Extreme Research Development .21 & .12 nitro engines

Extreme Research Development, or XRD in short, is a new Italian nitro engine brand that focusses purely on the competition market. The range will include a .21 “Hard Tuned” 1/8 on-road, two .12 200mm “Tuned” and “Hard Tuned” on-road and two 3-port and 5-port 1/8 buggy engines all of which are hand-tuned to ensure the highest possible performance. All come equipped with ceramic bearings and are build from selected high-quality parts.

Source: XRD [xrdtech.com]