Engine Rotating Assemblies & Rebuild Kits

Pro LS 4340 Piston and Rod Kit, 378 Cid., 4.080 bore, 3.622 stroke, 6.125 rod, 2cc dome, 11.6:1 @ 65cc, 10.9:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR36L0802

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Pro LS Piston and Rod Kit, 330 Cid., 3.810 bore, Standard 3.622 stroke, 6.125 rod, 7cc dish, 9.8:1 @ 61cc, 9.4:1 @ 65cc, File-Fit Rings

Part Number: SUM-PR36L8107

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Engine Rebuild, Hypereutectic Flat, 4 in. Bore, .020 in. Rod, .020 in. Main, Chevy, 350, Kit

Part Number: FEM-CSMHP762-022

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ROTATING ASSEMBLY

Part Number: ESP-B1612603057

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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: Sep 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: Sep 29, 2025 if ordered today

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Top End Engine Kits CYL WORKS BIG BORE POWER VALVE CYL WORKS BIG BORE POWER VALVE INCL SIDE VALVES YZ250 '99-1

Part Number: CLW-CW-PV-K02

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Estimated Ship Date: Sep 29, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-10001-1K

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Estimated Ship Date: Sep 29, 2025 if ordered today

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VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR00028

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Estimated Ship Date: Sep 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: Sep 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 RZR 800

Part Number: CLW-61002-K01

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Estimated Ship Date: Sep 29, 2025 if ordered today

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BIG BORE KIT

Part Number: CLW-11004-K01

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Repair Kit, Top End, 46.940mm Bore, 8.40 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NX-10080K1

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Estimated Ship Date: Sep 29, 2025 if ordered today

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Repair Kit, Top End, 65.94mm Bore, High Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40002K

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Estimated Ship Date: Sep 29, 2025 if ordered today

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22860B

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Cylinder Kit, Forged Aluminum, 3.20mm Oversize Bore, for use on Honda®, Set

Part Number: CLW-11007-K01

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Cylinder Kit, Aluminum, 77.00mm Bore, Kawasaki, Suzuki, Set

Part Number: CLW-30001

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Estimated Ship Date: Sep 29, 2025 if ordered today

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

Part Number: CLW-20003-K01

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Estimated Ship Date: Sep 29, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-10081-BK

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Top End Engine Kits RAPTOR +3MM BIG BORE KIT RAPTOR +3MM BIG BORE KIT

Part Number: CLW-21004-K02

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Estimated Ship Date: Sep 29, 2025 if ordered today

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STANDARD BORE CYLINDER KIT

Part Number: CLW-30006-K02

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Repair Kit, Top End, 84.97mm Bore, for use on Honda®, Kit

Part Number: NTI-NA-10040K

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Estimated Ship Date: Sep 29, 2025 if ordered today

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QB FULL TOP END SET

Part Number: QDB-56-3902

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Estimated Ship Date: Sep 22, 2025 if ordered today

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK23430CD

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Estimated Ship Date: Sep 26, 2025 if ordered today

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VERTEX PISTON KIT

Part Number: VPX-VTKTC23908A

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Estimated Ship Date: Sep 26, 2025 if ordered today

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