What is the compression ratio achieved with these pistons?

These Mahle pistons feature a 4cc dish volume. When used with appropriate cylinder heads and gaskets for a 414 cubic inch Small Block Chevrolet engine, this configuration typically results in a 13.3:1 compression ratio.

What material are these pistons made from and why is it important?

The pistons are constructed from 2618 aluminum. This is a strong and durable alloy commonly used in high-performance applications because it can withstand the high temperatures and pressures found in powerful engines.

Are these pistons legal for use in California?

No, these pistons are not CARB approved and cannot be shipped to California. They are also subject to California's Prop 65 warning.

Mahle SBC 414ci Piston Set 930208625

Name: Mahle MS Piston Set SBC 414ci 4.125in Bore 3.875in Stroke 6.0in Rod .927 Pin 4cc 13.3 CR Set of 8
Brand: Mahle
SKU: mahle-mahle-ms-piston-set-sbc-414ci-4-125in-bore-3-875in-stroke-6-0in-rod-927-pi-t14-29528
Price: 923.24 USD
Availability: BackOrder

Mahle MS Piston Set SBC 414ci 4.125in Bore 3.875in Stroke 6.0in Rod .927 Pin 4cc 13.3 CR Set of 8

$923.24

On Backorder

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

Mahle MS Piston Set for SBC 414ci engines. Features 4.125in bore and 4cc dish for a 13.3 CR.

Key Features

Fits Chevrolet Small Block 414 cu in engines.
Designed for a 4.125 inch bore and 3.875 inch stroke.
Utilizes a 6.0 inch connecting rod and a 0.927 inch wrist pin.
Features a 4cc dish volume for a 13.3 compression ratio.
Constructed from 2618 aluminum for strength and durability.
Each piston weighs 459 grams.

This piston set is designed for Chevrolet Small Block 414 cu in engines. Please verify compatibility with your specific engine configuration.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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Product Details

If you're building a high-performance Chevrolet Small Block engine aiming for around 414 cubic inches, this Mahle MS Piston Set is a solid choice. These pistons are specifically designed for a 4.125-inch bore and a 3.875-inch stroke, working with a 6.0-inch connecting rod and a 0.927-inch wrist pin. They feature a 4cc dish volume, which helps achieve a 13.3 compression ratio when paired with the right cylinder heads and gasket combination.

Mahle is well-known for its engine components, and this set is built from 2618 aluminum, a material commonly used in performance pistons for its strength and ability to handle high temperatures and pressures. Each piston weighs in at 459 grams, which is a good balance for durability and rotational mass in a performance application. The MS series pistons are designed to be a reliable foundation for your engine build, whether it's for racing, serious street performance, or a powerful custom build.

Keep in mind that these pistons are not CARB approved and cannot be shipped to California due to emissions regulations. They are also subject to California's Prop 65 warning. For optimal performance and longevity, ensure these are installed by a qualified professional who can adhere to all manufacturer specifications and proper engine assembly procedures.