Item specifics
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Condition
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Other Part Number
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K8500XX
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Item Thickness
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1mm, 1.2mm and 2.8mm
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Fitment Type
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Direct Replacement
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Items Included
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Piston Rings
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Manufacturer Part Number
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21-GNHO8500
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Piston Diameter
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85mm
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Material
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Cast Iron, Steel
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Vintage Part
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No
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California Prop 65 Warning
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Warning – Cancer and Reproductive Harm – www.P65Warnings.ca.gov
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Brand
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NPR
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Bore Size
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85mm
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Type
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Piston Ring Set
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Manufacturer Warranty
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60 Day
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Cylinder Bore Diameter
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3.346
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Country/Region of Manufacture
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Japan
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Universal Fitment
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Yes
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Performance Part
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No
Item description from the seller
New
Brand new set of 4 complete sets, for 4 cylinder engine
Popular engines include Honda B20 engine
Bore is 85.00mm Piston Ring Set 8500XX for Wiseco, CP Pistons, JE pistons, Arias pistons and Supertech pistons
Verify your ring land thicknesses but most common is 1.0 top ring, 1.2mm 2nd and 2.8mm oil control rings
These are the famous Nippon Piston Rings with the gas nitrited top ring and high tension oil control rings. One of the best rings on the market. These are the same rings as the famous Wiseco 8500XX ring
Top ring:
1mm / 0.039″ thick
Alloy steel, Gas nitrided, and barrel faced
2nd ring:
1.2mm / 0.047″ thick
Cast iron, phosphate coated, and taper faced, Napier hood.
Oil ring:
2.8mm / 0.110″ thick
3 piece assembly, stainless steel flex vent spacer, and gas nitrided rails.
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