What is the compression ratio with these pistons?

These Mahle MS pistons feature a -6.5cc dish volume. When used with the appropriate cylinder heads and crankshaft for a 348 cubic inch Ford Small Block, they are designed to achieve a 10.1:1 compression ratio.

What material are these pistons made from?

The pistons in this set are constructed from 4032 aluminum. This material is chosen for its strength and favorable thermal expansion characteristics, making it suitable for high-performance and race engine applications.

Are these pistons legal for use in California?

No, these pistons are not CARB approved and cannot be shipped to California. They are intended for sealed race engines where emissions regulations may differ.

Mahle SBF 348ci Piston Set 4.042in Bore 930244742

Name: Mahle MS Piston Set SBF 348ci 4.042in Bore 3.4in Stroke 5.4in Rod 0.927 Pin -6cc 10.0 CR Set of 8
Brand: Mahle
SKU: mahle-mahle-ms-piston-set-sbf-348ci-4-042in-bore-3-4in-stroke-5-4in-rod-0-927-pi-t14-132324
Price: 783.94 USD
Availability: BackOrder

Mahle MS Piston Set SBF 348ci 4.042in Bore 3.4in Stroke 5.4in Rod 0.927 Pin -6cc 10.0 CR Set of 8

$783.94

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 SBF 348ci engines. Features a 4.042in bore and 10.1 compression ratio for improved performance.

Key Features

Fits Ford Small Block 348/349 cu in. engines.
4.042 inch bore diameter.
3.4 inch stroke compatibility.
Designed for 5.4 inch connecting rods.
Features a 0.927 inch wrist pin.
-6.5cc piston dish volume.

⚠️ 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 sealed race engine for your Ford Small Block, Mahle's MS Piston Set is a solid choice. This set is specifically designed for 348 cubic inch engines, offering a 4.042-inch bore and a 3.4-inch stroke, working with a 5.4-inch rod and a 0.927-inch pin. These pistons are crafted from 4032 aluminum, a material known for its strength and thermal expansion properties, making it well-suited for high-performance applications. Each piston weighs in at 406 grams and features a -6.5cc dish volume, contributing to a 10.1:1 compression ratio when paired with the right components.

Mahle has a long-standing reputation for well-built engine components, and this piston set is no exception. The 4032 aluminum construction offers a good balance between durability and weight, which is crucial for engine performance. The precise dish volume and pin size are engineered to work seamlessly within the Small Block Ford platform, ensuring a proper fit and function. Remember that these pistons are intended for race engines and are not CARB approved, meaning they cannot be shipped to California. Ensure you have the correct supporting components, such as the appropriate cylinder heads and crankshaft, to achieve the intended compression ratio and performance goals for your build.