Engines and Components› Pistons and Piston Rings
CP Pistons
CP Piston 1.2mm Gas Nitr Top Ring1.2mm 2nd Stl Ring 3.0mm Oil Ring 4.125 bore RT .1395 R2 .138 R0
SKU: C00A Rs1mg660-4125-THG
Advanced — 4+ hours
Description
This set features a 1.2mm gas nitrided top ring, a 1.2mm steel second ring, and a 3.0mm oil ring. It is designed for a 4.125-inch bore, aligning with CP-Carrillo's commitment to quality and excellence in internal engine components.
Fitment
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Specifications
| Brand | CP Pistons |
| Part Number | C00A Rs1mg660-4125-THG |
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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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