M28 truggy motor from Boss
Truggymania.com have lots of close up photos of the new .28 truggy motor from Boss engines. Called the M28, it is exactly what you would expect from GRP and Mario Rossi but just a bigger capacity. You can check out the full picture set here.
Source: Truggy Mania [truggymania.com] via Neo-Buggy [neo-buggy.net]