Engines and Components› Pistons and Piston Rings
Wiseco
Wiseco Subaru EJ257 WRX/STI 4v Dish -19cc 100mm Piston Shelf Stock
SKU: W00C 6598M100
Moderate — 2–4 hours
Description
Constructed from 2618 high-strength alloy, this piston includes an ArmorGlide skirt coating for reduced friction and quieter operation, as well as precision ring grooves and forced pin oiling. The wrist pin, made of 5115 material, is included and is a floating style with a 0.9055-inch outer diameter.
Fitment
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Specifications
| Brand | Wiseco |
| Part Number | W00C 6598M100 |
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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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