Engine Rotating Assemblies & Rebuild Kits

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-20003K

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Estimated Ship Date: May 18, 2026 if ordered today

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Repair Kit, Top End, 66.94mm Bore, High Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40002-4K

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Estimated Ship Date: May 18, 2026 if ordered today

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VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR101-049

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Estimated Ship Date: May 18, 2026 if ordered today

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BOTTOM END KIT

Part Number: HRI-HR00202

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Estimated Ship Date: May 11, 2026 if ordered today

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Rebuild Kit, Complete Bottom End, Yamaha, Kit

Part Number: HRI-CBK0129

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Estimated Ship Date: May 11, 2026 if ordered today

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BOTTOM END KIT Yamaha

Part Number: HRI-CBK0075

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Estimated Ship Date: May 11, 2026 if ordered today

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BOTTOM END KIT Polaris

Part Number: HRI-HR00107

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Estimated Ship Date: May 11, 2026 if ordered today

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Rebuild Kit, Complete Bottom End, for use on Honda®, Kit

Part Number: HRI-CBK0194

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Estimated Ship Date: May 11, 2026 if ordered today

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Repair Kit, Top End, 74.97mm Bore, 8.60 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50003-2K

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Estimated Ship Date: May 18, 2026 if ordered today

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Complete Engine Rebuild Kit, Stock Bore, Stock Stroke, KTM, Kit

Part Number: VPX-WR101-054

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Estimated Ship Date: May 18, 2026 if ordered today

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Repair Kit, Top End, 52.510mm Bore, 9.60 to 1 Compression Ratio, Kawasaki, Suzuki, Kit

Part Number: NTI-NX-20010-BK

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Estimated Ship Date: May 19, 2026 if ordered today

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BOTTOM END KIT Honda

Part Number: HRI-CBK0023

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Estimated Ship Date: May 11, 2026 if ordered today

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Complete Engine Rebuild Kit, Stock Bore, Stock Stroke, 12.00 to 1 Compression, Yamaha, Kit

Part Number: VPX-WR101-147

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Estimated Ship Date: May 19, 2026 if ordered today

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Complete Engine Rebuild Kit, Stock Bore, Stock Stroke, Kawasaki, Kit

Part Number: VPX-WR101-112

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Estimated Ship Date: May 18, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-30080K

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Estimated Ship Date: May 18, 2026 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: May 18, 2026 if ordered today

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Piston, TOP END REPAIR KIT

Part Number: NTI-NX-20000-BK

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Estimated Ship Date: May 18, 2026 if ordered today

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1999+ 4.937in 4in Bore Cylinder - Wrinkle Black

Part Number: SSY-910-0775

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Estimated Ship Date: May 18, 2026 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-40015K

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Estimated Ship Date: May 18, 2026 if ordered today

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Rebuild Kit, Complete Bottom End, KTM, 144 SX, 150 SX, 150 XC, Kit

Part Number: HRI-CBK0063

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Estimated Ship Date: May 11, 2026 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: May 18, 2026 if ordered today

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Complete Engine Rebuild Kit, Stock Bore, Stock Stroke, Husqvarna, KTM, Kit

Part Number: VPX-WR101-216

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Estimated Ship Date: May 18, 2026 if ordered today

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Repair Kit, Top End, 46.940mm Bore, 8.20 to 1 Compression Ratio, KTM, Kit

Part Number: NTI-NX-70004K

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Estimated Ship Date: May 18, 2026 if ordered today

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Rebuild Kit, Complete Bottom End, for use on Honda®, CRF450R, Kit

Part Number: HRI-CBK0086

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Estimated Ship Date: May 11, 2026 if ordered today

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Gasket Kit BOTTOM END KIT BOTTOM END KIT

Part Number: HRI-CBK0178

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Estimated Ship Date: May 11, 2026 if ordered today

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