What material are these Mahle pistons made from?

These Mahle pistons are forged from 4032 aluminum. This material is known for its strength and resistance to heat and stress, making it a popular choice for performance engine builds.

What is the compression ratio achieved with these pistons?

The pistons have a -22cc dish volume. When used with the appropriate cylinder heads and gasket combination for a Chevrolet Small Block 414ci engine, this configuration helps achieve a 9.9 compression ratio.

Are these pistons legal for use in California?

No, this piston set is not CARB approved and cannot be shipped to California due to emissions regulations.

Mahle Forged Piston Set 4.125in Bore 930211325

Name: Mahle MS Piston Set SBC 414ci 4.125in Bore 3.875in Stroke 6.0in Rod 0.927 Pin -22cc 9.9 CR Set of 8
Brand: Mahle
SKU: mahle-mahle-ms-piston-set-sbc-414ci-4-125in-bore-3-875in-stroke-6-0in-rod-0-927--t14-29189
Price: 926.55 USD
Availability: BackOrder

Mahle MS Piston Set SBC 414ci 4.125in Bore 3.875in Stroke 6.0in Rod 0.927 Pin -22cc 9.9 CR Set of 8

$926.55

On Backorder

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

Mahle forged piston set for Chevrolet Small Block 414 cu in. 4.125in bore, -22cc dish, 9.9 CR. Set of 8.

Key Features

Fits Chevrolet Small Block 414 cu in.
Forged from 4032 aluminum for strength and durability.
4.125 inch bore size.
Designed for a 3.875 inch stroke and 6.0 inch connecting rod.
Features a 0.927 inch pin diameter.
Includes a -22cc dish volume for a 9.9 compression ratio.

This piston set is designed for Chevrolet Small Block 414 cu in. 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 a well-known name in engine components, recognized for their high-performance parts that stand up to demanding use. This piston set is built for Chevrolet Small Block engines aiming for a 414 cubic inch displacement, offering a solid foundation for a performance rebuild. The pistons feature a 4.125-inch bore and are designed to work with a 3.875-inch stroke and a 6.0-inch connecting rod, with a 0.927-inch pin diameter.

These pistons are forged from 4032 aluminum, a material chosen for its strength and durability under high heat and stress, making them a reliable choice for performance applications. They have a -22cc dish volume, which, combined with other engine components, helps achieve a 9.9 compression ratio. Each piston weighs approximately 436 grams, contributing to a balanced rotating assembly. This set includes eight pistons, providing a complete solution for your V8 engine build.

When rebuilding an engine, especially one with increased displacement and performance goals, using well-made components like these Mahle pistons is crucial for longevity and power. It's important to note that this piston set is not CARB approved and cannot be shipped to California. Always refer to your engine builder's specifications and the manufacturer's installation instructions for proper assembly and tuning.