What type of cylinder heads are these pistons designed for?

These Mahle MS pistons are specifically designed to be compatible with LS1/2/6 style cathedral port cylinder heads. The dome shape is optimized to work with this head port design for efficient combustion.

What is the compression ratio achieved with these pistons?

With a 2.0cc dome volume and the specified cylinder head volume, these pistons achieve an 11.5:1 compression ratio. This is a common target for naturally aspirated performance builds.

Are these pistons suitable for all LS engines?

These pistons are designed for the Chevrolet LS 5.3L 359 cubic inch engine. While they are for LS-based engines, their specific bore, stroke, and dome volume are tailored for this particular displacement and head type.

Mahle LS 5.3L Forged Piston Set 930220280

Name: Mahle MS Chevrolet LS 5.3L 359cid 3.780in Bore x 1.110RCH 4.000 Stroke 2.0cc 11.5 CR - Pist Set of 8
Brand: Mahle
SKU: mahle-mahle-ms-chevrolet-ls-5-3l-359cid-3-780in-bore-x-1-110rch-4-000-stroke-2-0-t14-350894
Price: 954.61 USD
Availability: BackOrder

Mahle MS Chevrolet LS 5.3L 359cid 3.780in Bore x 1.110RCH 4.000 Stroke 2.0cc 11.5 CR - Pist Set of 8

$954.61

On Backorder

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Mahle MS Chevrolet LS 5.3L 359cid 3.780in Bore x 1.110RCH 4.000 Stroke 2.0cc 11.5 CR - Pist Set of 8

Key Features

This is a set of 8 forged pistons from Mahle.
Designed for Chevrolet LS 5.3L 359cid engines with LS1/2/6 style cathedral port heads.
Features a 3.780-inch bore and a 4.000-inch stroke.
The pistons have a 2.0cc dome volume, resulting in an 11.5:1 compression ratio.
Constructed from 2618 aluminum for strength and durability.
Includes a 6.125-inch rod length and a 0.927-inch pin diameter.

⚠️ 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's MS piston set is built for Chevrolet LS 5.3L 359 cubic inch engines, specifically designed for LS1/2/6 style cathedral port heads. These pistons feature a 3.780-inch bore and a 4.000-inch stroke, with a 2.0cc dome volume contributing to an 11.5:1 compression ratio. The 6.125-inch rod length and 0.927-inch pin diameter are key dimensions for proper engine assembly and performance tuning.

Crafted from 2618 aluminum, a material known for its strength and durability under high stress, these pistons are well-suited for performance builds. The dome design is optimized to work with cathedral port cylinder heads, helping to achieve efficient combustion and power. Each piston weighs 395 grams, contributing to a balanced rotating assembly. This set includes eight pistons, providing a complete solution for a full engine rebuild or upgrade.

When installing these pistons, ensure you follow the manufacturer's recommended clearances and lubrication procedures for optimal performance and longevity. Proper ring gap setting and piston orientation are critical for these high-performance components. Note that this piston set is not CARB approved and cannot be shipped to California.