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MAHLE 3021213B Performance Piston Ring Set Bore Napier Steel - 4.030

Manufacturer

Picture for manufacturer MAHLE

Part Number

3021213B
10 reviews
Sale Price

$6.11

Estimated ship date Saturday, November 21

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Product Details

The MAHLE 3021213B is a high-performance piston ring set designed for precision engine builds requiring a 4.030-inch bore diameter. This bulk plain ring set features advanced Napier-style steel construction on the second compression ring, engineered to deliver superior sealing, reduced friction, and enhanced durability under demanding conditions.

Key Specifications:

  • Bore Size: 4.030 inches
  • Ring Width: 1.0mm
  • Radial Wall Thickness: 0.136 inches
  • Second Ring Design: Performance Napier steel profile
  • Configuration: Bulk plain ring set (no pre-gapped)

Performance Features:

  • Napier steel second ring provides excellent oil control and blow-by prevention
  • Precision-engineered to OE specifications with performance enhancements
  • Low-tension design reduces friction for improved horsepower
  • High-quality materials ensure long service life and consistent sealing
  • Suitable for performance rebuilds and racing applications

MAHLE is a globally recognized leader in piston and ring technology, supplying OE and aftermarket components to professional engine builders and enthusiasts worldwide. This ring set represents MAHLE's commitment to precision manufacturing and performance engineering.

Great

Very easy to use. Like the association with amazon.

Easy shopping and checkout! Arrived quickly.

haven't used you before

c

did not have accurate pictures for product so have to go off of part number only product came on time and as expected at good price

sweet

I'm trying you guys again, hopefully when you say "In Stock" this time it really is !

So far so good. Easy ordering

This was my first order with Autoplicity and I am very happy. They had the lowest price on-line that I found. Communication was great and shipping was very fast. I ordered late on Thursday and it was at my house the following Tuesday, and I didn't pay for rush shipping. I got exactly what I expected. Will do business with these guys again.

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