February 5, 2022

Hasi Tuned R21 7 port nitro engine

Hasi Tuned have introduced their new 2022 R21 7 port nitro engine model 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. These upgrades are needed to have a perfect adjustment with the new fuel rules from EFRA. Also available with many options, such as break-in service, Hasi backplate, high performance venturi or rear ceramic ball bearing.

Source: Hasi Tuned [facebook.com]


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