Engines and Components Pistons and Piston Rings

JE Pistons

JE Pistons HARLEY Twin Cam 103 Piston Single

$299.99

SKU: J001 324729L

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Description

Forged from high-strength aluminum alloy, this JE Pistons single piston is built for the Harley Twin Cam 103 engine. This isn't just a replacement part; it's an upgrade designed to handle the demands of performance builds or when you need a reliable component for a top-end rebuild. The forged construction means it's stronger and more durable than cast pistons, offering better resistance to detonation and heat. JE Pistons is a well-known name in performance engine components, and this piston reflects that reputation. It's designed to fit right into your Twin Cam 103, making the installation process straightforward for someone familiar with engine work. When you're looking to get the most out of your Harley's engine or simply need a solid, well-built replacement, this piston is a strong option.

Fitment

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandJE Pistons
Part NumberJ001 324729L

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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