Engines and Components› Pistons and Piston Rings
CP Pistons
CP Ring Set 1.5mm Top Ring - 1.5mm 2nd Ring - 3.0mm Oil Ring - 4.130in Bore (Single Cylinder Set)
SKU: C00A RS1MGNHD-4130
Easy — 1–2 hours
Description
The ring set features a 1.2mm gas-nitrided moly top ring for hardness and wear resistance, and a 1.5mm Napier second ring with a hooked face profile for improved oil control. A 3.0mm steel oil control ring completes the set.
Fitment
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Available on iOS & Android
Specifications
| Brand | CP Pistons |
| Part Number | C00A RS1MGNHD-4130 |
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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