Advanced — 4+ hours
Description
JE Pistons has over 75 years of experience in motorsports, and this piston is designed for specific engines to provide durability and performance. It includes a press-fit or floating wrist pin and retainers. The piston has a bore of 4.125 inches and a compression height of 1.125 inches.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | JE Pistons |
| Part Number | J001 242890R |
Videos
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Introducing the Strongest Pistons in Powersports | JE Ultra Series
JE Pistons Asymmetrical Design Overview
The go to Ring compressor tool to install your pistons without damaging the piston rings. #rsgarage
Stock vs race pistons: Which is better?
Difference Between 2618 and 4032 Forged Pistons
How to identify your JE Pistons
2618 or 4032? Tips for Choosing the Best Piston Alloy for Your Performance Engine from RaceTec
How do you file down Piston Rings? #shorts #short #shortvideo #shortsfeed #youtube #video #tricks
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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