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MAHLE 3021250 Performance Steel Napier Piston Ring Set Bore - THM-13 4.565

Manufacturer

Picture for manufacturer MAHLE

Part Number

3021250
14 reviews
Sale Price

$33.11

Estimated ship date Saturday, November 21

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Product Details

The MAHLE 3021250 is a high-performance steel piston ring set designed for precision engine builds requiring a 4.565-inch bore diameter. This professional-grade ring set utilizes Napier THM-13 ring technology, engineered to deliver superior sealing, reduced friction, and enhanced durability in demanding applications.

Key Specifications:

  • Bore Size: 4.565 inches
  • Top Ring Thickness: 0.043 inches
  • Oil Ring Thickness: 0.135 inches
  • Configuration: RW (Reverse Twist) with plain ring design
  • Material: Performance steel construction
  • Design: Napier THM-13 profile

Performance Features:

  • Steel construction provides exceptional strength and heat resistance for high-performance applications
  • Napier profile second ring optimizes oil control and combustion sealing
  • Reverse twist design ensures proper ring seating and cylinder wall contact
  • Precision-manufactured to tight tolerances for consistent performance
  • Plain ring configuration suitable for standard cylinder wall finishes

MAHLE is a world-leading manufacturer of pistons and ring sets, trusted by professional engine builders and performance enthusiasts. This ring set is ideal for engine rebuilds, performance upgrades, and racing applications where reliability and power output are critical.

Great

quick & easy...

Excellent pricing

Always great parts.

Faster shipping than I expected. Easy order process. The ignition switch was my problem and Autoplicity part was exactly what I needed at a price better than anyone else had, with shipping included. I will definitely look to them again when I need any more parts for my Monte Carlo SS.<br>Only slight negative would be it took a few days to get an email with tracking number so I would know when my part would come. But once I got it, found it was coming sooner than I originally thought, which was great.

So far smooth and easy

Best price for this product. Thanks

.

Good shopping experience

good

It was very easy to order my husbands part.

Fast and easy!

Great that I can pay with Amazon Payment.

tres facile pour acheter sur se site parfait

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