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 spring wire clip for oil level pipe
GM spring wire clip for oil level pipe
Used to be 0,55 EUR
Now only 0,30 EUR
incl. 20% tax excl. Shipping costs
GM engine 250cc Beginner
GM engine 250cc Beginner
ready to race
4.548,00 EUR
incl. 20% tax excl. Shipping costs
GM engine 250cc Racer
GM engine 250cc Racer
ready to race
4.914,00 EUR
incl. 20% tax excl. Shipping costs
GM 250 exhaust valve
GM 250 exhaust valve
42,34 EUR
incl. 20% tax excl. Shipping costs
GM 250 intake valve
GM 250 intake valve
47,71 EUR
incl. 20% tax excl. Shipping costs
GM 250 valve springset
GM 250 valve springset
double spring (4+4 pieces)
274,80 EUR
incl. 20% tax excl. Shipping costs
GM 250 valve spring cap steel
GM 250 valve spring cap steel
7,99 EUR
incl. 20% tax excl. Shipping costs
GM 250 valve spring cap aluminium
GM 250 valve spring cap aluminium
Available in 2 heights
7,99 EUR
incl. 20% tax excl. Shipping costs
GM 250 exhaust rocker arm
GM 250 exhaust rocker arm
168,85 EUR
incl. 20% tax excl. Shipping costs
GM 250 intake rocker arm
GM 250 intake rocker arm
168,85 EUR
incl. 20% tax excl. Shipping costs
GM 250 piston kit
GM 250 piston kit
complete
New, reinforced version
from 288,22 EUR
incl. 20% tax excl. Shipping costs
GM 250 piston pin
SOLD OUT
GM 250 piston pin
39,89 EUR
incl. 20% tax excl. Shipping costs
GM 250 piston pin circlips
SOLD OUT
GM 250 piston pin circlips
pair
2,15 EUR
incl. 20% tax excl. Shipping costs
GM 250 compression ring
GM 250 compression ring
23,52 EUR
incl. 20% tax excl. Shipping costs
GM 250 oil scraper ring set
GM 250 oil scraper ring set
threepart
23,52 EUR
incl. 20% tax excl. Shipping costs
GM NX FACTORY Speedway engine
GM NX FACTORY Speedway engine
Complete 500cm3 GM NX Speedway engine, ready to use.
5.643,60 EUR
incl. 20% tax excl. Shipping costs
GM NX engine kit
GM NX engine kit
Engine kit consisting of unworked parts for a 500cm3 GM NX Speedway engine
from 4.232,40 EUR
incl. 20% tax excl. Shipping costs
GM POWER BOMB 250cc
GM POWER BOMB 250cc
exhaust pipe
Torque and top power increase
131,40 EUR
incl. 20% tax excl. Shipping costs
GM exhaust spring
GM exhaust spring
3,72 EUR
incl. 20% tax excl. Shipping costs
GM PURE POWER 0,85l
GM PURE POWER 0,85l
High performance racing oil
21,47 EUR
incl. 20% tax excl. Shipping costs
GM fan grinder
GM fan grinder
available in 4 different grain sizes
5,69 EUR
incl. 20% tax excl. Shipping costs
GM plastic plug intake
GM plastic plug intake
44
0,86 EUR
incl. 20% tax excl. Shipping costs
GM plastic plug exhaust 46mm
GM plastic plug exhaust 46mm
for 250cc engine
0,86 EUR
incl. 20% tax excl. Shipping costs
GM plastic plug exhaust 50mm
GM plastic plug exhaust 50mm
for 500cc engine
0,86 EUR
incl. 20% tax excl. Shipping costs
GM cardboard box 25x25x50
SOLD OUT
GM cardboard box 25x25x50
9,37 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.