What is the specific bore size and compression height for these pistons?

These pistons are designed for a 4.500 inch bore. The compression height (CD) is 1.120 inches, and they use a 0.990 inch wrist pin. The dome volume is 40.0 cc.

Are these pistons suitable for a street-driven vehicle?

While forged pistons are built for high performance, the skirt coating and FSR design can help reduce friction and noise, making them a viable option for serious street builds. However, they are not CARB approved and cannot be shipped to California due to emissions regulations.

What else might I need to install these pistons?

You will typically need matching piston rings, wrist pins (though these are often included with the pistons), connecting rods, and the necessary engine assembly tools. Always refer to the manufacturer's detailed installation instructions for specific requirements and recommendations.

JE Pistons BBC .480 Dome Piston Set 258216

Name: JE Pistons BBC .480 DOME Set of 8 Pistons
Brand: JE Pistons
SKU: je-pistons-je-pistons-bbc-480-dome-set-of-8-pistons-t14-295695
Price: 1052.79 USD
Availability: BackOrder

JE Pistons BBC .480 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 BBC .480 DOME Set of 8 Pistons. Forged in the USA for high-demand performance.

Key Features

Fits Big Block Chevrolet (BBC) engines.
Set includes 8 forged pistons.
Constructed from 2618 aluminum for high tensile strength.
Features proprietary Forged Side Relief (FSR) design for reduced friction and weight.
May include an accumulator groove to improve ring seal and reduce flutter.
Skirt coating (application dependent) reduces friction and wear.

These pistons are designed for Big Block Chevrolet (BBC) engines with a 4.500 inch bore. They are not CARB approved and cannot be shipped to California.

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Product Details

If you're building a high-performance Big Block Chevrolet (BBC) engine, these JE Pistons are a solid choice. This set includes eight pistons, each forged from 2618 aluminum right here in the USA. This material is known for its high tensile strength, which is exactly what you need when you're pushing an engine hard, whether that's on the drag strip or in a serious street build.

JE Pistons has been around for a long time, and they've put that experience into these pistons. They feature a proprietary Forged Side Relief (FSR) design, which means the skirt is narrower and shorter, cutting down on friction and saving weight. This design, along with a shorter wrist pin, contributes to less power loss. Depending on your specific application, these pistons might also come with an accumulator groove. This groove helps manage combustion gas pressure, reducing ring flutter and ensuring a consistent seal for reliable power delivery. Some applications also include a skirt coating that further reduces friction and wear on the piston skirts and cylinder walls, which can also quiet things down a bit and help with break-in.

These pistons are designed specifically for the BBC engine and the demands of performance use, aiming for a good balance of durability and optimized performance. Keep in mind that these are not CARB approved and cannot be shipped to California. You'll also want to check the manufacturer's instructions for any specific installation requirements, like pin selection or ring gap settings, to ensure you get the most out of this well-built set.