Engines and Components› Pistons and Piston Rings
Manley Performance
Manley Ring Set Subaru EJ205WRX / EJ257 WRX STi 100mm File Fit 1.2mm x 1.2mm x 2.0mm - Single
SKU: M004 461000DT-1
Advanced — 4+ hours
Description
Constructed from premium steel, this piston ring offers durability and longevity for demanding applications. It features a 100.0mm bore size for a precise fit and is designed for file fit customization. The ring widths are optimized at 1.2mm x 1.2mm x 2.0mm, with an oil ring tension of 9-13 lbs. to ensure effective oil control. This ring is sold individually.
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
| Brand | Manley Performance |
| Part Number | M004 461000DT-1 |
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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