Engine Rotating Assemblies & Rebuild Kits

Pro LS 4340 Piston and Rod Kit, 417 Cid., 4.075 bore, 4.000 stroke, 6.125 rod, 6cc dish, 11.5:1 @ 65cc, 11:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR400756

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Estimated Ship Date: Today

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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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Estimated Ship Date: Today

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HD IN-FRAME KIT

Part Number: CLE-4685133STD

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Estimated Ship Date: Sep 15, 2025 if ordered today

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HD IN-FRAME KIT

Part Number: CLE-4805021STD

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Estimated Ship Date: Sep 15, 2025 if ordered today

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ROTATING ASSEMBLY

Part Number: CPI-KV1291H-CS

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Estimated Ship Date: Oct 30, 2025 if ordered today

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BOTTOM END KIT Yamaha

Part Number: HRI-CBK0078

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Estimated Ship Date: Sep 3, 2025 if ordered today

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

Part Number: HRI-CBK0111

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Estimated Ship Date: Sep 3, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, Yamaha, YFZ450, Kit

Part Number: HRI-CBK0146

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Estimated Ship Date: Sep 3, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, Polaris, Kit

Part Number: HRI-CBK0224

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Estimated Ship Date: Sep 3, 2025 if ordered today

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BOTTOM END KIT Polaris

Part Number: HRI-HR00111

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Estimated Ship Date: Sep 3, 2025 if ordered today

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TOP END GASKET KIT, TOP END REPAIR KIT (FORGED PISTON)

Part Number: NTI-FX-40032K

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Estimated Ship Date: Sep 12, 2025 if ordered today

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TOP END GASKET KIT, TOP END REPAIR KIT (FORGED PISTON)

Part Number: NTI-FX-40033-BK

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Estimated Ship Date: Sep 12, 2025 if ordered today

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Repair Kit, Top End, 78.46mm Bore, 8.80 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10007K

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Estimated Ship Date: Sep 12, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-10025K

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Estimated Ship Date: Sep 12, 2025 if ordered today

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Repair Kit, Top End, 68.70mm Bore, 9.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10027-1K

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Estimated Ship Date: Sep 12, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-10090-2K

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Estimated Ship Date: Sep 12, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-10090K

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Estimated Ship Date: Sep 12, 2025 if ordered today

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Repair Kit, Top End, 76.45mm Bore, 8.20 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NA-20000-2K

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Estimated Ship Date: Sep 12, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-20036K

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Estimated Ship Date: Sep 12, 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: Sep 12, 2025 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-30008-6K

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Estimated Ship Date: Sep 12, 2025 if ordered today

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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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Estimated Ship Date: Sep 12, 2025 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-30014K

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Estimated Ship Date: Sep 12, 2025 if ordered today

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Repair Kit, Top End, 65.920mm Bore, 6.60 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40003K

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Estimated Ship Date: Sep 12, 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: Sep 12, 2025 if ordered today

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