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MAHLE 3021284 Performance Piston Ring Set Bore Napier Steel - 4.055

Manufacturer

Part Number

3021284
Sale Price

$31.12

Estimated ship date Saturday, November 21

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No Hassle Returns

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Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The MAHLE 3021284 is a high-performance piston ring set engineered for precision-fit applications requiring a 4.055-inch bore diameter. This premium ring set features MAHLE's advanced Napier design with a durable steel construction for the second ring, delivering superior oil control and combustion sealing in demanding engine builds.

Key Specifications:

  • Bore Size: 4.055 inches
  • Ring Width: 1.0mm
  • Radial Wall Thickness: 0.136 inches
  • Second Ring: Napier-style steel construction
  • Plain ring set configuration

Performance Features:

  • Steel Napier second ring provides enhanced oil control and reduces oil consumption
  • Precision-machined for exact bore fitment with minimal blow-by
  • Optimized ring tension for balanced sealing and cylinder wall wear
  • Engineered for performance and racing applications

MAHLE is a trusted OEM supplier known for producing premium piston rings used by engine builders and performance enthusiasts worldwide. This ring set is designed for custom engine builds, rebuilds, and performance applications where precise bore sizing and reliable sealing are critical.

Order and check out is smooth.

Easy order

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Awesome

great website and checkout process

Quick, easy pay, great price!

quick access to parts and payment options

least expensive I found even with shipping

awesome dealer ..... easy site to search.... fast shipping

Thanks

Seems ok

I have found the BEST price on a part clearly overpriced at other online stores... Excellent customer service knowledgble of mustang performance! Will surely buy again!

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