What material are these pistons made from?

These pistons are forged from 2618 aluminum. This material is chosen for its high tensile strength, which is necessary for high-demand performance applications.

What is the purpose of the Forged Side Relief (FSR) design?

The FSR design helps to minimize friction and power loss. It achieves this through a reduced skirt width and a shorter wrist pin, which also contributes to saving weight.

Are these pistons legal for sale in California?

No, these pistons are not CARB approved and cannot be shipped to California due to emissions regulations.

JE Pistons LS Piston Set 324085 - Forged Aluminum

Name: JE Pistons LS ASYM DISH / IVN DM Set of 8 Pistons
Brand: JE Pistons
SKU: je-pistons-je-pistons-ls-asym-dish-ivn-dm-set-of-8-pistons-t14-198528
Price: 975.74 USD
Availability: BackOrder

JE Pistons LS ASYM DISH / IVN DM Set of 8 Pistons

$975.74

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

JE Pistons LS ASYM DISH / IVN DM Set of 8 Pistons. Forged 2618 aluminum for high-demand performance.

Key Features

Fits 8-cylinder engines with a 4.185 inch bore.
Forged in the USA using 2618 aluminum for high tensile strength.
Proprietary Forged Side Relief (FSR) design minimizes friction and power loss.
Features a reduced skirt width and shorter wrist pin for weight savings.
May include an accumulator groove to reduce combustion gas pressure and improve ring seal.
Skirt coating (depending on application) reduces friction and wear, and lowers operating noise.

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Product Details

If you're building a high-performance LS engine, a solid set of pistons is crucial. This JE Pistons LS ASYM DISH / IVN DM Piston Set is made for demanding applications where durability and power are key. JE Pistons has been making forged racing pistons for over 75 years, and these are engineered and forged right here in the USA using 2618 aluminum, which gives them the strong tensile strength needed for high-demand performance builds.

These pistons feature a proprietary Forged Side Relief (FSR) forging design. This design helps minimize friction and power loss by using a reduced skirt width and a shorter wrist pin, which also saves weight. Depending on the specific application, you might also find an accumulator groove, which helps reduce pressure from combustion gases. This can lead to better ring seal, less ring flutter, and more consistent power delivery. Some applications also include a skirt coating that reduces friction and wear on the piston skirts and cylinder walls, helping to quiet down operation and improve longevity.

This set includes 8 pistons, each with a 4.185-inch bore. They are designed specifically for the LS engine and its intended use, aiming for optimized performance and durability. Keep in mind that these pistons are not CARB approved and cannot be shipped to California. For serious LS engine builds, these JE Pistons offer a well-built foundation.