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Piston ring set NPR for 1 cylinder / bore: 77 mm / 1.0 GN x 1.2 FE x 2.8 GN, 1 CYL

Reference: NPR-21-GNH07700

Supplier Ref.: 21-GNH07700

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CHF 40.50 Tax included

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Shipped between 2026-09-14 and 2026-09-16 from our warehouse

CHF 40.50 (tax incl.)

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Piston ring set NPR for 1 cylinder / bore: 77 mm / 1.0 GN x 1.2 FE x 2.8 GN, 1 CYL

Optimise the sealing and performance of your engine with this set of NPR piston rings for 1 cylinder. Designed to offer maximum compression and reduced friction, these rings ensure optimal operation of your engine.

This set of 3 NPR rings has been manufactured for a cylinder with a 77 mm bore.

Bore: 77 mm

Specifications:

Top ring:

— Width: 1 mm

— Radial depth: 2.70 mm

— Material: Steel

— Surface treatment: Gas nitriding

Compression ring:

— Width: 1.20 mm

— Radial depth: 3.20 mm

— Material: Iron

— Surface treatment: Phosphate

Oil control ring:

— Width: 2.80 mm

— Radial depth: 3.10 mm

— Material: Steel

— Surface treatment: Gas nitriding

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