Specifications
- Brand
- Mahle
- Part #
- 930201125-1
- UPC
- 930201125-1

Mahle MS Piston SBC 427ci 4.125in Bore 4.000in Stroke 6.0in Rod .927 Pin -5cc 12.2 CR - Single
$86.91
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Mahle forged piston for SBC 427ci with a 4.125in bore and 4.000in stroke. A solid option for engine builds.
Key Features
- This listing is for a single Mahle MS forged piston.
- Designed for Chevrolet Small Block engines with a 4.125-inch bore.
- Intended for a 4.000-inch stroke and 6.0-inch connecting rod.
- Features a 0.927-inch wrist pin diameter.
- Has a -5cc dish volume, contributing to a 12.2:1 compression ratio.
- Constructed from 4032 aluminum for a balance of strength and thermal expansion.
⚠️ 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
Product Details
This listing is for a single Mahle MS forged piston designed for a Chevrolet Small Block engine. It features a 4.125-inch bore and is intended for a 4.000-inch stroke with a 6.0-inch connecting rod and a 0.927-inch wrist pin. The piston has a -5cc dish volume, resulting in a compression ratio of approximately 12.2:1 with the specified components.
This piston is constructed from 4032 aluminum, a material known for its good balance of strength and thermal expansion properties, making it suitable for many performance street and strip applications. The 4.125-inch bore size is common for stroker combinations, allowing for increased displacement. It's important to note that this piston is not CARB approved and cannot be shipped to California.
Specifications
- Brand
- Mahle
- Manufacturer Part #
- 930201125-1
- UPC
- 930201125-1
Frequently Asked Questions
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Mahle MS Piston SBC 427ci 4.125in Bore 4.000in Stroke 6.0in Rod .927 Pin -5cc 12.2 CR - Single




