Engine Rotating Assemblies & Rebuild Kits

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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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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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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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, 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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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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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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Gasket Kit COMPLETE BOTTOM END KIT COMPLETE BOTTOM END KIT

Part Number: HRI-CBK0182

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Estimated Ship Date: May 11, 2026 if ordered today

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VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR00070

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Estimated Ship Date: May 18, 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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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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Repair Kit, Top End, 83.94mm Bore, 6.90 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50002-4K

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Estimated Ship Date: May 19, 2026 if ordered today

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Repair Kit, Top End, 68.95mm Bore, 9.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10027-2K

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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-CBK0124

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Estimated Ship Date: May 11, 2026 if ordered today

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Rebuild Kit, Complete Bottom End, Yamaha, YFM660F, YXR66F, Kit

Part Number: HRI-CBK0152

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Estimated Ship Date: May 11, 2026 if ordered today

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VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR101-177

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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, for use on Honda®, Kit

Part Number: VPX-WR101-130

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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, for use on Honda®, Kit

Part Number: VPX-WR101-100

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

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TOP END REPAIR KIT

Part Number: NTI-NX-70001-BK

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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-WR00011

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Estimated Ship Date: May 18, 2026 if ordered today

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Repair Kit, Top End, 85.470mm Bore, 11.00 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10003-2K

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Estimated Ship Date: May 18, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-50024-6K

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Estimated Ship Date: May 18, 2026 if ordered today

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