{"product_id":"osspeed-21xz-b-spec2-w-21jb","title":"OSSPEED 21XZ-B SPEC2 W\/21J(B)","description":"\u003cspan\u003eThis is the O.S. Speed 21XZ-B Spec II Tuned Off-Road Competition Buggy Engine. Since their inception, drivers around the world have equipped their vehicles with O.S. Speed engines because they demand a race-winning performance edge. The 21XZ-B Speed Spec II has been factory tuned for maximum performance, with modifications that make this power plant leaner and meaner than any XZ-B model ever produced. The Speed Spec II is engineered to deliver next level performance, and is guaranteed to give you the power you need to make it to the top of the podium. \u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003eLighter DLC coated, tungsten slugged and silicone ramped crankshaft\u003c\/li\u003e\n\u003cli\u003eModified piston and con rod that reduces overall weight\u003c\/li\u003e\n\u003cli\u003eRedesigned cooling head with V-shaped fins for lower CG and efficient cooling\u003c\/li\u003e\n\u003cli\u003e21J carburetor for smoother acceleration and better fuel mileage\u003c\/li\u003e\n\u003cli\u003eA 6.5mm venturi is installed; 6mm and 7mm venturi's are included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cstrong\u003eSpecifications: \u003cbr\u003eDisplacement:\u003c\/strong\u003e\u003cspan\u003e 0.213 cu in (3.49 cc) \u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eBore:\u003c\/strong\u003e\u003cspan\u003e 0.641 in (16.27 mm) \u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eStroke:\u003c\/strong\u003e\u003cspan\u003e 0.661 in (16.8 mm) \u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003ePractical RPM Range:\u003c\/strong\u003e\u003cspan\u003e 4,000-42,000 \u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eOutput:\u003c\/strong\u003e\u003cspan\u003e 2.65 ps @ 34,000 rpm \u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e\u003cspan\u003e 12.52 oz (355 g) \u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eIncludes:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003e21XZ-B Speed Spec II Buggy Engine w\/21J carburetor\u003c\/li\u003e\n\u003cli\u003eP3 Turbo Glow Plug\u003c\/li\u003e\n\u003cli\u003eExhaust Seal Ring\u003c\/li\u003e\n\u003cli\u003e6mm, 6.5mm and 7mm Venturi's\u003c\/li\u003e\n\u003cli\u003e(2) Dust Caps\u003c\/li\u003e\n\u003cli\u003eInstruction Manual\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"O.S. ENGINES","offers":[{"title":"Default Title","offer_id":773834379,"sku":"OSM12175","price":329.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0538\/6357\/products\/osmg2052-main-lg.jpg?v=1527155613","url":"https:\/\/ricercgr.com\/en\/products\/osspeed-21xz-b-spec2-w-21jb","provider":"RACERC","version":"1.0","type":"link"}