With 50 years experience serving the Pros, JE
Pistons is the world's leader in high
performance forged pistons for automotive,
marine and motorcycle applications. All piston
kits sold by MXR consist of a Piston,rings,wrist
pin, and Circlips. Uses stock head gasket. We
recomend new gaskets. Listed below are the
makes and models and what compression ratio
is offerd. If we do not have your machine
model please  
Email us and we will assist you 7
days a week.  When you use the buy now
option email us and let us know the model and
piston you wish to receive. We accept all major
credit cards and also www.paypal.com Again
email us to place an order.
Kawasaki ATV's
KFX/KLX400 00-05
12:1 Standard Bore
13:5:1 Standard Bore
*416cc +2mm=12:1 requires +2mm bore
*434cc +4mm=12:1 requires +4mm bore
*440cc +4.5mm=13:5:1 requires+4mm bore
*450cc +5.5mm=13:1 requires +5.5mm bore

KFX700 03-05
11:1 Standard Bore
*797cc +5mm 11:1
$150+8 to ship
Yamaha ATV's
Suzuki ATV's
DRZ/LTZ400 00-05
12:1 Standard Bore
13:5:1 Standard Bore
*416cc +2mm=12:1 requires +2mm bore
*434cc +4mm=12:1 requires +4mm bore
*440cc +4.5mm=13:5:1 requires+4mm bore
*450cc +5.5mm=13:1 requires +5.5mm bore
$150+8 shipping
YFZ450
* 12.5:1
* 13.5:1
* 450cc +1mm=13:1 Requires +1mm  bore
* 460cc +2mm=13:1 Requires +2mm bore
* 468cc +3mm=13:1 Requires +3mm bore
Raptor 660R and Grizzly 660 02-04
* 10.75:1
* 12:1
* 673cc +1mm=10.75:1 or 12:1=Requires +1mm Bore
* 686cc +2mm=10.75:1 or 12:1=Requires +1mm Bore
* 727cc +5mm=12:1=Requires +5mm bore
$150+8 shipping
Solution Graphics
Honda ATV's
TRX250EX:
11:5:1+6mm over bore
XR400/TRX400EX 96-05:
* 10:5 Standard Bore
* 12:1 Standard Bore
* 406cc +1mm=10.6 requires +1mm bore
* 416cc +2mm=10.8 requires +2mm bore
* 416cc +2mm=12.1 requires +2mm bore
* 426cc +3mm=11.1+3mm
* 426cc +3mm=13.1+3mm
* 435cc +4mm=12.1+4mm
TRX450R
* 13:1    Standard bore
* 11.5:1 Standard bore
* 469cc +2mm=13:1 Requires +2mm Bore
* 500cc +5mm=12:1 Requires +5mm Bore

 $150+8 to shipped