{"title":"ROK Vortex Engines","description":"","products":[{"product_id":"rok-jr-complete-package","title":"Vortex ROK Mini Engine – 60cc Cadet Complete Package","description":"\u003cp\u003eThe \u003cstrong\u003eVortex ROK Mini\u003c\/strong\u003e is a 60cc single-cylinder piston-port kart engine designed specifically for the Mini Kart class. Built by \u003cstrong\u003eVortex Engines\u003c\/strong\u003e (OTK Group), this air-cooled engine features an electric starter, making it simple and accessible for young drivers entering competitive karting for the first time.\u003c\/p\u003e\n\u003cp\u003eHomologated by ACI\/CSAI for the Mini Kart class and approved for ROK Cup Mini competition, the ROK Mini comes as a complete ready-to-install package. The engine is equipped with a Dell'Orto PHBG 18mm carburetor, intake silencer, fuel pump, homologated exhaust, battery and battery support, wire loom, coil, spark plug, and a rev limiter set at 14,000 RPM to ensure safe, competitive racing for young drivers.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Type:\u003c\/strong\u003e 60cc single-cylinder, piston port, 2-stroke, air-cooled\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHomologation:\u003c\/strong\u003e ACI\/CSAI Mini Kart, ROK Cup Mini\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Vortex Engines \/ OTK Group (Italy)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe ROK Mini is the ideal choice for parents and teams looking for a reliable, competitive cadet engine with low maintenance requirements and strong championship support. CMC Karting offers the ROK Mini complete package with expert advice for families entering the sport.\u003c\/p\u003e\n\u003cp\u003e\u003cscribe-shadow id=\"crxjs-ext\" data-crx=\"okfkdaglfjjjfefdcppliegebpoegaii\" style=\"position: fixed; width: 0px; height: 0px; top: 0px; left: 0px; z-index: 2147483647; overflow: visible; visibility: visible;\"\u003e\u003c\/scribe-shadow\u003e\u003c\/p\u003e","brand":"OTK","offers":[{"title":"Default Title","offer_id":46240958251229,"sku":"WMINI\/ROK","price":2199.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0731\/6770\/0189\/files\/CMCProductImages-ROKMini_1.png?v=1740681231"},{"product_id":"rok-gp-complete-packag","title":"Vortex ROK GP Engine – 125cc TaG Complete Package","description":"\u003cp\u003eThe \u003cstrong\u003eVortex ROK GP\u003c\/strong\u003e is a 125cc single-cylinder, 2-stroke TaG (Touch and Go) kart engine manufactured by \u003cstrong\u003eVortex Engines\u003c\/strong\u003e (OTK Group). Featuring reed valve intake, liquid cooling with an integrated water pump, and a self-generating digital ignition system, the ROK GP is the flagship senior engine for the ROK Cup championship series worldwide.\u003c\/p\u003e\n\u003cp\u003eEquipped with an integrated electric starter, balancer shaft for reduced vibration, and a centrifugal dry clutch, the ROK GP is designed for ease of use without sacrificing competitive performance. The engine runs on a mixture-lubricated fuel system and delivers smooth, predictable power that rewards clean driving technique. The ROK GP is homologated for ROK Cup Senior and Masters classes and is compatible with all standard 30\/32mm CIK-style chassis.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Type:\u003c\/strong\u003e 125cc single-cylinder, 2-stroke, liquid-cooled\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHomologation:\u003c\/strong\u003e ROK Cup Senior \/ Masters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Vortex Engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe ROK GP complete package includes everything needed to install and race. It is the ideal choice for senior and masters-class drivers seeking competitive, well-regulated TaG racing with strong fields at ROK Cup events across North America. CMC Karting provides the ROK GP with full technical support and competitive pricing.\u003c\/p\u003e","brand":"OTK","offers":[{"title":"Default Title","offer_id":46240958906589,"sku":"WROK\/GPA","price":3599.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0731\/6770\/0189\/files\/CMCProductImages-ROKSR_3.png?v=1740682397"},{"product_id":"rok-shifter","title":"Vortex ROK Shifter Engine – 125cc Gearbox Complete Package","description":"\u003cp\u003eThe \u003cstrong\u003eVortex ROK Shifter\u003c\/strong\u003e is the dedicated gearbox engine from the ROK engine family, built by \u003cstrong\u003eVortex Engines\u003c\/strong\u003e (OTK Group). Producing approximately \u003cstrong\u003e43 horsepower\u003c\/strong\u003e, the ROK Shifter delivers serious performance at an accessible price point, making it the engine of choice for drivers entering or competing in the ROK Cup Shifter championship series.\u003c\/p\u003e\n\u003cp\u003eDeveloped from Vortex's extensive experience with two-stroke kart engines — including the championship-winning RVXX platform — the ROK Shifter combines proven engineering with modern reliability. This engine is homologated for the ROK Cup Shifter class, where drivers compete on various chassis brands under stable, well-managed technical regulations that keep costs predictable season to season.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Type:\u003c\/strong\u003e 125cc single-cylinder, 2-stroke, liquid-cooled\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Output:\u003c\/strong\u003e Approximately 43 HP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransmission:\u003c\/strong\u003e 6-speed gearbox\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHomologation:\u003c\/strong\u003e ROK Cup Shifter class\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Vortex Engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe ROK Shifter is ideal for experienced drivers who want gearbox racing with controlled costs and strong competition fields. The ROK Cup series provides a professionally managed championship environment with steady regulations, so your engine investment holds its value over multiple seasons. CMC Karting offers the ROK Shifter complete package with expert support for the North American ROK Cup community.\u003c\/p\u003e","brand":"OTK","offers":[{"title":"Default Title","offer_id":46240985317597,"sku":"WROK\/SHFIT","price":4315.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0731\/6770\/0189\/files\/CMCProductImages-ROKShifter.png?v=1740682721"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0731\/6770\/0189\/collections\/CMCProductImages-ROKShifter.png?v=1740684669","url":"https:\/\/cmckarting.com\/collections\/rok-vortex-engines.oembed","provider":"CMC Karting","version":"1.0","type":"link"}