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Namura Technologies Piston Rings
RING KIT
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Estimated Ship Date: Nov 12, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
NX-40005R
Part Type:
Product Line:
Summit Racing Part Number:
NTI-NX-40005R
Bore (mm):
39.960mm
Top Ring Included:
Yes
Second Ring Included:
Yes
Oil Ring Included:
No
File Fit:
No
Gapless:
No
Quantity:
Sold as a set.
Namura Technologies Piston Rings
These piston rings from Namura Technologies offer a steel top ring that has been gas nitrided. Plus, a second ring that is cast iron acts as a wiper and pushes the oil away from the combustion chamber. Some kits will also include an oil ring made of nitride coated stainless steel. These top-quality Namura Technologies piston rings will help to increase engine performance and are designed for years of durable use.
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Some parts are not legal for use in California or other states with similar laws / regulations
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