Engine Kits & Rotating Assemblies

Engine Re-Ring, Cast, 4.000 in. Bore, Standard Rod, Standard Main, Ford, 351W, Kit

Part Number: FEM-2051116M-000

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Engine Re-Ring, Moly, 3.910 in. Bore, Standard Rod, Dodge, 318, Kit

Part Number: FEM-205718A-00

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Engine Re-Ring, Moly, 4 in. Bore, .010 in. Rod, Ford, 302, Kit

Part Number: FEM-205760-01

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Engine Re-Ring, Moly, 4.000 in. Bore, .010 in. Rod, .010 in. Main, Ford, 351W, Kit

Part Number: FEM-205761M-011

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Engine Re-Ring, Moly, 4.030 in. Bore, .020 in. Rod, .010 in. Main, Chevy, 327, Kit

Part Number: FEM-205662M-321

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

Part Number: SUM-RRKIT1-431

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Repair Kit, Top End, 95.500mm Bore, 8.50 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40007-2K

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Estimated Ship Date: Jan 12, 2026 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

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 13, 2026 if ordered today

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

Part Number: NTI-FX-40033K

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Estimated Ship Date: Jan 13, 2026 if ordered today

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Repair Kit, Top End, 68.95mm Bore, 9.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10027-2K

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Estimated Ship Date: Jan 13, 2026 if ordered today

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TOP END PISTON KIT

Part Number: VPX-VTK23928B-3

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Estimated Ship Date: Jan 12, 2026 if ordered today

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTKTC24258

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Estimated Ship Date: Jan 13, 2026 if ordered today

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22685C

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Estimated Ship Date: Jan 13, 2026 if ordered today

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22685C-1

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Estimated Ship Date: Jan 13, 2026 if ordered today

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22813CD

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Estimated Ship Date: Jan 13, 2026 if ordered today

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22860B

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Estimated Ship Date: Jan 13, 2026 if ordered today

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22863B-1

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Estimated Ship Date: Jan 13, 2026 if ordered today

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22926B

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Estimated Ship Date: Jan 13, 2026 if ordered today

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22926C

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Estimated Ship Date: Jan 13, 2026 if ordered today

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22991A

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Estimated Ship Date: Jan 13, 2026 if ordered today

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Repair Kit, Top End, 84.44mm Bore, 6.90 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50002-6K

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Estimated Ship Date: Jan 13, 2026 if ordered today

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Repair Kit, Top End, 82.94mm Bore, 6.90 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50002K

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Estimated Ship Date: Jan 13, 2026 if ordered today

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Repair Kit, Top End, 75.97mm Bore, 8.60 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50003-6K

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Estimated Ship Date: Jan 13, 2026 if ordered today

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Repair Kit, Top End, 92.47mm Bore, 10.20 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50004-2K

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Estimated Ship Date: Jan 13, 2026 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50026K

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Estimated Ship Date: Jan 13, 2026 if ordered today

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