Engines and Components› Pistons and Piston Rings
JE Pistons
GM LT1 ASYMMETRICAL
SKU: J001 338686L
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 338686L |
Videos
Piston Coatings 101: Which is the Right One for You?
GPI Drop-In Pistons, Spark Plug Clearance, and Compression - What You Need to Know!
Cast vs. Forged Pistons: Which One is Best for Your Engine?
Answering YOUR questions about our LT1 / L86 / L83 Drop-In Piston Rod Combo!
Stock vs race pistons: Which is better?
Which Forged Pistons Are Right For Your Build? | 🏁 Fast Facts
Pray Performance reviews the GPI Drop In rod/pistons combo for the LT engine
A Better Way to Install Rods on Pistons
Piston Options - What to look for when buying pistons for your 2JZ | RS Garage Jays Tech Tips
Forged vs Cast Piston Strength!
Which SRP Piston is Right for You?
How to identify your JE Pistons
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