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MAHLE 3021278B Performance Piston Ring Set Bore Steel Napier - 4.140 THM-13

Manufacturer

Picture for manufacturer MAHLE

Part Number

3021278B
13 reviews
Sale Price

$7.45

Estimated ship date Saturday, November 21

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Product Details

The MAHLE 3021278B is a high-performance piston ring set engineered for demanding racing and performance applications. This premium ring set features advanced steel construction with Napier profile design, delivering superior sealing and durability under extreme cylinder pressures and temperatures.

Key Specifications:

  • Bore Size: 4.140 inches
  • Top Ring Width: 1.5mm
  • Oil Ring Width: 3.0mm (standard configuration)
  • Ring Profile: Napier THM-13 design
  • Material: Performance-grade steel construction
  • Style: Plain ring set (no coating)
  • Package: Bulk packaging

Features and Benefits:

  • Steel construction provides exceptional strength and heat resistance for high-performance engines
  • Napier ring profile optimizes oil control and reduces friction
  • THM-13 design engineered for race and performance applications
  • 1.5mm top ring width reduces friction while maintaining excellent sealing
  • Precise 4.140" bore sizing ensures proper fit and seal
  • Plain finish allows for custom coating if desired

MAHLE is a leading OEM supplier and aftermarket manufacturer of engine components, trusted by professional engine builders and racers worldwide. This ring set is designed for custom performance engine builds where precise specifications and proven quality are essential.

great prices

Great prices, super fast shipping!

excellent website

Easy

No issues so far. Easy ordering and checkout

great

Page is easy to navigate, item is good and shipping was fast

Quick and Easy ordering

good price

I was happy to find Autoplicitys website in Google Checkout, as they really had the best price on the web. They quickly shipped to me a WeatherTech 2007 - 2011 Acura RDX Cargo Liner in black, just like I ordered. I will order from them again in the future.

Good price fast delivery!!!

Autoplicity had the best pricing I could find. I ordered my items on Saturday and am having them delivered today (Tuesday). <br><br>Thanks again I will for sure do business here again.

Product arrived fast and as described. The best price I found online. Packing was excellent, highly recommend Autoplicity.

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