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MAHLE 3021240 Performance Piston Ring Set Bore - 4.070

Part of: MAHLE Performance Piston Ring Set Bore

Other options in this family: MAHLE 9550MS-12 MAHLE 8200MS-10 MAHLE 9200MS-12 MAHLE 8550MS-12 MAHLE 8725MS-12

Manufacturer

Picture for manufacturer MAHLE

Part Number

3021240
14 reviews
Sale Price

$33.20

Estimated ship date Wednesday, November 25

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Product Details

The MAHLE 3021240 is a high-performance piston ring set engineered for precision engine builds requiring a 4.070-inch bore diameter. This professional-grade ring set features MAHLE's proven design with a Napier steel second ring for superior sealing and oil control in demanding applications.

Key Specifications:

  • Bore Size: 4.070 inches
  • Top Ring: 1.0mm thickness
  • Second Ring: Napier steel construction for enhanced durability
  • Oil Ring: 0.136-inch radial wall thickness
  • Plain ring configuration for standard cylinder wall finish

MAHLE piston rings are manufactured to OE specifications and beyond, utilizing premium materials and advanced coating technologies. The Napier-style second ring design provides improved combustion sealing while the plain ring face is compatible with standard honing patterns. Ideal for performance rebuilds, racing applications, and high-output street engines where reliability and ring seal are critical.

Found that you priced this fender flare cheaper on you Website than the listing on Ebay. I am satisfied and hope that my payment and shipping processed quickly to receive my fender flares soon as possible. Thank you.

Great service so far

Great price for just the tire I was looking for. Checked out with PayPal. EASY!

Great Prices! Second order within days still waiting to receive first one to review

easy and cheap

So far so good

it was OK

Quick and easy. Good price.

Easy to use website. Thanks

Very easy to find what you need. Product was just what I needed and fit perfect

Quick and easy

thank you

Ordering was simple

Very happy with my order and how smooth it went!! Thanks again!

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