC 137in MATRYX\u003c\/li\u003e\n\u003cli\u003e2021 Polaris Indy 850 XC Launch Edition 129in AXYS\u003c\/li\u003e\n\u003cli\u003e2021-2026 Polaris Indy 850 XC Launch Edition 129in MATRYX\u003c\/li\u003e\n\u003cli\u003e2021 Polaris Indy 850 XC Launch Edition 137in AXYS\u003c\/li\u003e\n\u003cli\u003e2021-2026 Polaris Indy 850 XC Launch Edition 137in MATRYX\u003c\/li\u003e\n\u003cli\u003e2021 Polaris Indy 850 XCR AXYS\u003c\/li\u003e\n\u003cli\u003e2021-2026 Polaris Indy 850 XCR MATRYX\u003c\/li\u003e\n\u003cli\u003e2021 Polaris Indy 850 XCR 128in AXYS\u003c\/li\u003e\n\u003cli\u003e2021-2026 Polaris Indy 850 XCR 128in MATRYX\u003c\/li\u003e\n\u003cli\u003e2021 Polaris Indy 850 XCR 136in AXYS\u003c\/li\u003e\n\u003cli\u003e2021-2026 Polaris Indy 850 XCR 136in MATRYX\u003c\/li\u003e\n\u003cli\u003e2021 Polaris Switchback 850 Pro S AXYS\u003c\/li\u003e\n\u003cli\u003e2022-2026 Polaris Switchback 850 Pro S MATRYX\u003c\/li\u003e\n\u003cli\u003e2021 Polaris Switchback 850 XC 146in AXYS\u003c\/li\u003e\n\u003cli\u003e2022-2026 Polaris Switchback 850 XC 146in MATRYX\u003c\/li\u003e\n\u003cli\u003e2021 Polaris Switchback 850 XCR AXYS\u003c\/li\u003e\n\u003cli\u003e2022-2026 Polaris Switchback 850 XCR MATRYX\u003c\/li\u003e\n\u003cli\u003e2025-2026 Polaris Titan 850 Adventure Ultimate 155in 1.5\u003c\/li\u003e\n\u003cli\u003e2025-2026 Polaris Titan 850 Adventure Ultimate 155in 1.8\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eNote: Image is for reference only, actual product may vary slightly.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Straightline","offers":[{"title":"Default Title","offer_id":44540095627343,"sku":"123-154-STRAIGHTLINE-0226-S","price":470.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/7120\/7759\/files\/123-154_b25d9cf0-9d0f-47ae-bdba-c0cc08526ac8.jpg?v=1772655963","url":"https:\/\/lionparts.com\/products\/straightline-129-137-track-complete-trail-performance-kit-0-3000ft-straightline-and-stock-exhaust","provider":"Lionparts Powersports","version":"1.0","type":"link"}