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MAHLE 3021347B Performance Piston Ring Set Bore Steel Napier Ring - 4.315 2nd

Manufacturer

Picture for manufacturer MAHLE

Part Number

3021347B
12 reviews
Sale Price

$6.15

Estimated ship date Saturday, November 21

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Product Details

The MAHLE 3021347B is a high-performance piston ring set designed for precision engine builds requiring a 4.315-inch bore diameter. This specialized ring set features a steel Napier-style second compression ring, engineered to provide superior oil control and sealing performance in demanding applications.

Key Specifications:

  • Bore size: 4.315 inches
  • Ring thickness: 0.043 inches
  • Radial wall thickness: 0.135 inches
  • Steel Napier profile second ring design
  • Plain ring set configuration

MAHLE is a globally recognized manufacturer of premium engine components, known for their precision engineering and quality materials. This ring set is ideal for performance engine rebuilds, racing applications, or any build where reliable compression sealing and oil control are critical. The steel Napier second ring design offers enhanced durability and improved oil management compared to standard cast iron rings, making it particularly suitable for high-performance and forced induction applications.

Orders process quickly

so far so good

great deal

good. hopefully it ships in a timely matter.

Great

Simple checkout

Nice shopping here

Easy to navigate site. Good prices.

went smooth

good! but if can shipping quickly will be better.

Typical. No issues...

Very poor info on shipping. Order was sent in 2 separate shipments, but tracking notice indicated everything was sent in one shipment. When I received 1/2 of my order I called & was put on hold for over 20 minutes. The world's WORST music on hold.... Good prices though.

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