SIIM PGR S12T engine

The first engine to be released from Spanish company SIIM Racing’s new engine line up, as we announced last week, is the PGR S12T touring car motor. Made for SIIM by Italian company Star Motor Engineering, who make the Sirio motors, this new engine features a 5 port ABC liner and a 12mm crankshaft, with extra work done to the porting to improve fuel flow, while externally it sports a black crankcase and a branded gold cooling head.

Source: SIIM [siimengines.com]