Discontinued
O.S. Speed 21ZX-B Spec II Ty Tessman 110% Engine
OS Engines - OSMG2037
O.S. Speed 21ZX-B Spec II Ty Tessman 110% Engine Overview
The Speed 21XZ-B Spec. II Ty 110% long stroke nitro engine continues the O.S. Speed legacy, with improvements that paved the way for Ty to take first place in the Nitro Truggy division at the ROAR Fuel Off-Road National Championships. The engine is available alone, or as part of a set with a T-2090SC exhaust pipe and manifold that offers lots of tuning options for racers. Get yours today and see just how much of a difference it makes in your buggy or truggy!