XTR Racing AR3 Tuned off-road engine
XTR Racing have announced the release of their new AR3 Tuned nitro engine for 1/8th off-road applications. The power plant is based on the last European Champion engine but incorporates numerous improvements and refinements with focus on maximum bottom and top-end power – thus the 3-port engine features a ceramic main bearing and diamond-coated crankshaft. The crankshaft is individually Tungsten-balanced and silicone-filled while thhe sleeve and piston set is specially selected and matched. Furthermore the engine features a 10-rib cooling head.
View lists of the features and specifications here