Engine Rotating Assemblies & Rebuild Kits

Pro LS 4340 Piston and Rod Kit, 367 Cid., 3.820 bore, 4.000 stroke, 6.125 rod, 12cc dish, 10:2 @ 61cc, 9.8:1 @ 65cc, File-Fit Rings

Part Number: SUM-PR4082012

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Pro LS 4340 Piston and Rod Kit, 367 Cid., 3.820 bore, 4.000 stroke, 6.125 rod, 5cc dish, 11:1 @ 61cc, 10.5:1 @ 65cc, File-Fit Rings

Part Number: SUM-PR408205

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Pro LS 4340 Piston and Rod Kit, 383 Cid., 3.903 bore, 4.000 stroke, 6.125 rod, 16cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings

Part Number: SUM-PR4090316

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Pro LS 4340 Piston and Rod Kit, 383 Cid., 3.903 bore, 4.000 stroke, 6.125 rod, 5cc dish, 10.9:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings

Part Number: SUM-PR409035

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22991A

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Estimated Ship Date: Oct 2, 2025 if ordered today

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22995B

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Estimated Ship Date: Oct 2, 2025 if ordered today

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK23140C

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Estimated Ship Date: Oct 2, 2025 if ordered today

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TOP END KIT FR WITH CAM CHAIN

Part Number: VPX-VTKTC23127B

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Estimated Ship Date: Oct 2, 2025 if ordered today

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTKTC23623B

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Estimated Ship Date: Oct 2, 2025 if ordered today

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Complete Engine Rebuild Kit, Stock Bore, Stock Stroke, 8.80 ro 1 Compression, for use on Honda®, Kit

Part Number: VPX-WR00007

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Estimated Ship Date: Oct 2, 2025 if ordered today

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VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR00017

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Estimated Ship Date: Oct 2, 2025 if ordered today

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Complete Engine Rebuild Kit, Stock Bore, Stock Stroke, 12.80 to 1 Compression, KTM, Kit

Part Number: VPX-WR00031

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Estimated Ship Date: Oct 2, 2025 if ordered today

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VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR00035

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Estimated Ship Date: Oct 2, 2025 if ordered today

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VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR00048

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Estimated Ship Date: Oct 2, 2025 if ordered today

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VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR00069

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Estimated Ship Date: Oct 2, 2025 if ordered today

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VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR00071

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Estimated Ship Date: Oct 2, 2025 if ordered today

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VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR00073

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Estimated Ship Date: Oct 2, 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 29, 2025 if ordered today

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

Part Number: HRI-CBK0043

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Estimated Ship Date: Sep 22, 2025 if ordered today

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

Part Number: HRI-CBK0080

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Estimated Ship Date: Sep 22, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, Yamaha, YFM350 Raptor, YFM350X Warrior, Kit

Part Number: HRI-CBK0082

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Estimated Ship Date: Sep 22, 2025 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: Sep 30, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-30080-BK

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Estimated Ship Date: Sep 30, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-70000K

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Estimated Ship Date: Sep 30, 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: Sep 30, 2025 if ordered today

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