What is the compression ratio achieved with these pistons?

These Mahle pistons achieve a compression ratio of 8.8:1 when used with the specified components, including the -16cc dish volume.

What material are these pistons made from?

The pistons are constructed from 4032 aluminum, which is known for its strength and favorable thermal expansion characteristics for performance engines.

Are these pistons legal for use in California?

No, these pistons are not CARB approved and therefore cannot be shipped to California. They also carry a Prop 65 warning.

Mahle SBF 445ci Piston Set 930245025

Name: Mahle MS Piston Set SBF 445ci 4.125in Bore 3.25in Stroke 5.4in Rod .927 Pin -16cc 8.8 CR Set of 8
Brand: Mahle
SKU: mahle-mahle-ms-piston-set-sbf-445ci-4-125in-bore-3-25in-stroke-5-4in-rod-927-pin-t14-132014
Price: 873.09 USD
Availability: BackOrder

Mahle MS Piston Set SBF 445ci 4.125in Bore 3.25in Stroke 5.4in Rod .927 Pin -16cc 8.8 CR Set of 8

$873.09

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 445ci engines. Features a 4.125in bore and 8.8 CR for improved performance.

Key Features

Fits Ford Small Block 445ci engines.
Features a 4.125 inch bore and 3.25 inch stroke.
Designed for a 5.4 inch rod and a 0.927 inch pin.
Achieves an 8.8:1 compression ratio with a -16cc dish volume.
Constructed from 4032 aluminum for strength and thermal stability.
Each piston weighs 410 grams.

This piston set is designed for Ford Small Block 445ci engines. Please verify compatibility with your specific engine build.

⚠️ 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

Mahle is well-known for making solid engine components, and this MS Piston Set is a prime example of their work for performance builds. If you're putting together a Ford Small Block 445ci engine, these pistons are built to handle the demands of a high-performance application. They feature a 4.125-inch bore and a 3.25-inch stroke, designed to work with a 5.4-inch rod and a 0.927-inch pin. This combination helps achieve a compression ratio of 8.8:1 with the -16cc dish volume, making them suitable for a wide range of performance tuning.

These pistons are constructed from 4032 aluminum, a material chosen for its strength and thermal expansion properties, which is crucial for maintaining consistent performance under heat. They weigh in at 410 grams, contributing to a well-balanced rotating assembly. The specific design of these pistons is geared towards builders looking for a reliable foundation for their custom engine projects, offering a good balance between power potential and durability. Keep in mind that these pistons are not CARB approved and cannot be shipped to California. They also come with a Prop 65 warning.