What is the compression ratio with these pistons?

When used with a 5.400 inch rod, a 4.040 inch bore, and Twisted Wedge 11R cylinder heads, these pistons achieve a 10.4:1 compression ratio.

What material are these pistons made from?

These pistons are made from 2618 aluminum, a well-known material for high-performance engine components due to its strength and heat resistance.

Are these pistons legal for use in California?

No, these pistons are not CARB approved and cannot be shipped to California due to emissions regulations.

Mahle Small Block Ford Twisted Wedge Piston Set 930250540

Name: Mahle MS Small Block Ford Twisted Wedge Flat Top 11R PowerPak Piston Set
Brand: Mahle
SKU: mahle-mahle-ms-small-block-ford-twisted-wedge-flat-top-11r-powerpak-piston-set-t14-818379
Price: 860.15 USD
Availability: BackOrder

Mahle MS Small Block Ford Twisted Wedge Flat Top 11R PowerPak Piston Set

$860.15

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 Small Block Ford Twisted Wedge Flat Top 11R PowerPak Piston Set. Engine Piston Set.

Key Features

Fits Small Block Ford 349 cu in. engines.
Designed for Twisted Wedge 11R cylinder heads.
Flat top pistons with a -6.2cc dish for 10.4:1 compression ratio.
4.040 inch bore and 3.400 inch stroke.
Constructed from strong 2618 aluminum.
Includes 0.927 inch wrist pins.

This piston set is designed for Ford Small Block 349 cu in. engines. Please verify compatibility with your specific engine configuration and cylinder heads.

⚠️ 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 performance Small Block Ford engine, especially one designed for Twisted Wedge 11R cylinder heads, a solid set of pistons is crucial. This Mahle PowerPak piston set is built to handle the demands of a performance Small Block Ford, specifically for a 349 cubic inch displacement with a 4.040 inch bore and 3.400 inch stroke.

This set features flat-top pistons with a -6.2cc dish, designed to work with the unique combustion chamber shape of Twisted Wedge 11R heads to achieve a 10.4:1 compression ratio with a 5.400 inch rod and 4.040 inch bore. The pistons are constructed from 2618 aluminum, a strong and lightweight material commonly used in high-performance applications for its durability and ability to withstand high temperatures and pressures. Each piston weighs in at 441 grams, contributing to a well-balanced rotating assembly. This set is designed for a 0.927 inch wrist pin and includes everything you need for a complete piston installation in your engine build.

Keep in mind that these pistons are not CARB approved and cannot be shipped to California. Always refer to the manufacturer's installation instructions for proper fitment and assembly procedures to ensure optimal performance and longevity of your engine build.