Tesla .21 GT 7 & 9-port rally game engines
Italian company Capricorn soon has two new .21 nitro engines available. Targeting 1/8th scale GT vehicles, known as rally game in the southern parts of Europe, the dedicated engines are available as a 7-port and a 9-port variant to add to the already existing 5-port engine. Unfortunately so far Capricorn has not given any hints on the features and specifications but more information should become available in time for the release.
Source: Capricorn [capricornrc.com]