Advanced — 4+ hours
Description
MIA's Description
This piston has a bore diameter of 4.130 inches and a compression height of 1.065 inches. It is designed to be compatible with GM LS7/LSX 12-degree cylinder heads and has a flat top piston head type. The piston material is 2618 aluminum, and it includes a wrist pin. The piston volume is -2cc.
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 311911R |
Videos
Piston Coatings 101: Which is the Right One for You?
How to identify your JE Pistons
Cast vs. Forged Pistons: Which One is Best for Your Engine?
Which Forged Pistons Are Right For Your Build? | 🏁 Fast Facts
StreetLegalTV.com-JE Pistons with their latest LS series
Stock vs race pistons: Which is better?
Piston Options - What to look for when buying pistons for your 2JZ | RS Garage Jays Tech Tips
A Better Way to Install Rods on Pistons
Forged vs Cast Piston Strength!
EXCESSIVE Piston to Bore Clearance?
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