Powersports Piston and Ring Kits

Repair Kit, Top End, 40.000mm Bore, 6.00 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40005K

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Repair Kit, Top End, 48.450mm Bore, 9.20 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NX-20085K

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Piston and Ring Kit, Hypereutectic, 3.442 in. Bore, Harley-Davidson®, 7.80;1 Compression Ratio, Kit

Part Number: UEM-KB263-005

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Estimated Ship Date: Nov 4, 2025 if ordered today

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Piston and Ring Kit, Hypereutectic, 3.895 in. Bore, Harley-Davidson®, 9.30:1 Compression Ratio, Kit

Part Number: UEM-KB348-020

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Estimated Ship Date: Nov 4, 2025 if ordered today

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Piston and Ring Kit, Hypereutectic, 3.528 in. Bore, Cast Iron Rings, Harley-Davidson®, Kit

Part Number: UEM-KB305-030

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Estimated Ship Date: Nov 4, 2025 if ordered today

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Piston and Ring Kit, Hypereutectic, 3.503 in. Bore, Harley-Davidson®, 10.00;1 Compression Ratio, Kit

Part Number: UEM-KB288-005

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Piston and Ring Kit, Hypereutectic, 3.503 in. Bore, Harley-Davidson®, 10.50;1 Compression Ratio, Kit

Part Number: UEM-KB266-005

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Piston and Ring Kit, Hypereutectic, 3.528 in. Bore, Harley-Davidson®, 10.50;1 Compression Ratio, Kit

Part Number: UEM-KB266-030

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Piston and Ring Kit, Hypereutectic, 3.528 in. Bore, Harley-Davidson®, 7.20;1 Compression Ratio, Kit

Part Number: UEM-KB288-030

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50019-2K

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Piston and Ring Kit, Hypereutectic, 3.528 in. Bore, Harley-Davidson®, 8.60;1 Compression Ratio, Kit

Part Number: UEM-KB258-030

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Estimated Ship Date: Nov 4, 2025 if ordered today

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Piston and Ring Kit, Hypereutectic, 3.503 in. Bore, Harley-Davidson®, 9.10;1 Compression Ratio, Kit

Part Number: UEM-KB264-005

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Estimated Ship Date: Nov 4, 2025 if ordered today

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Piston and Ring Kit, Hypereutectic, 3.518 in. Bore, Harley-Davidson®, 10.00:1 Compression Ratio, Kit

Part Number: UEM-KB414-020

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Estimated Ship Date: Nov 4, 2025 if ordered today

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Repair Kit, Top End, 86.470mm Bore, 8.20 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10001-2K

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Repair Kit, Top End, 81.96mm Bore, 9.00 to 1 Compression Ratio, Arctic Cat, Suzuki, Kit

Part Number: NTI-NA-30010K

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Repair Kit, Top End, 80.95mm Bore, 6.00 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50001-4K

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Repair Kit, Top End, 67.94mm Bore, 10.60 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40026K

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Repair Kit, Top End, 78.71mm Bore, 8.90 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10007-1K

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Repair Kit, Top End, 75.95mm Bore, 8.20 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NA-20000K

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-11001K

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Repair Kit, Top End, 54.000mm Bore, 8.20 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NX-20000K

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Repair Kit, Top End, 73.950mm Bore, 9.00 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10002K

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Repair Kit, Top End, 71.96mm Bore, 6.00 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50000K

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Estimated Ship Date: Oct 20, 2025 if ordered today

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ProX Piston Kit KX100 '95-13 (52.45mm)

Part Number: PXR-01-4195-A

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Estimated Ship Date: Oct 17, 2025 if ordered today

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Repair Kit, Top End, 67.47mm Bore, 9.30 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NA-20001-2K

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Estimated Ship Date: Oct 20, 2025 if ordered today

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