Engine Kits & Rotating Assemblies

PISTON, C-SIZE, 2006-2020

Part Number: MOP-05191342AA

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Estimated Ship Date: Sep 17, 2025 if ordered today

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PISTON, B-SIZE, 2012-2020

Part Number: MOP-68165766AB

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Estimated Ship Date: Sep 17, 2025 if ordered today

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PISTON, 2014-2022

Part Number: MOP-68088071AF

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Estimated Ship Date: Sep 17, 2025 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50011K

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Estimated Ship Date: Jul 31, 2025 if ordered today

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Racing Spring Kit, Titanium, 0.450" Lift, Polaris®, Various 570's, 2014-2023

Part Number: KPM-82-86000

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Estimated Ship Date: Jul 14, 2025 if ordered today

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Racing Spring Kit, Titanium, 0.450" Lift, Kawasaki®, KX 250's, 2020-2023

Part Number: KPM-40-41600

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Estimated Ship Date: Jul 14, 2025 if ordered today

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Racing Spring Kit, HT Steel, 0.520" Lift, Indian®, Challengers (All), 2020-2023

Part Number: KPM-82-85000

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Estimated Ship Date: Jul 14, 2025 if ordered today

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Racing Spring Kit, HT Steel, 0.450" Lift, Polaris®, Various 570's, 2014-2023

Part Number: KPM-82-86010

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Estimated Ship Date: Jul 14, 2025 if ordered today

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Racing Spring Kit, Titanium, 0.435" Lift, Honda®, CRF 250R/RX, 2018-2021

Part Number: KPM-30-33600

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Estimated Ship Date: Jul 14, 2025 if ordered today

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Cover-Gear

Part Number: PWD-792748

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Estimated Ship Date: Sep 16, 2025 if ordered today

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Repair Kit, Top End, 66.34mm Bore, 8.70 to 1 Compression Ratio, Suzuki, Kit

Part Number: NTI-NX-30027K

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Estimated Ship Date: Jul 21, 2025 if ordered today

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Repair Kit, Top End, 88.95mm Bore, 11.00 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10004K

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Estimated Ship Date: Jul 21, 2025 if ordered today

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Repair Kit, Top End, 82.96mm Bore, 9.00 to 1 Compression Ratio, Arctic Cat, Suzuki, Kit

Part Number: NTI-NA-30010-4K

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Estimated Ship Date: Jul 21, 2025 if ordered today

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PISTON, 2016-2026

Part Number: MOP-68223379AD

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Estimated Ship Date: Sep 22, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-30051-BK

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Estimated Ship Date: Jul 22, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-30053K

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Estimated Ship Date: Jul 22, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-40026-BK

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Estimated Ship Date: Jul 22, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-40026-BKA

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Estimated Ship Date: Jul 22, 2025 if ordered today

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Repair Kit, Top End, 76.950mm Bore, 13.50 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NX-20031K

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Estimated Ship Date: Jul 25, 2025 if ordered today

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TOP END KIT HYPERDRYVE 103.47/+0.50 YAM

Part Number: NTI-NA-40025-2K

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Estimated Ship Date: Jul 28, 2025 if ordered today

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RERING KIT

Part Number: FEM-205-1275M622

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Estimated Ship Date: Jul 14, 2025 if ordered today

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Repair Kit, Top End, 84.97mm Bore, for use on Honda®, Kit

Part Number: NTI-NA-10040K

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Estimated Ship Date: Aug 1, 2025 if ordered today

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Repair Kit, Top End, 86.98mm Bore, 9.80 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10042-2K

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Estimated Ship Date: Aug 1, 2025 if ordered today

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Repair Kit, Top End, 79.96mm Bore, 9.90 to 1 Compression Ratio, Arctic Cat, Kawasaki, Kit

Part Number: NTI-NA-20065K

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Estimated Ship Date: Aug 1, 2025 if ordered today

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Repair Kit, Top End, 92.46mm Bore, 8.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10008-2K1

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Estimated Ship Date: Aug 1, 2025 if ordered today

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