What is the compression ratio with these pistons?

These pistons have a -5.8cc dish volume, which results in an 11.4:1 compression ratio when used with the specified stroke and bore dimensions.

What material are these pistons made from?

The pistons are constructed from 2618 aluminum, a strong and durable alloy commonly used in high-performance engine applications.

Are these pistons compatible with all LSX engines?

This set is specifically designed for the 429 cubic inch displacement LSX engine with a 4.130 inch bore. It's important to verify your engine's specifications to ensure compatibility.

Mahle GM LSX Piston Set 4.130" Bore 930226730

Name: Mahle MS Piston Set GM LSX 429cid 4.130x1.110RCH 4.000 Stk 6.125 Rod .927 Pin -5.8cc 11.4CR Set of 8
Brand: Mahle
SKU: mahle-mahle-ms-piston-set-gm-lsx-429cid-4-130x1-110rch-4-000-stk-6-125-rod-927-p-t14-348870
Price: 876.98 USD
Availability: BackOrder

Mahle MS Piston Set GM LSX 429cid 4.130x1.110RCH 4.000 Stk 6.125 Rod .927 Pin -5.8cc 11.4CR Set of 8

$876.98

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 GM LSX 429cid. Features a 4.130" bore and 11.4:1 compression ratio for improved performance.

Key Features

This is a set of 8 Mahle MS pistons for GM LSX engines.
Features a 4.130 inch bore size.
Designed for a 4.000 inch stroke and 6.125 inch connecting rod.
Includes a 0.927 inch pin.
The piston dish volume is -5.8cc, resulting in an 11.4:1 compression ratio.
Each piston weighs 452 grams.

This piston set is designed for Chevrolet LSX 429 cu in engines. Not CARB approved and cannot ship to California.

⚠️ 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 high-performance GM LSX engine and need a robust set of pistons to handle increased power, this Mahle MS Piston Set is a solid choice. Designed for the 429 cubic inch displacement, these pistons are crafted from 2618 aluminum, a material known for its strength and durability under high stress, making them well-suited for demanding builds.

This set features a 4.130-inch bore and is designed to work with a 4.000-inch stroke and a 6.125-inch connecting rod, with a 0.927-inch pin. The -5.8cc dish volume contributes to an 11.4:1 compression ratio, which is ideal for naturally aspirated or forced induction applications where you want a noticeable bump in power without sacrificing too much drivability. Each piston weighs in at 452 grams, a balanced weight that contributes to smooth engine operation.

This set includes eight pistons, providing everything you need for a complete engine rebuild. Please note 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.