{"product_id":"reds-721-superveloce-gen5-3-5cc-21-off-road-engine-combo-redcobu0035","title":"REDS 721 Superveloce Gen5 3.5cc (.21) Off-Road Engine Combo","description":"\u003cp\u003eThe REDS 721 Superveloce Gen5 3.5cc (.21) Off-Road Engine Combo pairs the 721 Superveloce Gen5 engine with a 2143 Torque X-ONE Pipe. Revised internal fluid dynamics, crankshaft timing, and cylinder port timing provide increased mid- and high-RPM power while maintaining the same fuel mileage as the previous generation.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOptimized internal fluid dynamics\u003c\/li\u003e\n\u003cli\u003eRevised crankshaft timing\u003c\/li\u003e\n\u003cli\u003eRedesigned cylinder port timing\u003c\/li\u003e\n\u003cli\u003eIncreased mid- and high-RPM power\u003c\/li\u003e\n\u003cli\u003eStronger top-end performance\u003c\/li\u003e\n\u003cli\u003eSame fuel mileage as previous generation\u003c\/li\u003e\n\u003cli\u003e9mm carburetor with a wider and more forgiving tuning window\u003c\/li\u003e\n\u003cli\u003eFull DLC crankshaft and backplate\u003c\/li\u003e\n\u003cli\u003eIncludes 2143 X-ONE Torque Pipe\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplacement:\u003c\/strong\u003e .21 cu.in (3.5cc)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Application:\u003c\/strong\u003e 1\/8 Off-Road\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBore:\u003c\/strong\u003e 0.64in (16.2mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStroke:\u003c\/strong\u003e 0.67in (16.9mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntake Ports:\u003c\/strong\u003e 7\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust Ports:\u003c\/strong\u003e 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarburetor Type:\u003c\/strong\u003e VCX3-A Aluminum Short Needle 9mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGlow Plug:\u003c\/strong\u003e REDS TS3\/TS4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Fuel:\u003c\/strong\u003e 25–30% Nitro, 8–10% Oil\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreak-In Fuel:\u003c\/strong\u003e 12% Oil\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 12.17oz (345g)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eIncludes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e(1) 721 Superveloce Gen5 3.5cc (.21) Off-Road Engine\u003c\/li\u003e\n\u003cli\u003e(1) 2143 Torque X-ONE Pipe\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"REDS","offers":[{"title":"Default Title","offer_id":46291296583914,"sku":"REDCOBU0035","price":609.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/9723\/1338\/files\/REDCOBU0035_01.jpg?v=1789961914","url":"https:\/\/swflrcr.com\/products\/reds-721-superveloce-gen5-3-5cc-21-off-road-engine-combo-redcobu0035","provider":"SWFLRC Raceway","version":"1.0","type":"link"}