Engines and Components› Oiling Systems
Hastings
Piston Ring Set 4.030 5/64 5/64 3/16
SKU: H01N 2M5508035
Beginner — under 30 min
Description
The set includes plasma moly, high tensile cast iron top rings, reverse twist, taper-faced cast iron second rings, and standard tension Flex-Vent stainless steel oil control rings. The bore size is 4.030 inches, with ring thickness of 5/64 inch for the top and second rings, and 3/16 inch for the oil ring. These are file-fit rings, with instructions included.
Fitment
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Specifications
| Brand | Hastings |
| Part Number | H01N 2M5508035 |
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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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