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MAHLE 3021260 Performance Piston Ring Set Napier Bore - THM-13 4.155

Manufacturer

Picture for manufacturer MAHLE

Part Number

3021260
11 reviews
Sale Price

$39.84

Estimated ship date Saturday, November 21

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Product Details

The MAHLE 3021260 is a high-performance piston ring set designed for precision engine builds requiring a 4.155-inch bore diameter. This professional-grade ring set features Napier THM-13 design specifications, engineered to deliver optimal sealing, reduced friction, and superior durability in demanding applications.

Key Specifications:

  • Bore Size: 4.155 inches
  • Top Ring Thickness: 0.043 inches
  • Oil Ring Width: 0.135 inches
  • Napier THM-13 design configuration
  • Plain ring profile for reliable sealing
  • Premium MAHLE engineering and materials

MAHLE performance ring sets are manufactured to exacting tolerances using advanced materials and coatings that reduce wear and improve ring seal throughout the engine's operating range. The Napier-style second ring design provides excellent oil control while maintaining optimal compression seal. Ideal for performance engine rebuilds, race applications, and high-output builds where precise ring specifications are critical.

nice thanks

It was easiest and most responsible order I have ever experienced, and I am looking forward to do all my orders in future with your Co. Thanks autoplicity.

Great Price, was lowest that i could find. And based off of the ratings that I could find was going to give them my business versus a site with a similar price but not a lot of information about their ratings or shipping methods.

quick and simple

no problems so far. Excellent products at a good price. Will buy again in the future.

I like the pay with Amazon feature.

Found exactly what I needed at a reasonable price!

Better product description and more accurate pictures would be nice

Easy to find and order what I needed.

Great site Fast service and low price.

Best price & fast shipping.can't go wrong.Will look to them again Thanks

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