What material are these pistons made from?

These Mahle MS pistons are constructed from 4032 aluminum. This material is chosen for its balance of strength and thermal expansion properties, making it suitable for performance engine builds.

What is the compression ratio achieved with these pistons?

With a -26cc dish volume and the specified bore and stroke, these pistons are designed to achieve a 9.5:1 compression ratio. This is a common ratio for many performance street and strip applications.

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 SBF 408ci Piston Set 930248430

Name: Mahle MS Piston Set SBF 408ci 4.030in Bore 4.000in Stroke 6.25in Rod .927 Pin -26cc 9.5 CR Set of 8
Brand: Mahle
SKU: mahle-mahle-ms-piston-set-sbf-408ci-4-030in-bore-4-000in-stroke-6-25in-rod-927-p-t14-29222
Price: 860.80 USD
Availability: BackOrder

Mahle MS Piston Set SBF 408ci 4.030in Bore 4.000in Stroke 6.25in Rod .927 Pin -26cc 9.5 CR Set of 8

$860.80

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 408ci engines. Features a 4.030in bore and 4.000in stroke for improved performance.

Key Features

Fits Ford Small Block 408 cu in engines.
Designed for a 4.030 inch bore and 4.000 inch stroke.
Features a 6.250 inch rod length and a .927 inch pin diameter.
Includes a -26cc dish volume for a 9.5:1 compression ratio.
Constructed from 4032 aluminum for durability.
Each piston weighs 422 grams.

⚠️ 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

Secure CheckoutFast Shipping631-982-0042

Product Details

Mahle is a well-known name in engine components, recognized for their commitment to precision and performance. This Mahle MS Piston Set is built for Ford Small Block 408 cubic inch engines, offering a solid foundation for a performance build. These pistons are designed to work with a 4.030-inch bore and a 4.000-inch stroke, featuring a 6.250-inch rod length and a .927-inch pin diameter. The -26cc dish volume contributes to a 9.5:1 compression ratio, making it a strong choice for many engine builds.

Crafted from 4032 aluminum, these pistons are well-built for durability and performance under demanding conditions. Each piston weighs in at 422 grams, contributing to a balanced rotating assembly. The specific dimensions, including the 1.245-inch compression height (CH), are critical for ensuring proper piston-to-valve clearance and deck height in your engine build. This set includes eight pistons, providing a complete solution for your V8 engine.

Please note that this piston set is not CARB approved and cannot be shipped to California. It also carries a Prop 65 warning. Ensure you consult with your engine builder or refer to Mahle's technical documentation for complete installation details and compatibility with other engine components to achieve your desired performance goals.