O.S. (official site) have decided to release the SPEED B21 Ty Tessmann Edition to commemorate Ty Tessmann winning at the 2018 ROAR NATS. Set to go on sale in October, this engine is based on B2101 with a special 5.8mm carb restrictor, which is his favorite and a new low- profile head of Ty’s original design, with a new shape and double height vertical fins.
The O.S. Speed B21 Ty II nitro engine is designed for 1/8 scale buggies and will be available in combo set including a 90mm long manifold with the T-2090SC or separately, just the engine by itself, in a limited quantity of only 300 pieces.