OS Engines 1D900 O.S. Speed R2105 Engine OSMG2028 .16+ Car/Truck Engines

Description: The O.S. SPEED R21 series won the previous World Championships held in the United States. The "R2105" most of the parts has been newly designed aiming for consecutive victories at the world championship to be held in Japan this year. Horizon Hobby OS Engines 1D900 O.S. Speed R2105 Engine, OSMG2028 Introduction To increase torque on high-grip track surfaces, a newly designed 9-port sleeve is adopted. O.S. SPEED's traditional DLC coated crankshaft delivers linear power from low to top by changing the counter balance. The outer head has been mirror finish and by clear coat from the conventional color to a silver head base has been adopted. By adopting a thrust plate made out of steel, wear due to interference between the connecting rod and the cover plate during rotation is reduced and engine life is improved. Adopting the latest design to most part of the engine, it is finished with content suitable for the flagship of the O.S. SPEED on-road engine. Features FEATURE_ITEM FEATURE_ITEM FEATURE_ITEM FEATURE_ITEM Overview OVERVIEW_TEXT Piston Sleeve To increase torque, the sleeve adopts newly designed ports. Crankshaft By redesigning of the crankshaft’s counter weight, power delivery from low to top is improved. Silver Finish Polished finish is applied to the silver head base from the conventional color. New Crankcase Mold A new mold was adopted for the crankcase, and the O.S. SPEED logo was applied to the exterior design. Needle O-Ring Based on 21M, which already had a good reputation, by changing the needle O-ring from 1 piece to 2 pieces to prevent the needle adjustment from changing. Increased Durability By adopting a thrust plate made out of steel, wear due to friction between the connecting rod and the cover plate during rotation is reduced and engine durability is improved. FEATURE_TITLE FEATURE_TEXT Item Condition All items sold by Horizon Hobby are sold as "New: A brand-new, unused, unopened, undamaged item." We do not sell used, opened, or damaged items. If an item is damaged during shipping, please see our Returns section to arrange a return. Shipping Returns About Horizon Contact Us Shipping Horizon Hobby ships to all 50 States as well as Puerto Rico, Virgin Islands, and other US protectorates. Unfortunately, we cannot ship to APO/FPO or PO Box addresses at this time. Some restrictions apply based on destination and item size. Our FREE shipping and combined shipping discounts save you money. We offer FREE economy shipping on US orders of $99 or more! Only $4.99 for economy service on US orders under $99. We cannot combine shipping on multiple orders. We can combine multiple items if you use the shopping cart. You will also receive free shipping on all orders over $99 with a discount applied in the eBay shopping cart (applies to contiguous US orders only). We ship out of our two warehouses in the United States located in Illinois and California. We will ship your order from the closest warehouse with inventory. Shipping times may vary based on shipping location. Hawaii orders will take 30-45 days for economy shipping. ORM-D and Lithium / Li-Po Battery Restrictions ORM-D items can only be shipped via ground delivery. Products of this nature include quarts of fuel, glues, paints, thinners, aerosol sprays, and certain lithium batteries. We cannot ship ORM-D items to Alaska, Hawaii, Puerto Rico, or other US Protectorates. Other restrictions may apply based on APO/FPO shipping rules. Payment We accept all major credit cards, PayPal, and Google Pay. Taxes may be applicable at checkout. Learn More Returns Returned merchandise must be in unused condition and in its original packaging. The mounting of engines and accessories, running fuel through engines, cutting or pushing out the balsa sheets in kits, and other similar actions constitutes used merchandise. Radios must be returned with unmounted servos and switch harness. We do not accept returns on Lithium-based batteries sold separate from a kit (i.e.: standalone) or Nickel or Alkaline batteries which have been opened, used and / or charged, due to an abundance of caution and care for our customers. Shipping conditions and parameters for batteries are particularly sensitive. Flammable or combustible materials or products (regardless of whether the item is open or unopened) such as: Nitro engines (if fuel has entered the engine), Nitro fuel, Unopened as well as opened, charged and / or used Lithium Ion / Polymer (LiPo) batteries and other Lithium-based batteries. Any type of opened, charged and / or used battery including LiPo, Nickel-Metal Hydride (NiMH), Nickel-Cadmium (NiCd), other Nickel-based batteries and / or Alkaline-based batteries. Sealed Lead Acid batteries. Paints, thinners, certain glues or cements/pastes. Aerosols or compressed gas canisters. Rockets, kits containing rockets with or without igniters, igniters, hobby fuel (both quart or gallon). When packing your order for return, please be sure all the original packing material and instruction papers and/or manuals are included. We will be unable to process your return if parts are missing, or if items are not packed properly to avoid damage to products and their boxes and/or packages. ARF kits are specially packaged to insure safe shipping of all contents. In order to receive credit for a returned ARF, the contents must be returned in the original plastic covers and arranged in a manner that will not damage the contents or packaging. Please contact us for a return authorization number by opening a return case on Ebay. Freight charges will not be refunded. The customer is responsible for insured shipping back to our shop. Returns sent COD will not be accepted. Horizon Hobby reserves the right to charge a 15% restocking fee on any merchandise returned for credit. About Horizon Hobby Providing an exceptional customer experience is a mission we take seriously. That's why, when it comes to radio control (RC) fun, we don't toy around. Our advances in model aircraft and vehicle stabilization, 2.4GHz control and ready-to-run convenience have made RC hobbies more exciting and more accessible than ever before. More importantly, we love RC just as much as our customers do. That's why we don't buy off-the-shelf product and slap our name on it. Any product that bears the Horizon Hobby name was developed by a team of in-house experts, many of whom have decades of experience in the hobby. But our commitment to a great experience doesn't stop at the drawing board. Every Horizon Hobby product is backed by the best customer service you will find in any industry. Customer phone support, warranty repairs, online resources – we do it all and with the same passion for excellence we started with back in 1985. Horizon employs nearly 700 people and sells products in more than 100 countries around the world. Corporate headquarters, along with the main distribution facility and product service center, are located in Champaign, Illinois. Additional distribution centers are located in Ontario, California and Barsbüttel, Germany (site of Horizon Hobby GmbH). California is also home to the Losi RC car division (Ontario) and the Athearn train line in Long Beach. At Horizon Hobby, we help people have fun with hobbies. Providing an exceptional customer experience is a mission we take seriously. That's why, when it comes to radio control fun, we don't mess around. Please contact us through your original purchase on eBay. We're always striving to answer e-mails as quickly as possible.

Price: 679.99 USD

Location: Champaign, Illinois

End Time: 2025-02-08T21:01:15.000Z

Shipping Cost: 0 USD