{"product_id":"pro-r-turbo-r-lower-a-arm-and-knuckle-kit","title":"PRO R\/ TURBO R LOWER A-ARM AND KNUCKLE KIT","description":"\u003ch1\u003ePRO R\/ TURBO R LOWER A-ARM AND KNUCKLE KIT\u003c\/h1\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003e\n  The Lone Star Racing Lower A-Arm and Knuckle Kit is the ultimate front suspension upgrade for your Polaris PRO R or Turbo R. Built as a heavy-duty replacement for the stock lower A-arms and knuckles, this kit is engineered for riders who demand more from their machine - whether on the trail or deep in the desert. Constructed from heavy-duty 4130 chromoly and TIG welded for maximum strength, every detail of this kit has been purpose-built for performance and durability.\n\u003c\/p\u003e\n\u003cp\u003e\n  The knuckle redesign moves the tie rod location to improve steering geometry and dramatically reduce feedback, giving you more confident, precise control. Every mounting point is double shear for increased strength, and the kit retains factory hardware at chassis mounting points while using factory hubs and brakes - making installation straightforward. Baja tested and proven by Branden Sims across 1,300 grueling miles with zero play in the uniballs.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4130 Chromoly Construction:\u003c\/strong\u003e Heavy-duty chromoly steel throughout for superior strength and durability under extreme off-road conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTIG Welded:\u003c\/strong\u003e Precision TIG welding ensures clean, strong joints that hold up mile after mile.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1\" FK Uniball Lower Ballpoint:\u003c\/strong\u003e Vertical 1\" FK uniball used as the lower ballpoint for strength and longevity - zero play after 1,300 Baja miles.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3\/4\" FK Uniball Shock Mount:\u003c\/strong\u003e Dedicated 3\/4\" FK uniball at the shock mount for reliable, consistent suspension performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDouble Shear Mounting Points:\u003c\/strong\u003e Every mounting point on the kit is double shear for dramatically increased strength over stock.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eImproved Steering Geometry:\u003c\/strong\u003e Relocated tie rod position on the knuckle reduces steering feedback and improves overall handling precision.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible with Factory Hardware and Components:\u003c\/strong\u003e Retains factory hardware at chassis mounting points and works with factory hubs and brakes for a clean, direct fitment.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal Tie Rod Compatibility:\u003c\/strong\u003e Works with any tie rod kit using a 3\/4\" heim joint for the outer tie rod end. Mis-alignment spacers included.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBaja Tested and Proven:\u003c\/strong\u003e Validated by Branden Sims over 1,300 miles of punishing desert racing terrain.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptional Shock Therapy Tie Rods:\u003c\/strong\u003e Shock Therapy tie rod kit available as an add-on for a complete front suspension solution.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eOptions \u0026amp; Which to Choose\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo Adjustable Upper Control Arms \/ No Shock Therapy Tie Rods:\u003c\/strong\u003e The base kit - includes the lower A-arms and knuckles with mis-alignment spacers. Best for riders who already have compatible upper control arms and a preferred tie rod setup.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdd Adjustable Upper Control Arms:\u003c\/strong\u003e Pairs the lower A-arm and knuckle kit with Lone Star Racing's HD Adjustable Upper A-Arms, giving you full control over camber and caster. Ideal for serious builds and riders dialing in suspension geometry. Note: upper control arms are required for use with this kit.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInclude Shock Therapy Tie Rods:\u003c\/strong\u003e Adds the Shock Therapy tie rod kit to your order. Tie rod spacers are included regardless of this selection. Best for riders who want a single-source, fully matched front suspension package.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdd Both Upper Control Arms and Shock Therapy Tie Rods:\u003c\/strong\u003e The complete front suspension upgrade - everything you need for a fully engineered, race-proven front end. Best for builds prioritizing maximum performance, geometry control, and reduced steering feedback.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eLSR Lower A-Arms (pair)\u003c\/li\u003e\n  \u003cli\u003eLSR Knuckles (pair)\u003c\/li\u003e\n  \u003cli\u003eMis-alignment spacers for tie rod double shear mount\u003c\/li\u003e\n  \u003cli\u003eTie rod spacers (included regardless of tie rod selection)\u003c\/li\u003e\n  \u003cli\u003eAdjustable Upper Control Arms (if selected)\u003c\/li\u003e\n  \u003cli\u003eShock Therapy Tie Rod Kit (if selected)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eWhy You'll Love It\u003c\/h2\u003e\n\u003cp\u003e\n  When stock suspension simply isn't enough for the way you ride, the Lone Star Racing Lower A-Arm and Knuckle Kit delivers a proven upgrade that doesn't cut corners. Every component is built to handle the demands of high-speed desert racing, rock crawling, and everything in between - trusted by competitive UTV pilots who put their gear through the absolute worst. The improved steering geometry means less fatigue and more confidence on the wheel, mile after mile. With double shear mounting points and FK uniballs throughout, this kit is engineered for long-term reliability rather than short-term gains. Whether you're prepping for an organized race or building the ultimate trail machine, this is the suspension foundation your Polaris PRO R or Turbo R deserves.