{"product_id":"o-s-speed-r21gt-ii-combo-set","title":"O.S.SPEED R21GT II Combo Set","description":"\u003ch2\u003eO.S.SPEED R21GT-II 1\/8 GT Racing Engine Combo with Exhaust System\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eA high-performance GT engine directly descended from O.S.SPEED - Evolved to the next generation!!\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eWhile inheriting the smooth feeling and good fuel efficiency of the previous model O.S.SPEED R21GT, which was well received in the European market, the home of GT cars, the power feeling in the medium and low speed ranges has been improved by reviewing the counterbalance of the crankshaft. Improved. In addition, the newly designed inner head improves idling performance, and an O-ring is used to reduce vibration and improve dust resistance. The outer head has been made lighter, and has evolved into the O.S.SPEED R21GTII with attention to detail.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eThis is the combo set with TB01 (EFRA2042) tuned silencer and MB01-70 manifold exhaust system.\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/www.minicars.se\/bilder\/artiklar\/zoom\/OS1DT00_8.jpg\" width=\"350\" height=\"318\" alt=\"\"\u003e\u003cbr\u003e\u003cspan\u003eThe crankshaft uses two tungsten counterweights. We have optimized the mass balance by reviewing the detailed dimensions.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/www.minicars.se\/bilder\/artiklar\/zoom\/OS1DT00_10.jpg\" width=\"350\" height=\"253\" alt=\"\"\u003e\u003cbr\u003e\u003cspan\u003eThe inner head is newly designed. Improved low and medium speed feeling and idling performance. An O-ring is also used to reduce vibration and improve dust resistance.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/www.minicars.se\/bilder\/artiklar\/zoom\/OS1DT00_12.jpg\" width=\"350\" height=\"344\" alt=\"\"\u003e\u003cbr\u003e\u003cspan\u003eThe outer head is also newly designed. Succeeded in weight reduction compared to conventional products. The outer circumference is processed to create a lacy atmosphere.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/www.minicars.se\/bilder\/artiklar\/zoom\/OS1DT00_9.jpg\" width=\"350\" height=\"329\" alt=\"\"\u003e\u003cbr\u003e\u003cspan\u003eEquipped with 5 scavenging ports and 3 exhaust ports to meet IFMAR regulations.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/www.minicars.se\/bilder\/artiklar\/zoom\/OS1DT00_11.jpg\" width=\"350\" height=\"350\" alt=\"\"\u003e\u003cbr\u003e\u003cspan\u003eEquipped with a double-adjust type 22E(B) GT carb. The reducer is a newly designed 7.0MM (RED) AL2.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/www.minicars.se\/bilder\/artiklar\/zoom\/OS1DT00_13.jpg\" width=\"350\" height=\"344\" alt=\"\"\u003e\u003cbr\u003e\u003cspan\u003eAdopted with TB01 EFRA2042 (T-2060SC) muffler + MB01-70 (M2003SC) manifold.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecs:\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eStroke Volume: 3.49cc\u003c\/li\u003e\n\u003cli\u003eBore: 16.08mm\u003c\/li\u003e\n\u003cli\u003eStroke: 17.20mm\u003c\/li\u003e\n\u003cli\u003eOutput: 2.65 ps \/ 2.61 hp @ 34.000RPM\u003c\/li\u003e\n\u003cli\u003ePractical RPM: 4.000-42.000\u003c\/li\u003e\n\u003cli\u003eWeight: 362g\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cbr\u003eStandard accessories:\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGlow plug: RP6\u003c\/li\u003e\n\u003cli\u003eReducer venturi: 7.0mm (RED) AL2\u003c\/li\u003e\n\u003cli\u003eExhaust seal ring\u003c\/li\u003e\n\u003cli\u003eDust cap set: φ3, φ16 \u0026amp; φ18mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"OS Engines","offers":[{"title":"Default Title","offer_id":55003298103640,"sku":"OS1DT01","price":499.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0538\/6357\/files\/2qszzel8.png?v=1748699583","url":"https:\/\/www.racerc.gr\/en\/products\/o-s-speed-r21gt-ii-combo-set","provider":"RACERC","version":"1.0","type":"link"}