What is the compression ratio with these pistons?

With the specified 4.030-inch bore and a 3.480/3.500-inch stroke, these pistons achieve a 9.2:1 compression ratio due to their -16cc dish volume.

What material are these pistons made from?

These pistons are forged from 4032 aluminum. This material is chosen for its strength and resistance to detonation, making it suitable for performance engine builds.

Are these pistons legal for use in California?

No, these pistons are not CARB approved and cannot be shipped to California. It is important to check local emissions regulations for your specific location.

Mahle Forged Piston Set 4.030in Bore 9.2 CR 930210830

Name: Mahle MS Piston Set SBC 358ci 4.030in Bore 3.480/3.5stk 6.125in Rod 0.927 Pin -16cc 9.2 CR Set of 8
Brand: Mahle
SKU: mahle-mahle-ms-piston-set-sbc-358ci-4-030in-bore-3-480-3-5stk-6-125in-rod-0-927--t14-30089
Price: 860.80 USD
Availability: BackOrder

Mahle MS Piston Set SBC 358ci 4.030in Bore 3.480/3.5stk 6.125in Rod 0.927 Pin -16cc 9.2 CR Set of 8

$860.80

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 SBC 358ci 4.030in Bore 3.480/3.5stk 6.125in Rod 0.927 Pin -16cc 9.2 CR Set of 8Engine Piston Set

Key Features

Fits Chevrolet Small Block 355 cu in. engines.
Forged from 4032 aluminum for strength and durability.
4.030 inch bore size.
Designed for 3.480/3.500 inch stroke and 6.125 inch connecting rods.
Features a -16cc dish volume for a 9.2:1 compression ratio.
Includes 0.927 inch wrist pins.

This piston set is designed for Chevrolet Small Block 355 cu in. engines. Please verify compatibility with your specific engine build.

⚠️ 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, recognized for their commitment to precision and performance. This Mahle MS Piston Set is built for Chevrolet Small Block engines, specifically designed for a 355 cubic inch displacement. If you're rebuilding or upgrading your engine, these pistons are a solid choice for achieving reliable power.

This set features a 4.030-inch bore and is designed to work with a 3.480 or 3.500-inch stroke crankshaft, paired with a 6.125-inch connecting rod. The pistons are forged from 4032 aluminum, a material known for its strength and resistance to detonation, making them suitable for higher performance applications. They come with a 0.927-inch pin and have a -16cc dish volume, which results in a 9.2:1 compression ratio with the specified bore and stroke. At 415 grams each, they offer a good balance of strength and weight for their class.

This set includes eight pistons, enough for a complete V8 engine. Please note that these pistons are not CARB approved and cannot be shipped to California. Always refer to your engine builder's specifications and the manufacturer's installation instructions for proper assembly and tuning.