Sale

Exterior Components Body Panels and Components

Mahle

Performance Steel Napier 4.000IN x 1.2MM .135IN RW Ring Set Plain

$56.25 $53.76 Save $2.49

SKU: M002 3021390

In Stock
In Stock
Ships by Jun 14
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The MAHLE Original 302-1390 is a ring set for piston applications. It features a plain, performance steel Napier design with a 4.000" bore size. The ring set has a 1.2mm width and a 0.135" thickness.

Fitment

Fitment Guaranteed

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandMahle
Part NumberM002 3021390

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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