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003cdiv class=\"custom-product-faq\"\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eView Product Specs\u003c\/strong\u003e\u003c\/summary\u003e\n\u003ctable border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Vehicles\u003c\/th\u003e\n\u003ctd\u003ePolaris PRO R, Polaris Turbo R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eHeavy-duty 4130 chromoly steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWelding\u003c\/th\u003e\n\u003ctd\u003eTIG welded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLower Uniball (Ballpoint)\u003c\/th\u003e\n\u003ctd\u003e1\" FK uniball (vertical orientation)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShock Mount Uniball\u003c\/th\u003e\n\u003ctd\u003e3\/4\" FK uniball\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMounting Points\u003c\/th\u003e\n\u003ctd\u003eDouble shear throughout\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTie Rod Outer End Compatibility\u003c\/th\u003e\n\u003ctd\u003e3\/4\" heim joint\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFactory Hardware Retention\u003c\/th\u003e\n\u003ctd\u003eYes - chassis mounting points use factory hardware\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHub\/Brake Compatibility\u003c\/th\u003e\n\u003ctd\u003eUses factory hubs and brakes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequired Companion Part\u003c\/th\u003e\n\u003ctd\u003eLSR Adjustable Upper Control Arms (sold separately or as an add-on)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLead Time\u003c\/th\u003e\n\u003ctd\u003eMay be up to 10 weeks or more if not in stock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003cdiv class=\"custom-product-faq\"\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDo I need to purchase the Adjustable Upper Control Arms separately?\u003c\/summary\u003e\n\u003cp class=\"faq-content\"\u003eYes - this kit requires the use of Lone Star Racing's Adjustable Upper Control Arms. You can add them directly to your order when configuring this kit, or purchase them separately. Using the lower A-arm and knuckle kit without compatible upper control arms is not recommended.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWill this kit work with my existing tie rods?\u003c\/summary\u003e\n\u003cp class=\"faq-content\"\u003eThis kit is compatible with any tie rod kit that uses a 3\/4\" heim joint for the outer tie rod end. Mis-alignment spacers are included to accommodate the rod end to the double shear mount. If you don't have a compatible tie rod kit, you can add the Shock Therapy tie rod kit as an option during checkout - tie rod spacers are included with every order regardless.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWill this kit work with my factory hubs and brakes?\u003c\/summary\u003e\n\u003cp class=\"faq-content\"\u003eYes. The LSR Lower A-Arm and Knuckle Kit is designed to use your factory hubs and brakes, so there is no need to replace those components. The kit also retains factory hardware at the chassis mounting points.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the lead time if the product is out of stock?\u003c\/summary\u003e\n\u003cp class=\"faq-content\"\u003eLead times can be 10 weeks or more depending on current stock levels. If your build has a time-sensitive deadline, it is strongly recommended to call before placing your order to confirm availability or check with authorized distributors who may have inventory on hand.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs professional installation recommended for this kit?\u003c\/summary\u003e\n\u003cp class=\"faq-content\"\u003eGiven the complexity of a front suspension rebuild and the importance of precise alignment and torque specs on a performance UTV, professional installation by an experienced mechanic or off-road shop is strongly recommended. Proper alignment should be performed after installation to ensure the improved steering geometry is dialed in correctly.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHas this kit been tested in real-world racing conditions?\u003c\/summary\u003e\n\u003cp class=\"faq-content\"\u003eAbsolutely. This kit was Baja tested and proven by Branden Sims over 1,300 grueling off-road miles, with zero play in the uniballs after the entire run. It's the same kit trusted by competitive desert racers who demand proven performance, not just promises.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e","brand":"Lone Star Racing ATV \u0026 UTV","offers":[{"title":"No Finish \/ No \/ No","offer_id":56275706347825,"sku":"51-1091900","price":4850.0,"currency_code":"USD","in_stock":false},{"title":"No Finish \/ No \/ Yes","offer_id":56275706380593,"sku":"51-1091900, ST-808-1000-10","price":5549.95,"currency_code":"USD","in_stock":false},{"title":"No Finish \/ Yes \/ No","offer_id":56275706413361,"sku":"51-1091900, 51-1091501","price":6600.0,"currency_code":"USD","in_stock":false},{"title":"No Finish \/ Yes \/ Yes","offer_id":56275706446129,"sku":"51-1091900, 51-1091501, ST-808-1000-10","price":7299.95,"currency_code":"USD","in_stock":false},{"title":"Semi Gloss Black \/ No \/ No","offer_id":56275706478897,"sku":"51-1091901","price":4935.0,"currency_code":"USD","in_stock":false},{"title":"Semi Gloss Black \/ No \/ 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