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MAHLE 3021240B Performance Piston Ring Set Bore Napier Steel - 4.070 1.0mm

Manufacturer

Picture for manufacturer MAHLE

Part Number

3021240B
11 reviews
Sale Price

$4.88

Estimated ship date Friday, November 20

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Product Details

The MAHLE 3021240B is a high-performance piston ring set designed for precision engine builds requiring a 4.070-inch bore diameter. This bulk plain ring set features advanced Napier steel construction on the second ring, delivering superior wear resistance and oil control in demanding applications.

Key Specifications:

  • Bore size: 4.070 inches
  • Ring thickness: 1.0mm
  • Radial wall thickness: 0.136 inches
  • Performance-grade Napier steel second ring for enhanced durability
  • Plain ring design for custom fitting and gapping
  • Bulk packaging for professional engine builders

MAHLE's precision-manufactured piston rings are engineered to exact tolerances, ensuring optimal compression sealing and consistent performance. The Napier steel second ring provides excellent tensile strength and fatigue resistance, making this ring set ideal for high-performance street engines, racing applications, and precision rebuilds where quality and reliability are critical.

great deal

Easy peasy

It was fine, hope the two gas caps use the same key like advertised.

great!

Pretty quick and easy

Easy to use, exact product needed, and arrived quickly using regular shipment method (USPS).

Quick and easy !

It was easy and quick to shop on your website.

fast shipping, I got a great price.

Quick easy checkout, best price online!

Very easy shopping experience

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