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MAHLE 3021312 Performance Steel Napier Piston Ring Set Bore - THM-13 4.170

Manufacturer

Picture for manufacturer MAHLE

Part Number

3021312
9 reviews
Sale Price

$42.97

Estimated ship date Saturday, November 21

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Product Details

The MAHLE 3021312 is a high-performance steel piston ring set engineered for precision fitment in 4.170-inch bore applications. This professional-grade ring set features MAHLE's advanced Napier THM-13 design, which optimizes oil control and compression sealing in demanding performance and racing environments.

Key Specifications:

  • Bore Size: 4.170 inches
  • Top Ring Width: 1.5mm
  • Radial Wall Thickness: 0.150 inches
  • Construction: Performance steel for superior strength and heat resistance
  • Ring Configuration: Plain ring design
  • Napier THM-13 profile for enhanced oil control

MAHLE piston rings are manufactured to OEM specifications and beyond, utilizing advanced materials and coatings to reduce friction, improve sealing, and extend engine life. The steel construction provides excellent durability under high-temperature and high-stress conditions, making this ring set ideal for performance rebuilds, racing applications, and heavy-duty use. Each ring set is precision-machined to ensure proper end gap and ring tension for optimal performance.

Website easy to use to purchase desired parts. Shipping was quick, installed the trunk struts and everything works as expected.

easy to use

so far so good

Simple to purchase from you using paypal

Fast, easy and very competitive prices. The customer service was very good with a quick and helpful response. I will shop here again!

Nice

Great product at a low price!

Fast shipping and email answered fast. I'll shop again. Tahnks

Autoplicity had my parts at the cheapest price & available the soonest<br>Will definitely use them again in the future

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