Capricorn ONE O.S. engine combustion camber insert

Coming from Capricorn’s ONE brand is a new combustion camber insert for their O.S. based .21 engines. The updated insert features an optimised design with a different plug/piston distance and internal shape for optimised engine performance. Included with the laser-etched and marked insert comes an assortment of head shims.

Source: Capricorn [capricornrc.com]