{"product_id":"reds-redenps0022-721-pista-gen3-3-5cc-21-on-road-nitro-engine","title":"REDS REDENPS0022 721 Pista Gen3 3.5cc (.21) On-Road Nitro Engine","description":"\u003cdiv class=\"_description-left\"\u003e\n\u003ch2\u003eHigh-Performance Power for 1\/8 On-Road Racing\u003c\/h2\u003e\n\u003cp\u003eThis is the 721 Pista Gen3 3.5cc (.21) On-Road Nitro Engine from REDS, a cutting-edge racing engine designed for maximum performance. With an updated 7-port sleeve, a redesigned carburetor, and enhanced cooling, this engine delivers extreme power and efficiency. Precision-crafted and hand-tuned by Mario and Marco Rossi, the 721 Pista Gen3 ensures reliability and stability on the track. Whether you're competing at the highest level or looking for an engine that pushes the limits of performance, this is the perfect choice for serious racers.\u003c\/p\u003e\n\u003ch3\u003eAbout the 721 Pista Gen3\u003c\/h3\u003e\n\u003cbr\u003e\n\u003ch4\u003eRevolutionary Design for Maximum Power\u003c\/h4\u003e\n\u003cp\u003eThe 721 Pista Gen3 introduces a redesigned 7-port sleeve engineered for superior torque and power across the entire RPM range. The optimized exhaust and intake ports enhance airflow, increasing efficiency and overall performance. This redesign ensures the engine delivers explosive acceleration while maintaining smooth power delivery, making it a top choice for competitive racing.\u003c\/p\u003e\n\u003ch4\u003eEnhanced Durability and Stability\u003c\/h4\u003e\n\u003cp\u003eDurability is a key focus of the 721 Pista Gen3, featuring a high-speed front bearing that improves idle stability and long-term reliability. The DLC-coated crankshaft and backplate significantly reduce friction, extending the lifespan of critical components. Built with premium materials, including a Swiss-made ceramic rear bearing, this engine is designed to withstand the most demanding track conditions while maintaining peak performance.\u003c\/p\u003e\n\u003ch4\u003eAdvanced Carburetor and Cooling System\u003c\/h4\u003e\n\u003cp\u003eThe redesigned die-cast aluminum carburetor features enhanced fluid dynamics, a repositioned high-speed needle, and a completely reworked mid-range needle for precise tuning. Additionally, the cooling head lowers the engine’s center of gravity, improving vehicle handling and thermal efficiency. These advancements ensure optimal power output, making the 721 Pista Gen3 one of the most refined nitro engines available.\u003c\/p\u003e\n\u003ch3\u003eFeatures:\u003c\/h3\u003e\n\u003cul class=\"product-page-features\"\u003e\n\u003cli\u003e7-port sleeve for increased power and efficiency\u003c\/li\u003e\n\u003cli\u003eDLC-coated crankshaft for reduced friction and extended durability\u003c\/li\u003e\n\u003cli\u003eHigh-speed front bearing for improved idle stability\u003c\/li\u003e\n\u003cli\u003eSwiss-made ceramic rear bearing for maximum performance\u003c\/li\u003e\n\u003cli\u003eRedesigned carburetor for precise tuning and fuel efficiency\u003c\/li\u003e\n\u003cli\u003eOptimized cooling head for better heat dissipation and vehicle balance\u003c\/li\u003e\n\u003cli\u003eHand-tuned by Mario and Marco Rossi for peak performance\u003c\/li\u003e\n\u003cli\u003eCompatible with multiple venturi sizes for adjustable airflow\u003c\/li\u003e\n\u003cli\u003eRecommended for use with REDS 2113 + Straight90™ exhaust system\u003c\/li\u003e\n\u003cli\u003eDesigned for 1\/8 on-road racing with extreme power output\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"_description-right\"\u003e\n\u003ch3\u003eIncludes:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e(1) 721 Pista Gen3 3.5cc (.21) On-Road Nitro Engine\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications:\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eDisplacement\u003c\/th\u003e\n\u003ctd\u003e.21 cu.in (3.5cc)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRecommended Application\u003c\/th\u003e\n\u003ctd\u003e1\/8 On-Road\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBore\u003c\/th\u003e\n\u003ctd\u003e0.63in (16.05mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStroke\u003c\/th\u003e\n\u003ctd\u003e0.68in (17.3mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutput\u003c\/th\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIntake Ports\u003c\/th\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eExhaust Ports\u003c\/th\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePractical RPM\u003c\/th\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e11.75oz (333g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"REDS RACING","offers":[{"title":"Default Title","offer_id":52405407220008,"sku":"REDENPS0022","price":639.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0760\/7238\/6856\/files\/redenps0022.jpg?v=1789688416","url":"https:\/\/islandhobbynut.com\/products\/reds-redenps0022-721-pista-gen3-3-5cc-21-on-road-nitro-engine","provider":"Island Hobby Nut","version":"1.0","type":"link"}