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MAHLE 3021299 Performance Napier Piston Ring Set Bore - THM-13 3.917

Manufacturer

Picture for manufacturer MAHLE

Part Number

3021299
11 reviews
Sale Price

$34.49

Estimated ship date Saturday, November 21

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Product Details

The MAHLE 3021299 is a high-performance piston ring set featuring premium Napier-style compression ring design with THM-13 coating technology. Engineered for 3.917-inch bore applications, this ring set delivers superior sealing performance and durability in demanding engine builds.

Key Specifications:

  • Bore Size: 3.917 inches
  • Top Ring Thickness: 1.2mm
  • Radial Wall Thickness: 0.135 inches
  • Plain ring configuration for versatile applications
  • Napier-style second ring design for enhanced oil control
  • THM-13 thermal barrier coating for reduced friction and improved heat resistance

Features and Benefits:

  • MAHLE OE-quality manufacturing ensures precise tolerances and reliable performance
  • Advanced coating technology reduces wear and extends ring life
  • Optimized ring tension provides excellent cylinder sealing
  • Designed for performance and racing applications requiring maximum durability
  • Complete ring set for single piston (order quantity as needed for full engine build)

MAHLE is a globally recognized leader in piston ring manufacturing, supplying OE and performance components to automotive, marine, and industrial applications. This ring set delivers professional-grade quality for engine builders and performance enthusiasts.

quick and easy shopping

Convenient

Please do not ship until 9/14/16

Website easy to navigate

Great!

I appreciate the Amazon link during payment.

Quick and easy

the site is well laid out. some products have very little product discription

Easy to use. Quick checkout. Efficient processing of my order. Received order promptly. Good pricing. Shipping charges were reasonable. I recommend this merchant.

Communication was acceptable and shipping times within initial promise. Would and will buy from them again...

Very quick service and prompt shipping.

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