Moderate — 2–4 hours
Description
With a 4.381-inch bore, these pistons are designed for a 0.030-inch oversize application. They have a compression height of 1.595 inches and utilize a press-fit wrist pin style with a 0.980-inch pin diameter. The piston ring thickness is specified as 5/64 in. x 5/64 in. x 3/16 in.
Fitment
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Specifications
| Brand | SEALED POWER |
| Part Number | S03T 466NP |
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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