What compression ratio do these pistons achieve?

These Mahle pistons feature a -5cc dish and are designed to achieve a 10.9:1 compression ratio when used with a 3.480 or 3.500-inch stroke crankshaft and a 6.000-inch connecting rod.

What material are these pistons made from?

The pistons are constructed from 4032 aluminum, which is a strong and durable alloy commonly used in performance engine builds for its reliability.

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 SBC Piston Set 4.155in Bore 930200455

Name: Mahle MS Piston Set SBC 379ci 4.155in Bore 3.480/3.500stk 6.0in Rod .927 Pin -5cc 10.9 CR Set of 8
Brand: Mahle
SKU: mahle-mahle-ms-piston-set-sbc-379ci-4-155in-bore-3-480-3-500stk-6-0in-rod-927-pi-t14-30013
Price: 797.95 USD
Availability: BackOrder

Mahle MS Piston Set SBC 379ci 4.155in Bore 3.480/3.500stk 6.0in Rod .927 Pin -5cc 10.9 CR Set of 8

$797.95

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 SBC 377 cu in engines. 4.155in bore, -5cc dish, 10.9 CR. Set of 8.

Key Features

Fits Chevrolet Small Block 377 cu in engines.
4.155 inch bore size.
Designed for 3.480 or 3.500 inch stroke crankshafts and 6.000 inch connecting rods.
Features a -5cc dish volume.
Achieves a 10.9:1 compression ratio.
Constructed from 4032 aluminum for strength and durability.

This piston set is designed for Chevrolet Small Block 377 cu in 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

If you're building a high-performance Small Block Chevrolet engine, this Mahle MS Piston Set is a solid choice for your 377 cubic inch application. These pistons are designed to work with a 4.155-inch bore and are built to handle the demands of a performance build, featuring a -5cc dish that contributes to a 10.9:1 compression ratio with a 3.480 or 3.500-inch stroke crankshaft and a 6.000-inch connecting rod.

Mahle manufactures these pistons from 4032 aluminum, a material known for its strength and durability, making them well-suited for performance street or track use. Each piston weighs in at 466 grams, which is a good balance for performance and reliability in a 377ci engine. The .927-inch pin diameter is standard for many performance connecting rods. This set includes all eight pistons needed for a complete engine build.

Keep in mind 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 to ensure optimal performance and longevity of your engine build.