What is the compression ratio with this piston kit?

When used with the specified 4.000-inch stroke crankshaft, 6.125-inch connecting rods, and 0.927-inch wrist pins, these pistons are designed to achieve an 11.1:1 compression ratio. This is calculated based on the 4.070-inch bore and -5.8cc piston dish.

What materials are these pistons made from?

These Mahle pistons are made from 4032 aluminum. This alloy is chosen for its excellent strength and resistance to thermal expansion, making it well-suited for high-performance engine applications.

Does this kit include piston rings and connecting rods?

No, this Mahle MS PowerPak piston kit includes the pistons and wrist pins. You will need to purchase compatible piston rings and connecting rods separately to complete your engine build.

Mahle LS Piston Kit 4.070 Bore 4.000 Stroke 930227970

Name: Mahle MS PowerPak LS 4.070 Bore 4.000 Stroke 5.8cc Flat Top Piston Kit
Brand: Mahle
SKU: mahle-mahle-ms-powerpak-ls-4-070-bore-4-000-stroke-5-8cc-flat-top-piston-kit-t14-546104
Price: 820.08 USD
Availability: BackOrder

Mahle MS PowerPak LS 4.070 Bore 4.000 Stroke 5.8cc Flat Top Piston Kit

$820.08

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 PowerPak LS 4.070 Bore 4.000 Stroke 5.8cc Flat Top Piston Kit. Engine Piston Set.

Key Features

Fits Chevrolet LS 416 cu in engines.
Mahle MS PowerPak LS piston kit.
4.070 inch bore size.
4.000 inch stroke.
Flat top piston design with -5.8cc dish.
Constructed from 4032 aluminum for strength and durability.

This piston kit is designed for Chevrolet LS engines with a displacement of 416 cubic inches. Please verify compatibility with your specific engine configuration.

⚠️ 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 well-known for making solid engine components, and this MS PowerPak LS piston kit is a prime example of their work. If you're building a high-performance LS engine, especially one aiming for around 416 cubic inches, this kit is designed to handle the demands. These pistons feature a flat-top design with a -5.8cc dish, which is crucial for achieving a specific compression ratio when paired with the right cylinder heads and crankshaft.

This kit is built around a 4.070-inch bore and a 4.000-inch stroke, creating that 416 cubic inch displacement. The connecting rod length is 6.125 inches, and the wrist pin diameter is 0.927 inches. Mahle uses 4032 aluminum for these pistons, a material known for its strength and durability, especially under high temperatures and pressures common in performance applications. This material choice helps ensure these pistons can withstand the rigors of a performance build. The calculated compression ratio with these components is 11.1:1, a popular target for many naturally aspirated and forced induction LS builds.

When you're putting together an engine of this caliber, attention to detail is key. This kit includes the pistons, and it's important to note that you'll need to source the appropriate rings and connecting rods separately to complete the assembly. Remember, this kit is not CARB approved and cannot be shipped to California. Always refer to the manufacturer's detailed installation instructions for proper assembly and break-in procedures to ensure the longevity and performance of your new engine build.