Engine Kits & Rotating Assemblies

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

Part Number: FEM-205-760-000

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Engine Re-Ring, Moly, 4.030 in. Bore, .020 in. Rod, Ford, 351/400, Kit

Part Number: FEM-205624M-322

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50019-2K

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Engine Re-Ring, Moly, 4.030 in. Bore, Standard Rod, Ford, 289/302, Kit

Part Number: FEM-205-653-300

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Engine Re-Ring, Moly, 4.030 in. Bore, .010 in. Rod, Chevy, 350, Kit

Part Number: FEM-205658-31

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Engine Re-Ring, Cast, 4.125 in. Bore, Standard Rod, Chevy, 400, Kit

Part Number: FEM-205118-00

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Engine Re-Ring, Cast, 4 in. Bore, Standard Rod, Ford, 302, Kit

Part Number: FEM-205260-00

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Engine Re-Ring, Cast, 4 in. Bore, Standard Rod, Ford, Kit

Part Number: FEM-205124-00

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Engine Re-Ring, Moly, 4.030 in. Bore, Standard Rod, Chevy, 350, Kit

Part Number: FEM-205630-30

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Repair Kit, Top End, 99.150mm Bore, 10.80 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50005K

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Estimated Ship Date: Apr 27, 2026 if ordered today

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22863B

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Estimated Ship Date: Apr 24, 2026 if ordered today

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Engine Re-Ring, 4.060 in. Bore, .030 in. Rod, .030 in. Main, Chevy, Kit

Part Number: SUM-RRKIT1-633

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

Part Number: SUM-RRKIT1-312

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

Part Number: SUM-RRKIT1-321

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Top-End Piston Kit, Cast Aluminum, 48.000mm Bore, Suzuki, Kit

Part Number: VPX-VTK22877B

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Engine Re-Ring, Cast, 4 in. Bore, Standard Rod, Chevy, 350, Kit

Part Number: FEM-205158-00

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Engine Re-Ring, Cast, 4 in. Bore, Standard Rod, Chevy, Kit

Part Number: FEM-205130-00

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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: Apr 27, 2026 if ordered today

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Repair Kit, Top End, 84.98mm Bore, 9.30 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NA-20075-CK

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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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TOP END REPAIR KIT

Part Number: NTI-NA-50070-BK1

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

Part Number: FEM-205717-01

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Engine Re-Ring, Moly, 4.030 in. Bore, Standard Rod, Dodge, 360, Kit

Part Number: FEM-205622-30

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Engine Re-Ring, Moly, 4.000 in. Bore, .010 in. Rod, .020 in. Main, Chevy, 350, Kit

Part Number: FEM-205658M-012

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Engine Re-Ring, Moly, 4.030 in. Bore, .010 in. Rod, .020 in. Main, Chevy, 350, Kit

Part Number: FEM-205630M-312

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