Engines and Components› Pistons and Piston Rings

JE Pistons

LS ASYM DOME 3.9STRK

$211.10

SKU: J001 324021R

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Special Order
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The JE Pistons 324021R is a single LS engine piston designed for Chevrolet LS Gen III/IV engines. It features a forged aluminum construction and a dome style with two valve reliefs. The piston has a bore of 4.185 inches and a compression height of 1.165 inches. It is intended for the right side of the engine and is made from 2618 alloy forged aluminum.

Fitment

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Specifications

BrandJE Pistons
Part NumberJ001 324021R

Videos

How to identify your JE Pistons

How to identify your JE Pistons
StreetLegalTV.com-JE Pistons with their latest LS series

StreetLegalTV.com-JE Pistons with their latest LS series
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Piston Coatings 101: Which is the Right One for You?
Why Forged Pistons Are BETTER Than Cast | JE Ultra Series Pistons [TECH TALK]

Why Forged Pistons Are BETTER Than Cast | JE Ultra Series Pistons [TECH TALK]
Which Forged Pistons Are Right For Your Build? | 🏁 Fast Facts

Which Forged Pistons Are Right For Your Build? | 🏁 Fast Facts
Cast vs. Forged Pistons: Which One is Best for Your Engine?

Cast vs. Forged Pistons: Which One is Best for Your Engine?
Custom Pistons 101: What you Need to Know

Custom Pistons 101: What you Need to Know
Are Piston Coatings Worth Having AND Can Coatings Save Your Engine? [TECH TALK]

Are Piston Coatings Worth Having AND Can Coatings Save Your Engine? [TECH TALK]
What Are Abradable Coatings On Pistons? Is It Worth Adding? - Jays Tech Tip

What Are Abradable Coatings On Pistons? Is It Worth Adding? - Jays Tech Tip
Stock vs race pistons: Which is better?

Stock vs race pistons: Which is better?
Introducing the Strongest Pistons in Powersports | JE Ultra Series

Introducing the Strongest Pistons in Powersports | JE Ultra Series
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Which SRP Piston is Right for You?
JE Pistons New Asymmetric Piston Design - SEMA 2011

JE Pistons New Asymmetric Piston Design - SEMA 2011
ICON FORGED PISTONS, why you need them!!

ICON FORGED PISTONS, why you need them!!
JE Pistons Debuts a New Line of "Pro Seal" MLS Head Gaskets

JE Pistons Debuts a New Line of "Pro Seal" MLS Head Gaskets
JE Pistons Powersports "Pro Series" Overview

JE Pistons Powersports "Pro Series" Overview
Difference Between 2618 and 4032 Forged Pistons

Difference Between 2618 and 4032 Forged 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.

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