Engines and Components› Pistons and Piston Rings

JE Pistons

BMW S14B23 13.0 KIT

$314.99

SKU: J001 321363S

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Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

JE Pistons 321363S is an FSR Piston Set for the BMW M3 S14 engine, with a 94mm bore, 13.0:1 compression ratio, and stock 84mm stroke. It features 2618 material pistons and 5115 low carbon steel, case hardened piston pins.

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

BrandJE Pistons
Part NumberJ001 321363S

Videos

NLAM3 Part 31 How To Build An S14 Complete Build Video

NLAM3 Part 31 How To Build An S14 Complete Build Video

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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