Engines and Components› Pistons and Piston Rings
JE Pistons
4.6L 4V MODULAR 11:1
SKU: J001 314638L
Advanced — 4+ hours
Description
Engineered, forged, and machined in the USA, these pistons are built for demanding performance applications. They incorporate features like a proprietary Forged Side Relief (FSR) forging design to minimize friction and power loss, and some applications may include a skirt coating to reduce wear and noise, as well as an accumulator groove to improve ring seal.
Fitment
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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
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Specifications
| Brand | JE Pistons |
| Part Number | J001 314638L |
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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