Sale

Engines and Components Pistons and Piston Rings

Mahle

Mahle Rings Steel Napier THM-13 4.605 Bore x 1.0MM .136 RW Plain Ring Set (48 Qty Bulk Pack)

$1,624.40 $535.32 Save $1,089.08

SKU: M002 3021190B

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Special Order
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Mahle OE steel Napier piston rings designed for engine rebuilding projects. This bulk pack includes 48 sets. Features a 4.605-inch bore size, 1.0mm top ring width, and 0.136-inch ring groove width. The top ring has a Napier hook design for improved oil control and reduced blow-by. Constructed from steel for durability.

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 3021190B

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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