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MAHLE 3021290 Performance Piston Ring Set - 4.365" Bore, 1/16" 1/16" 3/16" Gray Iron

Manufacturer

Picture for manufacturer MAHLE

Part Number

3021290
12 reviews
Sale Price

$33.00

Estimated ship date Saturday, November 21

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Fitment guaranteed

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Product Details

The MAHLE 3021290 is a high-performance piston ring set engineered for precision engine builds requiring a 4.365-inch bore diameter. This ring set features premium gray iron construction with a Napier-style top ring design for enhanced oil control and combustion sealing in demanding performance applications.

Key Specifications:

  • Bore Size: 4.365 inches
  • Top Ring Thickness: 1/16 inch
  • Second Ring Thickness: 1/16 inch
  • Oil Ring Thickness: 3/16 inch (0.170 inch radial wall)
  • Material: Performance-grade gray iron
  • Design: Napier ring configuration

MAHLE piston rings are manufactured to OE specifications and tolerances, ensuring optimal ring seal, reduced blow-by, and consistent performance. The Napier ring design features a unique profile that improves oil distribution and provides superior scraping action for efficient oil control. Gray iron construction offers excellent wear resistance and heat dissipation properties essential for high-performance and racing applications.

This ring set is ideal for engine rebuilds, performance upgrades, and racing applications where precise bore dimensions and reliable ring seal are critical for maximizing power output and engine longevity.

so far so good. it was quick. hope the delivery process is just as fast

great

First time order

Site easy to navigate,good price+ discount for shipping

Have been looking for that piston for weeks, so glad you had it!

Very easy and website was quick to let me know if a part would or would not fit my car - very helpful.

Simple shopping!!

Shipping was fairly quick. I'm satisfied so far. I hope the product is as describe.

Easy to order, good price to live with!!

This includes both sides right and left right?

Everything went seamlessly. I placed my order on a Thursday and it got here Tuesday morning. No problems, and it was the best price I could find.

Awesome and very easy

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