Engine Kits & Rotating Assemblies

Repair Kit, Top End, 66.340mm Bore, 8.70 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NX-10025K

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Estimated Ship Date: Aug 22, 2025 if ordered today

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Repair Kit, Top End, 66.360mm Bore, 10.90 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40025-BKA

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Estimated Ship Date: Aug 22, 2025 if ordered today

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Repair Kit, Top End, 92.96mm Bore, 8.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10008-4K1

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Estimated Ship Date: Aug 22, 2025 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-10014-2K

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Estimated Ship Date: Aug 22, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-10027-4K

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Estimated Ship Date: Aug 22, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-10043-4K

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Estimated Ship Date: Aug 22, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-20036K

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Estimated Ship Date: Aug 22, 2025 if ordered today

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Repair Kit, Top End, 87.45mm Bore, 10.20 to 1 Compression Ratio, Arctic Cat, Suzuki, Kit

Part Number: NTI-NA-30050K

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Estimated Ship Date: Aug 22, 2025 if ordered today

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TOP END KIT HYPERDRYVE 94.96/+0.01 11.4:1 YAM

Part Number: NTI-NA-40009-BHK

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Estimated Ship Date: Aug 22, 2025 if ordered today

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TOP END GASKET KIT, TOP END REPAIR KIT (FORGED PISTON)

Part Number: NTI-FX-40032-BK

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Estimated Ship Date: Aug 22, 2025 if ordered today

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Repair Kit, Top End, 86.470mm Bore, 11.00 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10003-6K

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Estimated Ship Date: Aug 22, 2025 if ordered today

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Repair Kit, Top End, 78.96mm Bore, 8.80 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10007-2K

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Estimated Ship Date: Aug 22, 2025 if ordered today

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Top End Engine Kits CYL WORKS STD BORE POWER VALVE CYL WORKS STD BORE POWER VALVE YZ250 '99-15

Part Number: CLW-CW-PV-K01

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Estimated Ship Date: Aug 22, 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: Aug 7, 2025 if ordered today

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Engine Re-Ring, Cast, 4 in. Bore, .030 in. Rod, Chevy, Kit

Part Number: FEM-205130-03

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Estimated Ship Date: Tomorrow if ordered today

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Engine Re-Ring, Moly, 4.000 in. Bore, .030 in. Rod, .010 in. Main, Chevy, 350, Kit

Part Number: FEM-205630M-031

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Engine Re-Ring, Moly, 4.000 in. Bore, .030 in. Rod, .010 in. Main, Chevy, 350, Kit

Part Number: FEM-205630M-030

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Engine Re-Ring, Moly, 3.875 in. Bore, 020 in. Rod, .020 in. Main, Chevy, 307, Kit

Part Number: FEM-205-619M022

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RE-RING KIT

Part Number: FEM-205-6284M632

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Estimated Ship Date: Aug 4, 2025 if ordered today

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Cover-Gear

Part Number: PWD-792748

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Estimated Ship Date: Oct 15, 2025 if ordered today

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PISTON, 2011-2024

Part Number: MOP-05184347AH

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Estimated Ship Date: Oct 20, 2025 if ordered today

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BIG BORE KIT CRF110

Part Number: BRM-411-HCF-1151

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Estimated Ship Date: Tomorrow if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-20036-6K

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Estimated Ship Date: Aug 18, 2025 if ordered today

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PISTON, B-SIZE, 2012-2020

Part Number: MOP-68165766AB

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Estimated Ship Date: Oct 16, 2025 if ordered today

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PISTON, B-SIZE, 2006-2017

Part Number: MOP-05191338AA

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Estimated Ship Date: Oct 16, 2025 if ordered today

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