Specifications
- Brand
- Mahle
- Part #
- 930261690-1
- UPC
- 930261690-1
Mahle MS Ford Big Block 4.390 Bore 4.3in Stroke 6.8in Rod .990 Pin -3.3cf 12.4 CR - Single Piston
$86.91
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Mahle MS Ford Big Block 521 cu in. forged piston. Not CARB approved.
Key Features
- Fits Ford Big Block 521 cu in. engines.
- Mahle MS series single piston.
- 4.390 inch bore.
- 4.300 inch stroke.
- 6.800 inch rod length.
- .990 inch pin diameter.
⚠️ 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
Mahle is known for making well-built engine components, and this MS series piston is a solid choice for your Ford Big Block build. This single piston is designed for a 521 cubic inch engine, featuring a 4.390 inch bore and a 4.3 inch stroke. It uses a 6.800 inch rod and a .990 inch pin, with a compression volume of -3.3cc, resulting in a 12.4:1 compression ratio. The piston itself is constructed from 2618 material and weighs 542 grams.
This piston is intended for performance applications where a specific compression ratio is desired. The material and design are suited for the demands of a large displacement V8 engine. Keep in mind that this part is not CARB approved and cannot be shipped to California.
Specifications
- Brand
- Mahle
- Manufacturer Part #
- 930261690-1
- UPC
- 930261690-1
Frequently Asked Questions
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Mahle MS Ford Big Block 4.390 Bore 4.3in Stroke 6.8in Rod .990 Pin -3.3cf 12.4 CR - Single Piston