Hasi Tuned have introduced their new R21 7 Port nitro engine model 2023 intended for the use with 1/8th on-road cars. Based on the 7 port O.S. R21 engine, the new Hasi R21 have a new timing and new improvements on the cylinder. The exact engine used by some of the worlds fastest drivers including Simon Kurzbuch and Silvio Hachler.
These engines are factory pre-run and include the optional rear ceramic bearing.
These are high-end competition engines – 3 of them featured at the recent Australian National’s 1/8 A-Finals.