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 engine kit
Engine kit consisting of unworked parts for a 500cm3 GM Speedway engine
from 3.691,20 EUR
incl. 20% tax excl. Shipping costs
GM cylinder head
Available in 5 versions
from 732,48 EUR
incl. 20% tax excl. Shipping costs
GM NX head ready to use
SOLD OUT
ready to use
3.480,96 EUR
incl. 20% tax excl. Shipping costs
GM head ready to use
complete
Camshaft:
3.326,40 EUR
incl. 20% tax excl. Shipping costs
GM cylinder head cover
58,75 EUR
incl. 20% tax excl. Shipping costs
Cylinder screw with hexagon socket ISO 4762 M6x20
for GM cylinder head cover, rubber intake stub, timing cover, ignition cover & oil sump cover
Used to be 0,40 EUR
Now only 0,30 EUR
incl. 20% tax excl. Shipping costs
GM exhaust flange
9,70 EUR
incl. 20% tax excl. Shipping costs
GM NX exhaust flange
SOLD OUT
8,40 EUR
incl. 20% tax excl. Shipping costs
Round head screw with hexagon socket ISO 7380-1 M8x30 with spring washer
for GM exhaust flange
0,76 EUR
incl. 20% tax excl. Shipping costs
GM exhaust pipe connector
17,84 EUR
incl. 20% tax excl. Shipping costs
GM rubber intake stub
Available in 3 versions
53,41 EUR
incl. 20% tax excl. Shipping costs
GM thread insert M8x1,25
for cylinder head
3,49 EUR
incl. 20% tax excl. Shipping costs
GM safety-washer
for camshaft
1,43 EUR
incl. 20% tax excl. Shipping costs
Countersunk bolt with hexagon socket ISO 10642 M5x12 12.9 black
for GM camshaft safety washer
0,38 EUR
incl. 20% tax excl. Shipping costs
GM woodruff key
for camshaft
0,83 EUR
incl. 20% tax excl. Shipping costs
GM needle bearing 12x12 for camshaft
18,55 EUR
incl. 20% tax excl. Shipping costs
GM camshaft
Available in the following types: P04, P07, P15 & P34
Other camshaft types on request
237,31 EUR
incl. 20% tax excl. Shipping costs
GM NX camshaft
SOLD OUT
Camshaft types on request
238,80 EUR
incl. 20% tax excl. Shipping costs
GM sprocket wheel carrier
SOLD OUT
33,55 EUR
incl. 20% tax excl. Shipping costs
GM NX sprocket wheel carrier
SOLD OUT
29,28 EUR
incl. 20% tax excl. Shipping costs
GM washer for camshaft
4,73 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.