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MAHLE 3021270B Performance Steel Napier Ring Set Bore - 4.125

Manufacturer

Picture for manufacturer MAHLE

Part Number

3021270B
10 reviews
Sale Price

$6.12

Estimated ship date Saturday, November 21

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Product Details

The MAHLE 3021270B is a high-performance piston ring set engineered for precision engine builds requiring a 4.125-inch bore diameter. This premium ring set features steel construction with a Napier design for superior oil control and durability in demanding applications.

Key Specifications:

  • Bore Size: 4.125 inches
  • Top Ring: 1.5mm steel construction
  • Oil Ring: 3.0mm with 0.150-inch radial wall thickness
  • Napier design for enhanced oil management
  • THM-13 performance coating for wear resistance
  • Plain ring configuration without pre-gapping
  • Bulk packaging for professional engine builders

MAHLE piston rings are manufactured to OEM specifications and meet stringent quality standards. The steel construction provides excellent heat resistance and dimensional stability, while the Napier profile optimizes oil control in high-performance and racing applications. This ring set is designed for one cylinder and requires proper fitting and gapping during installation.

easy to find the part i needed

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easy

So far so good! Nice and easy....

I searched the web looking for the best prices on some spark plugs and Autoplicity was the cheapest. Thanks for the fast shipping.

Great SO FAR

Super fast delivery great company great prices

Found the item I was looking for at Autoplicity for $20 cheaper than anywhere else. Shipping was also very quick.

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