JE Pistons
JE Pistons BMW N55B30 84mm Bore 9.5:1 Compression Ratio -14.7 Dish FSR Piston - Set of 6
SKU: J001 338096
Description
Part #: 338096
As the leader in forged racing pistons, JE Pistons has applied over 75 years of experience to its wide range of premium forged pistons for European, import and sport compact applications. Engineered, forged and machined 100% in the USA, JE Pistons are designed for each specific engine and racing application to provide the ultimate combination of durability and performance. From drift track to drag strip, JE Pistons performance is proven in victory lane time and time again. Equip your engine with the best in forged pistons.
Features:
- Forged in the USA using 2618 aluminum, yielding high tensile strength needed for high-demand performance applications
- Designed specifically for each engine and use application to provide optimized performance durability
- Proprietary Forged Side Relief (FSR) forging design minimizes friction and power loss with reduced skirt width and saves additional weight with a shorter wrist pin
- Skirt coating (depending on application) reduces friction and wear on piston skirts and cylinder walls while simultaneously reducing operating noise
- Accumulator groove (depending on application) helps reduce pressure from combustion gases, reducing ring fluttering and improving ring seal for consistent power
- Includes high-quality wrist pins, locks, and JE Pro Seal premium piston rings
- Made 100% in the USA
JE, BMW, N55B30, 3.307 in. Bore, 9.50:1, Inverted Dome/Dish, 6 Cyl. Piston Kit
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
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 338096 |
Videos
Best Pistons for BMW N54/N55/S55 Builds | Italian Rods & Pistons Review
BMW N54/N55 Engine Sleeving Explained | VAC Flanged Cylinder Sleeves for BIG Power
BMW N54 Closed Deck Conversion Explained | How to Prevent Head Gasket Failure & Block Cracking
N55 Forged Motor Build for the NewPure 750
How to identify your JE Pistons
Piston Coatings 101: Which is the Right One for You?
Introducing the Strongest Pistons in Powersports | JE Ultra Series
Which SRP Piston is Right for You?
JE Ultra Series: Feature-Rich, Power-Ready Pistons off the Shelf
How to Measure Piston to Wall Clearance on a JE Perfect Skirt Piston
FORGED S55 ENGINE! 1000bhp M4 Competition Build Episode 2
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