August 13, 2021

Hasi Tuned R21 Swiss Spec .21 nitro engine

Hasi Tuned have introduced their new R21 Swiss Spec .21 nitro engine intended for the use with 1/8th on-road cars. Based on the 7 port O.S. R21 engine, the 2021 version is the result of two years of development with their team. The Swiss Spec features new timing and new improvements on the cylinder, these upgrades making a great difference compared to the previous engine. The R21 Swiss Spec .21 on-road nitro engine is only available pre broken-in and either separately or as combos with a standard or hard coated pipe.

Source: Hasi Tuned [facebook.com]



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