What is the bore size and compression distance for these pistons?

These pistons have a 4.185-inch bore and a 1.062-inch compression distance. They are designed for the 400 SBC engine application.

Are these pistons suitable for street use?

While forged pistons are built for high performance, their primary design is for racing applications. Features like skirt coatings can help reduce noise and wear, making them more streetable than some other high-performance options. However, they are not CARB approved and cannot be shipped to California.

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

The FSR design minimizes friction and power loss by reducing the piston skirt width. It also saves additional weight by using a shorter wrist pin, contributing to overall engine efficiency and performance.

JE Pistons 400SBC Dome Piston Set 207514

Name: JE Pistons 400SBC .305 DOME Set of 8 Pistons
Brand: JE Pistons
SKU: je-pistons-je-pistons-400sbc-305-dome-set-of-8-pistons-t14-295419
Price: 1052.79 USD
Availability: BackOrder

JE Pistons 400SBC .305 DOME Set of 8 Pistons

$1052.79

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 400SBC .305 Dome Piston Set of 8. Forged in the USA for high-demand performance.

Key Features

Set of 8 forged pistons for 400 SBC engines.
Features a .305 dome for specific compression ratio tuning.
Forged in the USA from 2618 aluminum for high tensile strength.
Proprietary Forged Side Relief (FSR) design minimizes friction and power loss.
May include an accumulator groove to improve ring seal and reduce fluttering.
Skirt coating (application dependent) reduces friction and cylinder wall wear.

This piston set is designed for 400 SBC engines. Please verify compatibility with your specific engine build.

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Product Details

If you're building a high-performance 400 SBC engine, JE Pistons offers a well-built set of 8 pistons designed to handle serious power. These pistons feature a .305 dome, which is crucial for achieving specific compression ratios in your build. JE Pistons has been making forged pistons for over 75 years, and they engineer these for demanding racing applications, from dirt tracks to drag strips.

These pistons are forged in the USA using 2618 aluminum, a material chosen for its high tensile strength, making them suitable for high-demand performance engines. They incorporate JE's proprietary Forged Side Relief (FSR) design, which helps minimize friction and power loss by reducing skirt width and using a shorter wrist pin for weight savings. Depending on the specific application, these pistons may also include an accumulator groove to reduce combustion gas pressure, improving ring seal and maintaining consistent power. A skirt coating, also application-dependent, further reduces friction and wear on the piston skirts and cylinder walls, contributing to quieter operation.

This set includes pistons with a 4.185-inch bore and a 1.062-inch compression distance, designed specifically for the 400 SBC engine. They are sold as a set of 8. Please note that these pistons are not CARB approved and cannot be shipped to California.