Engines and Components› Pistons and Piston Rings
JE Pistons
MIT 4B11 EVO X 2008+, 86MM BORE, -8
SKU: J001 K698M86
Professional / shop required
Description
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 K698M86 |
Videos
Introducing the Strongest Pistons in Powersports | JE Ultra Series
Why Forged Pistons Are BETTER Than Cast | JE Ultra Series Pistons [TECH TALK]
How to Measure Piston to Wall Clearance on a JE Perfect Skirt Piston
Custom Pistons 101: What you Need to Know
How to identify your JE Pistons
Piston Coatings 101: Which is the Right One for You?
Cast vs. Forged Pistons: Which One is Best for Your Engine?
The LIGHTEST Pistons EVER: Introducing Hollow Crown
JE Ultra Series: Feature-Rich, Power-Ready Pistons off the Shelf
Which Forged Pistons Are Right For Your Build? | 🏁 Fast Facts
Evo X Build Part 4 Assembling sleeved 4b11T and Starting it 🔥
Andre's 880 WHP EVO X Engine Refresh | Replacing Rings and bearings after 10k+ Miles of abuse!
Evo X 4B11T Stage 1 vs Stage 2 - MAP Engines
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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