Engines and Components› Pistons and Piston Rings
JE Pistons
LS ASYM FT 3.900STRK
SKU: J001 323990R
Advanced — 4+ hours
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 323990R |
Videos
Piston Coatings 101: Which is the Right One for You?
Which Forged Pistons Are Right For Your Build? | 🏁 Fast Facts
Difference Between 2618 and 4032 Forged Pistons
ICON FORGED PISTONS, why you need them!!
How to flycut pistons on GM's LS & LT engines with GPI's Flycut Tool
Bottom End Buyers Guide - How to Choose the RIGHT Pistons Rods Bearings Studs Gaskets Cranks Sleeves
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.
View Full Return Policy