Engine Rotating Assemblies & Rebuild Kits

TOP END KIT TWIN CYLINDER 90.42/STD POL

Part Number: NTI-NA-50093K

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Estimated Ship Date: Sep 9, 2025 if ordered today

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TOP END KIT TWIN CYLINDER 90.96/STD CAN

Part Number: NTI-NA-80010K

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Estimated Ship Date: Sep 9, 2025 if ordered today

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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: Sep 9, 2025 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-11000K

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Repair Kit, Top End, 84.96mm Bore, 9.30 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NA-20075K

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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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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-30014-CK

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-30015K

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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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TOP END REPAIR KIT

Part Number: NTI-NA-30053K

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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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Repair Kit, Top End, 67.420mm Bore, 6.60 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40003-6K

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TOP END REPAIR KIT

Part Number: NTI-NA-40007-4K

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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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Repair Kit, Top End, 101.980mm Bore, 9.40 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40012-BK

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22581B

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22685C

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22685C-1

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22803B

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22854B

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22926B

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VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR101-129

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Estimated Ship Date: Sep 9, 2025 if ordered today

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

Part Number: VPX-WR101-134

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Estimated Ship Date: Sep 9, 2025 if ordered today

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Complete Engine Rebuild Kit, Stock Bore, Stock Stroke, 9.10 to 1 Compression, Yamaha, Kit

Part Number: VPX-WR101-137

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VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR101-141

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