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JE Piston Kit

4.3 (3 reviews)

$33.25 - $241.60

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How To Video - Dirt Bike 4 Stroke Top End Installation

Product Details

JE Pistons is an exlusive NASCAR Performance Partner feature high performance forged pistons that are CNC machined and engineered for specific oil control. Pin bores, wrist pins, and locks are factory honed.

Specifications and Options

Brand JE Pistons
Bore Size (mm) 100mm STD, 100mm+4mm, 102mm STD, 66mm, 76mm STD, 77mm, 77mm STD, 78mm STD, 79mm+2mm, 80mm+2mm, 83mm STD, 85mm+2mm, 86mm+1mm, 87mm+2mm, 88mm+3mm, 89mm+4mm, 90mm STD, 94mm STD, 94mm+4mm, 95.5 STD, 95.5mm STD, 95.5mm+5.5mm, 95mm STD, 96, 96.0mm STD, 96mm STD, 96mm+2mm, 97mm, 98mm+2mm, 98mm+3mm, 99.2mm STD
Compression 10.6:1, 10.75, 10.8:1, 11.0:1, 11.5:1, 11:1, 12.0:1, 12.5:1, 12.8:1, 12:1, 13.0:1, 13.5:1, 13.8:1, 14.0:1

Q & A

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Browse 3 questions Browse 3 questions and 3 answers
will the piston come with evrything needed for install except gaskets?
Will this piston work with the hot rods complete crank?
Tom Moerman on Sep 1, 2012
BEST ANSWER: Thank you for your question. Yes all the necessary parts are included in the kit, except the gaskets. Yes this kit will work with any bottom end components O.E.M. or not.
for my bike 2003 crf450r it is showing 2 different models at the same price. what is the difference of the two?
Shane on Jul 2, 2012
BEST ANSWER: Thanks for your question! 1523167 is for the 12.5:1 compression, and 1523168 is for the 13.5:1 compression. We will get this updated with the correct information!
Does the kit come with all necessary gaskets?
boogy on Jun 22, 2012
BEST ANSWER: Good Question! Gaskets would be sold separately. (see link for example of kit that might be offered for your model)


4.3 / 5.0
3 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Would you recommend
Yes (2)
No (1)
Rated 3 out of 5
Would you recommend
Good price , slow shipping
Just got my piston in the mail yesterday. It took way longer than the shipping said it would. Was a good price but , An eternity has passed by it seams. Haven't installed it yet . All I can say is I hope it's good. If you live closer it may b good for you. Orderd 22nd received on the 5th.. 4 corners ,USA
January 6, 2015
Rated 5 out of 5
Would you recommend
Beautifully made
Installed in TRX 450 power to spare at the Glamis Dunes
September 7, 2014
Rated 5 out of 5
Would you recommend
Amazing piston kit
I put this piston in my 2008 CRF250R. As soon as i got done with the heat cycles and got to ride it all out, the power difference from a stock piston is amazing. I could tell the throttle response, low, mid and top end power puts a stock piston to shame. The only set back i have experienced with it is that it runs best with 110 race fuel. The cost of the fuel is the only set back. But if you are a full blown racer, then these costs are nothing compared to the power and performance you get with this piston.
December 19, 2011
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