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MAHLE 3021343B Performance Piston Ring Set Bore Steel Napier Ring - 4.275 2nd

Manufacturer

Picture for manufacturer MAHLE

Part Number

3021343B
13 reviews
Sale Price

$6.25

Estimated ship date Saturday, November 21

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Product Details

The MAHLE 3021343B is a high-performance piston ring set engineered for demanding engine builds requiring a 4.275-inch bore diameter. This professional-grade ring set features a steel Napier-style second ring design, delivering superior oil control and cylinder sealing in performance applications.

Key Specifications:

  • Bore Size: 4.275 inches
  • Ring Thickness: 0.043 inches
  • Radial Wall Thickness: 0.135 inches
  • Second Ring Type: Steel Napier design for enhanced oil control
  • Plain ring set configuration

Performance Features:

  • Steel Napier second ring provides aggressive oil scraping and superior cylinder wall conformability
  • Precision-manufactured to exacting tolerances for optimal compression sealing
  • Designed for high-performance and racing applications where durability matters
  • MAHLE's proven metallurgy and coating technology ensures long-term reliability

MAHLE is a trusted OEM supplier and performance aftermarket leader, known for producing piston rings that meet the demanding requirements of professional engine builders and performance enthusiasts. This ring set is ideal for custom engine builds, rebuilds, and performance upgrades requiring precise bore specifications.

Very Fast

Easy and fast....

Good so far

Not bad price

Great partnership with Amazon

After months of shopping, I finally found the BEST price. Thank you

easy to order and quick. 4 stars vs 5: only need to cross reference the Motorcraft Part number to the vehicle part number which I used to search

as good as it gets

My part came very fast, it took only two days to arrive. I feel I got a great deal on the part I bought, and I am very happy with the quality and the service. I will definitely do business again. Thank you.

Good

Wow. Great Price and extremely fast shipping. I had a CS question and they replied promptly and satisfactorily. I will definitely buy from Autoplicity again.

Quick shipping when it shipped out. Just as described and a great battery. Would buy from again.

So far great, no problems. Received order on 04/21/2015

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