What is the compression ratio of these pistons?

These Mahle pistons are designed to achieve a 10.8:1 compression ratio. This is a notable increase over stock, offering improved performance potential for your Hemi engine.

Are these pistons compatible with both 5.7L and 6.1L Hemi heads?

Yes, this piston set is compatible with both 5.7L and 6.1L Hemi cylinder heads. This offers flexibility for various Hemi engine builds.

Can these pistons be shipped to California?

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

Mahle Hemi 5.7L Piston Set 930276027

Name: Mahle MS Pist Hemi 5.7L 347cid 3.917in Bore 3.579in Strk 6.242in Rod .927 Pin 10.2cc 10.8 CR Set 8
Brand: Mahle
SKU: mahle-mahle-ms-pist-hemi-5-7l-347cid-3-917in-bore-3-579in-strk-6-242in-rod-927-p-t14-371113
Price: 968.97 USD
Availability: BackOrder

Mahle MS Pist Hemi 5.7L 347cid 3.917in Bore 3.579in Strk 6.242in Rod .927 Pin 10.2cc 10.8 CR Set 8

$968.97

On Backorder

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

Mahle Hemi 5.7L forged piston set. 3.917in bore, 10.8:1 CR. Not CARB approved.

Key Features

Fits Chrysler Hemi 347 cu in engines.
Mahle forged piston set for Hemi 5.7L and 6.1L engines.
Features a 3.917-inch bore and 3.579-inch stroke.
10.8:1 compression ratio with a 10.2cc dish volume.
Includes .927-inch wrist pins and 6.242-inch connecting rod length.
Each piston weighs 442 grams.

This piston set is designed for Chrysler Hemi 347 cu in engines and is compatible with all 5.7L and 6.1L Hemi heads. Check manufacturer specifications for precise fitment details.

⚠️ 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 for their reliable parts. This set of forged pistons is built for the Hemi 5.7L engine, commonly found in Chrysler vehicles. If you're rebuilding the heart of your engine, these pistons are designed to handle the demands of a performance build, offering a solid foundation for increased power and durability.

These pistons feature a 3.917-inch bore and are designed for a 3.579-inch stroke with a 6.242-inch connecting rod. The compression ratio comes in at 10.8:1, which is a notable bump over stock, giving you improved performance potential. They use a .927-inch pin and have a dish volume of 10.2cc. The forged construction means they are strong and can withstand higher cylinder pressures and temperatures compared to cast pistons, making them a great choice for modified engines or those looking for enhanced reliability under stress. Each piston weighs in at 442 grams.

This set is compatible with both 5.7L and 6.1L Hemi heads. Please note that these pistons are not CARB approved and cannot be shipped to California. It's always a good idea to consult your engine builder or a professional mechanic to ensure these pistons are the right fit for your specific build and to follow proper installation procedures.