Product images and videos are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Engines and Components› Pistons and Piston Rings
JE Pistons
4.6L 4V MOD STR 9.5
SKU: J001 314647L
Advanced — 4+ hours
Overview
Constructed from 2618 aluminum, this piston offers high tensile strength for demanding applications. It incorporates JE Pistons' proprietary Forged Side Relief (FSR) design to minimize friction and power loss while saving weight. The piston may also feature skirt coating to reduce friction and wear, and an accumulator groove to improve ring seal.
Show original supplier description
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
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 314647L |
Videos
How to identify your JE Pistons
Introducing the Strongest Pistons in Powersports | JE Ultra Series
JE Pistons Asymmetrical Design Overview
Piston Coatings 101: Which is the Right One for You?
StreetLegalTV.com-JE Pistons with their latest LS series
JE Ultra Series: Feature-Rich, Power-Ready Pistons off the Shelf
Why Forged Pistons Are BETTER Than Cast | JE Ultra Series Pistons [TECH TALK]
Custom Pistons 101: What you Need to Know
How to Measure Piston to Wall Clearance on a JE Perfect Skirt Piston
Cast vs. Forged Pistons: Which One is Best for Your Engine?
About MOTORMIA
Buy with Confidence
Returns & Fitment
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 PolicyShipping
Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.
Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.
View Full Shipping Policy