GM

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 crankcase OFFC
GM crankcase OFFC
688,38 EUR
incl. 20% tax excl. Shipping costs
GM crankcase BABY
SOLD OUT
GM crankcase BABY
688,38 EUR
incl. 20% tax excl. Shipping costs
GM NX crankcase
SOLD OUT
GM NX crankcase
Offset or Baby-Offset
734,40 EUR
incl. 20% tax excl. Shipping costs
GM crankcase STD
SOLD OUT
GM crankcase STD
688,38 EUR
incl. 20% tax excl. Shipping costs
Cylinder screw with hexagon socket ISO 4762 M6x25
Cylinder screw with hexagon socket ISO 4762 M6x25
for GM housing, NEB countershaft housing & STUHA fork bobbin
Used to be 0,40 EUR
Now only 0,24 EUR
incl. 20% tax excl. Shipping costs
Cylinder screw with hexagon socket ISO 4762 M6x35
Cylinder screw with hexagon socket ISO 4762 M6x35
for GM housing
0,40 EUR
incl. 20% tax excl. Shipping costs
Cylinder screw with hexagon socket ISO 4762 M6x55
Cylinder screw with hexagon socket ISO 4762 M6x55
for GM housing
0,40 EUR
incl. 20% tax excl. Shipping costs
GM breather spout
GM breather spout
4,27 EUR
incl. 20% tax excl. Shipping costs
GM centre pin
GM centre pin
for cylinder
0,44 EUR
incl. 20% tax excl. Shipping costs
GM cylinder
GM cylinder
Available in 2 sizes
505,12 EUR
incl. 20% tax excl. Shipping costs
GM 250 cylinder
GM 250 cylinder
408,04 EUR
incl. 20% tax excl. Shipping costs
GM NX cylinder
SOLD OUT
GM NX cylinder
Available in 2 sizes
451,00 EUR
incl. 20% tax excl. Shipping costs
GM thread insert for cylinder
GM thread insert for cylinder
4,27 EUR
incl. 20% tax excl. Shipping costs
GM NX thread insert for cylinder
SOLD OUT
GM NX thread insert for cylinder
M11
4,50 EUR
incl. 20% tax excl. Shipping costs
GM head screw M10x25x1.25 10.9
GM head screw M10x25x1.25 10.9
1,88 EUR
incl. 20% tax excl. Shipping costs
GM NX head screw M11
SOLD OUT
GM NX head screw M11
4,32 EUR
incl. 20% tax excl. Shipping costs
GM 250 cylinder head screw M8x80
SOLD OUT
GM 250 cylinder head screw M8x80
2,15 EUR
incl. 20% tax excl. Shipping costs
GM head screw M8x35 10.9
GM head screw M8x35 10.9
1,27 EUR
incl. 20% tax excl. Shipping costs
GM washer M8
GM washer M8
for cylinder head screw
1,36 EUR
incl. 20% tax excl. Shipping costs
GM NX washer M11
SOLD OUT
GM NX washer M11
for cylinder head screw
1,08 EUR
incl. 20% tax excl. Shipping costs
GM screw M10x35x1.25 10.9
GM screw M10x35x1.25 10.9
for cylinder
2,82 EUR
incl. 20% tax excl. Shipping costs
GM washer M10
GM washer M10
for cylinder screw
1,21 EUR
incl. 20% tax excl. Shipping costs
GM thread insert M10x1,25
GM thread insert M10x1,25
for cylinder head & housing
3,49 EUR
incl. 20% tax excl. Shipping costs
GM NX circlip I30
SOLD OUT
GM NX circlip I30
for timing cover
0,72 EUR
incl. 20% tax excl. Shipping costs
GM NX circlip I37
SOLD OUT
GM NX circlip I37
for timing cover
0,72 EUR
incl. 20% tax excl. Shipping costs
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.