What material are these JE Pistons made from?

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

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

The FSR design helps minimize friction and power loss by using a reduced skirt width. It also saves additional weight with a shorter wrist pin, contributing to overall engine efficiency.

Are these pistons compatible with all Big Block Chevrolet engines?

This set is specifically designed for BBC engines in heavy-duty or blown applications. They feature a 4.320-inch bore and a flat top design. It's important to confirm compatibility with your specific engine build, and note they are not CARB approved for California.

JE Pistons Forged Piston Set 257989

Name: JE Pistons BBC FT HD/BLOWN Set of 8 Pistons
Brand: JE Pistons
SKU: je-pistons-je-pistons-bbc-ft-hd-blown-set-of-8-pistons-t14-295670
Price: 1052.79 USD
Availability: BackOrder

JE Pistons BBC FT HD/BLOWN 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 BBC FT HD/BLOWN Set of 8 Pistons. Forged in the USA from 2618 aluminum for high-demand performance.

Key Features

Fits Big Block Chevrolet (BBC) engines for heavy-duty or blown applications.
Forged in the USA using 2618 aluminum for high tensile strength and durability.
Features a proprietary Forged Side Relief (FSR) design to minimize friction and power loss.
Includes a 4.320-inch bore size and a flat top piston design.
Comes with a 0.990-inch wrist pin.
May include an accumulator groove to reduce combustion gas pressure and improve ring seal.

This piston set is designed for Big Block Chevrolet (BBC) engines. Not CARB approved and cannot ship to California.

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Product Details

JE Pistons has been a leader in forged racing pistons for over 75 years, and they've put that experience into this set of BBC FT HD/BLOWN pistons. These are built for high-demand performance applications, forged right here in the USA from 2618 aluminum, which gives them the strong tensile strength needed when you're pushing your engine hard. They're designed specifically for the Big Block Chevrolet engine and for heavy-duty or blown applications, aiming for the best balance of durability and performance.

You'll find some advanced features here that help make these pistons work better and last longer. The proprietary Forged Side Relief (FSR) design uses a narrower skirt and a shorter wrist pin to cut down on friction and weight, which means less power loss. Depending on the specific application, you might also get an accumulator groove that helps manage combustion gas pressure, reducing ring flutter and keeping a consistent seal for steady power. Some applications also include a skirt coating that works to reduce friction and wear on the piston skirts and cylinder walls, which can also help quiet things down a bit during operation.

This set includes eight pistons, each with a 4.320-inch bore and a flat top design. The kit comes with a 0.990-inch pin. Keep in mind that these are not CARB approved and cannot be shipped to California. If you're building a high-performance Big Block Chevy for serious use, these pistons are made to handle it.