Engine Kits & Rotating Assemblies

Engine Re-Ring, 4.040 in. Bore, .030 in. Rod, .010 in. Main, Chevy, Kit

Part Number: SUM-RRKIT1-431

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Engine Re-Ring, 4.040 in. Bore, .030 in. Rod, .030 in. Main, Chevy, Kit

Part Number: SUM-RRKIT1-433

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Engine Rebuild Kits, Re-Ring, 4.030 in. Bore, 0.010 in. Rod Bearing Crank Undersize, 0.010 in. Main Bearing Crank Undersize, Gaskets, Chevrolet, Kit

Part Number: FEM-205-6284M311

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Repair Kit, Top End, 93.47mm Bore, 10.20 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50004-6K

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Engine Re-Ring, 4.000 in. Bore, .030 in. Rod, .030 in. Main, Chevy, Kit

Part Number: SUM-RRKIT1-033

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QB FULL TOP END SET

Part Number: QDB-56-4293

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Estimated Ship Date: Aug 4, 2025 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50019K

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Estimated Ship Date: Aug 11, 2025 if ordered today

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BORE KIT - 88CC

Part Number: BRM-411-HXR-7001

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Estimated Ship Date: Aug 11, 2025 if ordered today

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

Part Number: HRI-CBK0045

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Estimated Ship Date: Aug 4, 2025 if ordered today

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PISTON KIT - 195CC BORE KIT

Part Number: BRM-411-HCF-1911

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Estimated Ship Date: Aug 11, 2025 if ordered today

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88CC BIG BORE PISTON KIT

Part Number: BRM-411-HXR-5411

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Estimated Ship Date: Aug 11, 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: Aug 11, 2025 if ordered today

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Top End Engine Kits CYL WORKS STD BORE POWER VALVE CYL WORKS STD BORE POWER VALVE YZ250 '99-15

Part Number: CLW-CW-PV-K01

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Estimated Ship Date: Aug 11, 2025 if ordered today

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Repair Kit, Top End, 79.950mm Bore, 10.20 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50080K

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Estimated Ship Date: Aug 11, 2025 if ordered today

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Piston, TOP END REPAIR KIT

Part Number: NTI-NA-50081K

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Estimated Ship Date: Aug 11, 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: Aug 11, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-20017K

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Estimated Ship Date: Aug 11, 2025 if ordered today

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Repair Kit, Top End, 76.950mm Bore, 12.60 to 1 Compression Ratio, Kawasaki, Suzuki, Kit

Part Number: NTI-NX-20030K

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Estimated Ship Date: Aug 11, 2025 if ordered today

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Repair Kit, Top End, 66.360mm Bore, 10.90 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40025-BKA

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Estimated Ship Date: Aug 11, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-40026-CKA

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Estimated Ship Date: Aug 11, 2025 if ordered today

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

Part Number: NTI-FX-40032-BK

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Estimated Ship Date: Aug 11, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-10001-3K

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Estimated Ship Date: Aug 11, 2025 if ordered today

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Repair Kit, Top End, 86.470mm Bore, 11.00 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10003-6K

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Estimated Ship Date: Aug 11, 2025 if ordered today

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Repair Kit, Top End, 73.95mm Bore, 8.90 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10005K

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Estimated Ship Date: Aug 11, 2025 if ordered today

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Repair Kit, Top End, 92.96mm Bore, 8.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10008-4K1

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Estimated Ship Date: Aug 11, 2025 if ordered today

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