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Engines and Components› Pistons and Piston Rings

Supertech

Supertech 77.5mm Bore Piston Rings - 1x3.1 / 1.2x3.40 / 2.8x3.10mm High Performance Gas Nitrided

$31.88 $25.51 Save $6.37

SKU: S00P R77.5-GNH7750

In Stock
In Stock
Ships by Aug 4
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30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Part #: R77.5-GNH7750

MIA's Description

The Supertech R77.5-GNH7750 is a set of 77.5mm bore piston rings designed for high-performance applications. These rings feature a gas-nitrided finish for durability and superior engine sealing. The set includes rings with sizes 1x3.1mm, 1.2x3.40mm, and 2.8x3.10mm.

Fitment

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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

BrandSupertech
Part NumberS00P R77.5-GNH7750

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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