Engine Performance
We build motors, call for your needs.  New 70cc H2o National
motor is wicked fast!  Complete motor comes with carb and our
custom designed exhaust system.  Call for price.  
We are trying to keep pricing up to date but, the economy here and
overseas is fluctuating alot so pricing might not be accurate.
Get ready for some speed!  Mild to wild, these parts will make your machine FLY!  
Depending on how fast you want to go, complete packages are available or you
can do it piece by piece until your child is ready to handle the horsepower.  
We will put together a High Performance Package to fit your needs.
50cc Racing Cylinder Kits

What more power out of that 50!  Bolt on
one of these high performance cylinder
kits. Complete with head.  Malossi and
Polini Kits.

Malossi 50cc Air cooled: $279.95
Aluminum 50cc Liquid Cooled: $299.95
KoolKidz
Airsal 70cc Racing Cylinder Kit

Aluminum cylinder, head, piston, ring and
clips.  Complete kit!  Boost that 50's power
up to a 70cc!  50cc Airsal kit also.

Air cooled 70 kit: $209.95
70cc H2o Aluminum Cylinder Kit

Aluminum liquid cooled cylinder, head,
piston, rings, clips, gaskets.  Complete kit!  
Absolutely the best quality!

Polini Liquid Cooled $449.00
70cc Cast Iron Liquid Cooled: $199.00
KoolKidz
Malossi 70cc Aluminum Cylinder Kit

Aluminum cylinder, head, piston, rings,
clips, gaskets and reeds.  Complete kit!  
This kit flys!!!  Aircooled Kits.


70cc Kit: $349.00
KoolKidz
Airsal 90cc Racing Cylinder Kit

52mm Aluminum cylinder, head, piston,
rings, clips and gaskets.  Complete kit and
then some!  Fast!

52mm Kit: $249.95
KoolKidz
52mm Aluminum H2o Cylinder Kit

Aluminum liquid cooled cylinder, head,
piston, rings, clips and gaskets.

Coming Soon!


Coming Soon!
54mm Big Bore Kits Air and Liquid Cooled

54mm cylinder, head, gaskets, piston and
rings.

54mm Air Cooled: $249.00

54mm Liquid Cooled: $279.00

Ported with head mods: $525.00
KoolKidz
Water Cooled 90cc Kit Complete!

Complete top end, plus water pump,
radiator, overflow bottle, hoses and
clamps. Everything you need to make the
transition.
Mechanical or electrical pump.

$344.95
KoolKidz
Airsal Blaster Racing Cylinder Kit

Aluminum cylinder, piston, rings, clips and
gaskets.  Complete kit!  Very Fast! See
exhausts page for the pipe designed
specifically for these cylinders!



66mm Kit: $474.95
71mm Kit: $514.95 (240cc)
KoolKidz
Racing Crankshafts

This is the heart of the motor.  If you want
maximum performance you need this! Call
for your needs.  Others available.

50 Full Circle Crank $249.95
50cc Stuffer $129.95
42mm Stuffer $129.95
45mm Crank: $179.95
47mm Stuffer: $139.95
KoolKidz
Airsal Replacement Piston Kits


47.6mm: $84.95
52mm: $94.95
66mm: $99.95 (Blaster)
71mm: $99.95 (Blaster 240cc)


Piston, Ring, pin, clips and
gaskets.
OEM Replacement Piston and Rings Kits

Piston, rings, clips, top and bottom
gaskets.  Standard and oversize bore.

(40mm, 47, 50mm, 52mm, 53mm and
54mm)
$74.95
Rings only: 14.95
KoolKidz
Starter & Oil Cover Plate

Removing your starter and want to cover
the hole with a nice aluminum plate. Oil
block off plate.  Kool Kidz ATV logo built in.


Either: $16.95
Klotz R50 Pre-mix

We recommend and use R50 for all our
pre-mix race quad motors.

$8.50/16 oz.
Air Shroud Cover

Dress it up!  Dad can't have all the fun. Let
the kids do this one.  

Chrome or Carbon Fiber

$29.95
KoolKidz
Prices Subject to Change without Notice

Picture may not represent exact item.