GM Speedway engines and spares in our online store
Highly reliable high performance engines made in Italy - the choice of the champions. For maximum power on the racetrack.
GM stands for Giuseppe Marzotto and was founded in Italy in 1979. JK Speedwayservice has been an official GM dealer since the early 1980s and has contributed to GM's rise as the world market leader in Speedway and Longtrack.
