Sale

Exterior Components Body Panels and Components

Mahle

Mahle Rings Steel Napier THM 4.040in x 1.5MM .151 RW Plain Ring Set

$109.80 $50.38 Save $59.42

SKU: M002 3021207

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The Mahle Rings Steel Napier THM is a plain ring set designed for engines requiring a 4.040-inch bore diameter. This set features steel Napier THM rings with a 1.5mm thickness and a .151 RW groove width. It comes as a bulk pack of 48 rings.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

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

Available on iOS & Android

Specifications

BrandMahle
Part NumberM002 3021207

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.

View Full Return Policy