Engine Rotating Assemblies & Rebuild Kits

VERTEX PISTON KIT

Part Number: VPX-VTKTC23908A

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Estimated Ship Date: Jul 31, 2025 if ordered today

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3.622" stroke, internal balance, billet 4340 steel, center-counterweighted Chevrolet Gen III "LS", no reluctor

Part Number: ESP-334536236100

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Estimated Ship Date: Aug 7, 2025 if ordered today

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4.000" stroke, internal balance, billet 4340 steel, center-counterweighted Chevrolet Gen III "LS", no reluctor

Part Number: ESP-334540016100

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Estimated Ship Date: Aug 7, 2025 if ordered today

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Cylinder Kit, Forged Piston, Standard Bore, Yamaha, 13.00 to 1 Compression Ratio, Kit

Part Number: CLW-20001-K01HC

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Estimated Ship Date: Jul 29, 2025 if ordered today

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Cylinder Kit, Forged Piston, Standard Bore, Gaskets, Rings, Yamaha, Motorcycle, Kit

Part Number: CLW-20002-K03

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Estimated Ship Date: Jul 29, 2025 if ordered today

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CYL WORKS STD BORE KIT YZ450F

Part Number: CLW-20005-K02

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Estimated Ship Date: Jul 29, 2025 if ordered today

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Top End Engine Kit STANDARD BORE CYLINDER KIT STANDARD BORE CYLINDER KIT

Part Number: CLW-20010-K02

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Estimated Ship Date: Jul 29, 2025 if ordered today

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Cylinder Kit, Forged Piston, 2.00mm Oversize Bore, KTM, 13.50 to 1 Compression Ratio, Kit

Part Number: CLW-50001-K01

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Estimated Ship Date: Jul 29, 2025 if ordered today

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Cylinder Kit, Forged Aluminum, 4.00mm Oversize Bore, KTM, Set

Part Number: CLW-51002-K01

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Estimated Ship Date: Jul 29, 2025 if ordered today

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Top End Engine Kits CYL WORKS BIG BORE KIT POLARIS CYL WORKS BIG BORE KIT POLARIS 1000 RZR XP '14-15

Part Number: CLW-61003-K01

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Estimated Ship Date: Jul 29, 2025 if ordered today

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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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Estimated Ship Date: Jul 29, 2025 if ordered today

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Repair Kit, Top End, 84.450mm Bore, 10.00 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40011K

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Estimated Ship Date: Jul 29, 2025 if ordered today

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Piston, TOP END REPAIR KIT

Part Number: NTI-NA-40080K

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Estimated Ship Date: Jul 29, 2025 if ordered today

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Repair Kit, Top End, 53.940mm Bore, 10.80 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40001K

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Estimated Ship Date: Jul 29, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-40085-CK

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Estimated Ship Date: Jul 29, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-70002-6BK

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Estimated Ship Date: Jul 29, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-70002-6CK

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Estimated Ship Date: Jul 29, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-70004-CK

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Estimated Ship Date: Jul 29, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-70020K

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Estimated Ship Date: Jul 29, 2025 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50012-2K

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Estimated Ship Date: Jul 29, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-50025-4K

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Estimated Ship Date: Jul 29, 2025 if ordered today

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Repair Kit, Top End, 47.44mm Bore, 8.40 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NX-10081K

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Estimated Ship Date: Jul 29, 2025 if ordered today

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Repair Kit, Top End, 66.350mm Bore, 8.60 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NX-20025K

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Estimated Ship Date: Jul 29, 2025 if ordered today

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Repair Kit, Top End, 66.35mm Bore, 8.60 to 1 Compression Ratio, Suzuki, Kit

Part Number: NTI-NX-30024K2

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Estimated Ship Date: Jul 29, 2025 if ordered today

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

Part Number: HRI-CBK0017

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Estimated Ship Date: Jul 21, 2025 if ordered today

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