What is the compression ratio of these pistons?

These Mahle pistons are designed to achieve a 10.3:1 compression ratio when used with suitable cylinder heads. The -8.1cc dish volume contributes to this ratio.

Are these pistons compatible with all Chrysler Big Block engines?

This piston set is specifically designed for Chrysler Big Block engines displacing 446 cubic inches. It's important to verify your engine's specifications to ensure compatibility.

What is included in this piston set?

This set includes eight Mahle MS forged pistons, eight 0.990-inch wrist pins, and the necessary clips for installation. It is a complete set for an 8-cylinder engine.

Mahle BBM Piston Set 4.350in Bore 929962750

Name: Mahle MS Piston Set BBM 445ci 4.350in Bore 3.75in Stroke 6.76in Rod 0.990 Pin -8cc 10.3 CR Set of 8
Brand: Mahle
SKU: mahle-mahle-ms-piston-set-bbm-445ci-4-350in-bore-3-75in-stroke-6-76in-rod-0-990--t14-191485
Price: 886.31 USD
Availability: BackOrder

Mahle MS Piston Set BBM 445ci 4.350in Bore 3.75in Stroke 6.76in Rod 0.990 Pin -8cc 10.3 CR Set of 8

$886.31

On Backorder

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

Mahle BBM Piston Set for Chrysler Big Block 446 cu in. Features 4.350in bore and 10.3 CR for improved performance.

Key Features

This set includes eight Mahle MS forged pistons.
Designed for a 445 cubic inch (446cid) engine build.
Features a 4.350-inch bore and a -8.1cc dish volume.
Works with a 3.750-inch stroke and a 6.760-inch connecting rod.
Includes 0.990-inch wrist pins.
Constructed from 4032 aluminum for durability.

These pistons are designed for Chrysler Big Block 446 cu in. engines. Not CARB approved and cannot ship to California.

⚠️ 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

This set includes eight Mahle MS forged pistons, designed for a 445 cubic inch (446cid) engine build. These pistons feature a 4.350-inch bore and are engineered to work with a 3.750-inch stroke and a 6.760-inch connecting rod. The included 0.990-inch wrist pins are also part of this comprehensive set.

Crafted from 4032 aluminum, these pistons are built for durability and performance in demanding engine applications. They have a dish volume of -8.1cc, contributing to a 10.3:1 compression ratio when paired with appropriate cylinder heads. Each piston weighs 608 grams, a specification that helps balance the rotating assembly for smoother operation. This set is a solid option for anyone rebuilding or upgrading a Chrysler Big Block engine.

Please note that these pistons are not CARB approved and cannot be shipped to California. It's always a good idea to consult your engine builder or a professional mechanic to ensure these pistons are the right fit for your specific build and to review the manufacturer's installation guidelines.