{"product_id":"reds-321-estremo-x-line-3-5cc-21-off-road-nitro-engine-combo-redcobu0037","title":"REDS 321 Estremo X-Line 3.5cc (.21) Off-Road Nitro Engine Combo","description":"\u003cp\u003eThe REDS 321 Estremo X-Line 3.5cc (.21) Off-Road Nitro Engine Combo combines a 3-port off-road engine with a 2143 Torque X-ONE Pipe. It is designed for 1\/8 buggy and truggy racing and features AirBoost backplate technology, a Venturi XFlow intake system, and a lightweight piston and cooling head.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAdvanced 3-port off-road engine design\u003c\/li\u003e\n\u003cli\u003eStrong bottom-end torque and acceleration\u003c\/li\u003e\n\u003cli\u003eOptimized cylinder and sleeve internal flow channels\u003c\/li\u003e\n\u003cli\u003eUltra-lightweight piston design\u003c\/li\u003e\n\u003cli\u003eAirBoost DLC-coated backplate technology\u003c\/li\u003e\n\u003cli\u003eDLC-coated double-balanced crankshaft\u003c\/li\u003e\n\u003cli\u003eImproved carburetor design\u003c\/li\u003e\n\u003cli\u003eVenturi XFlow intake system\u003c\/li\u003e\n\u003cli\u003eUltra-lightweight high-efficiency cooling head\u003c\/li\u003e\n\u003cli\u003eDesigned for 1\/8 buggy and truggy racing\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 0.65in (16.4mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStroke:\u003c\/strong\u003e 0.65in (16.4mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntake Ports:\u003c\/strong\u003e 3\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 VLX3-A Aluminum Long Needle\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) REDS 321 Estremo X-Line Off-Road Nitro Engine\u003c\/li\u003e\n\u003cli\u003e(1) 2143 Torque X-ONE Pipe\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility Note\u003c\/h3\u003e\u003cp\u003eThe Estremo line of engines are not compatible with S Line Exhausts, manifolds, gaskets, backplates piston\/sleeve\/conrod set and spring sets. Please check accessory compatibility before purchase.\u003c\/p\u003e","brand":"REDS","offers":[{"title":"Default Title","offer_id":46291220300010,"sku":"REDCOBU0037","price":609.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/9723\/1338\/files\/REDCOBU0037_01.jpg?v=1789961457","url":"https:\/\/swflrcr.com\/products\/reds-321-estremo-x-line-3-5cc-21-off-road-nitro-engine-combo-redcobu0037","provider":"SWFLRC Raceway","version":"1.0","type":"link"}