{"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","url":"https:\/\/cmckarting.com\/products\/rok-shifter","provider":"CMC Karting","version":"1.0","type":"link"}