What is the compression ratio achieved with these pistons?

These Mahle MS pistons feature a -26cc dish volume. When used with appropriate cylinder heads and gaskets, they are designed to achieve a 9.2:1 compression ratio for your Ford FE 431 engine.

What materials are these pistons made from?

The pistons in this set are forged from 4032 aluminum. This material is chosen for its strength and durability, making it suitable for high-performance engine applications while keeping weight down.

Are these pistons compatible with all Ford FE engines?

This specific piston set is designed for the 431 cubic inch displacement variant of the Ford FE engine. It's important to confirm your engine's exact specifications to ensure proper fitment.

Mahle SBF 431ci Piston Set 930264180

Name: Mahle MS Piston Set SBF 431ci 4.080in Bore 4.125in Stroke 6.7in Rod .990 Pin -26cc 9.2 CR Set of 8
Brand: Mahle
SKU: mahle-mahle-ms-piston-set-sbf-431ci-4-080in-bore-4-125in-stroke-6-7in-rod-990-pi-t14-28920
Price: 870.67 USD
Availability: BackOrder

Mahle MS Piston Set SBF 431ci 4.080in Bore 4.125in Stroke 6.7in Rod .990 Pin -26cc 9.2 CR Set of 8

$870.67

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 Ford FE 431 cu in. Features 4.080in bore, 4.125in stroke, and 9.2 CR. Set of 8.

Key Features

Set of 8 Mahle MS pistons for Ford FE 431 cu in. engines.
Forged from 4032 aluminum for strength and light weight.
4.080 inch bore size.
Designed for a 4.125 inch stroke and 6.7 inch rod length.
Features a -26cc dish volume for a 9.2:1 compression ratio.
Includes 0.990 inch pin diameter.

This piston set is designed for the Ford FE 431 cubic inch engine. It is not CARB approved and cannot be shipped 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

Mahle is a well-known name in engine components, trusted by many for their reliable parts. This Mahle MS Piston Set is built for the Ford FE 431 cubic inch engine, a popular choice for those looking to build a powerful V8. If you're working on a performance engine build, these pistons are designed to handle the demands of increased horsepower and torque.

This set includes eight pistons, each forged from 4032 aluminum for a strong yet lightweight component. They feature a 4.080-inch bore and are designed to work with a 4.125-inch stroke and a 6.7-inch rod length. The pistons have a -26cc dish volume, which helps achieve a 9.2:1 compression ratio when paired with the right cylinder heads and gasket combination. The 0.990-inch pin diameter is standard for many performance applications. Each piston weighs in at 511 grams, contributing to a well-balanced rotating assembly.

When rebuilding or upgrading your Ford FE engine, choosing the right pistons is crucial for performance and durability. These Mahle pistons offer a solid foundation for a high-performance build. Please note that this part is not CARB approved and cannot be shipped to California. Always refer to the manufacturer's installation instructions for proper fitment and assembly procedures.