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MAHLE 3021272B Performance Piston Ring Set Bore Steel Napier - 4.145 THM-13

Manufacturer

Picture for manufacturer MAHLE

Part Number

3021272B
12 reviews
Sale Price

$7.29

Estimated ship date Saturday, November 21

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Product Details

The MAHLE 3021272B is a high-performance steel piston ring set designed for precision engine builds requiring a 4.145-inch bore diameter. This professional-grade ring set features MAHLE's THM-13 Napier ring design, engineered to deliver superior sealing, reduced friction, and enhanced durability in demanding performance applications.

Key Specifications:

  • Bore Size: 4.145 inches
  • Top Ring Width: 1.5mm
  • Ring Wall Thickness: 0.150 inches (radial wall)
  • Material: Performance steel construction
  • Design: Napier THM-13 profile
  • Finish: Plain finish
  • Packaging: Bulk ring set

MAHLE ring sets are manufactured to OEM standards with premium materials and advanced coating technologies. The Napier ring profile provides improved oil control and combustion sealing, making this set ideal for performance rebuilds, racing engines, and high-output street applications. Each ring is precision-machined for consistent fit and optimal cylinder wall contact.

Easy shopping & check out

Great experience

Very easy to use Waiting for delivery Thanks

so far ok. When can I expect delivery ? parts were right on time & functioned perfectly thank you

So far good will see when my part gets here!!!

had what I needed and reasonable price and shipping

great service!

On line shopping is easy quick and fast.

good pricing and nice shipping discount

Quick and easy. Thanks.

good stuff

Fast, easy

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