OS Engines Speed 21XZ-B Spec III
October 4, 2016O.S. has just released the Speed 21XZ-B Spec III, the successor to the tried and true O.S. Speed 21XZ-B spec.II.…O.S. Engine 21XR-B Nitro Engine
February 28, 2013The O.S. Engine 21XR-B nitro engine has been engineered to deliver maximum performance with minimal effort, while still being an…O.S. Engines 21XZ-R on-road engine
August 1, 2011O.S. introduces two new 21XZ-R engines designed to overthrow the status quo in 1/8 scale on-road racing! Both can run…O.S. Engine 21XZ-B nitro engine
November 13, 2010The new O.S. Engine 21XZ-B offers top-of-the-line power and performance at an unexpectedly low price. The O.S. Engine 21XZ-B offers…O.S. Speed 21XZ-B engine
October 30, 2010Top drivers like Mark Pavidis and Atsushi Hara can vouch for the victory-taking technology of O.S. Speed engines. Both have…