What material are these pistons made from?

These Mahle pistons are forged from 4032 aluminum. This material is chosen for its strength and ability to withstand high temperatures and pressures commonly found in performance engine applications.

What is the compression ratio achieved with these pistons?

With a -3cc dish volume, these pistons are designed to achieve a 9.6:1 compression ratio when used with appropriate cylinder heads and head gaskets for the Chevrolet Small Block 312 engine.

Are these pistons legal for use in California?

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

Mahle Forged Piston Set 3.776in Bore 9.6 CR 930204576

Name: Mahle MS Piston Set SBC 312ci 3.776in Bore 3.480in Stroke 5.7in Rod 0.927 Pin -3cc 9.6 CR Set of 8
Brand: Mahle
SKU: mahle-mahle-ms-piston-set-sbc-312ci-3-776in-bore-3-480in-stroke-5-7in-rod-0-927--t14-29061
Price: 820.26 USD
Availability: BackOrder

Mahle MS Piston Set SBC 312ci 3.776in Bore 3.480in Stroke 5.7in Rod 0.927 Pin -3cc 9.6 CR Set of 8

$820.26

On Backorder

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

Mahle forged piston set for Chevrolet Small Block 312ci. 3.776in bore, 9.6 CR.

Key Features

Fits Chevrolet Small Block 312 cu in engines.
Forged from 4032 aluminum for strength and durability.
3.776 inch bore size.
3.480 inch stroke compatibility.
5.700 inch rod length compatibility.
0.927 inch pin diameter.

This piston set is designed for Chevrolet Small Block 312 cubic inch engines. 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 a well-known name in engine components, often supplying parts for original equipment manufacturers. This expertise translates into their aftermarket offerings, like this Mahle MS Piston Set designed for the Chevrolet Small Block 312 cubic inch engine. If you're rebuilding or upgrading your engine, a solid set of pistons is fundamental to its performance and longevity.

This particular set features a 3.776-inch bore and a 3.480-inch stroke, with a 5.700-inch rod length and a 0.927-inch pin. The pistons are forged from 4032 aluminum, a material known for its strength and durability, especially under high temperatures and pressures. They have a -3cc dish volume, which helps achieve a 9.6:1 compression ratio when paired with the correct cylinder heads and gasket combination. Each piston weighs in at 409 grams, contributing to a balanced rotating assembly. These are designed as a direct replacement for the original pistons, making installation straightforward for a mechanic familiar with engine builds.

This set includes eight pistons, enough for a complete V8 engine. It's important to note that these pistons are not CARB approved and cannot be shipped to California. Always refer to the manufacturer's installation instructions for proper assembly and break-in procedures to ensure optimal performance and engine life.