Engine Rotating Assemblies & Rebuild Kits

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

Part Number: FEM-205630-30

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Engine Re-Ring, Moly, 4 in. Bore, .010 in. Rod, Ford, 351/400, Kit

Part Number: FEM-205-62401

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Engine Re-Ring, 4.030 in. Bore, .030 in. Rod, .030 in. Main, Chevy, Kit

Part Number: SUM-RRKIT1-333

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TOP END REPAIR KIT

Part Number: NTI-NA-10040-4K

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Repair Kit, Top End, 85.47mm Bore, for use on Honda®, Kit

Part Number: NTI-NA-10040-2K

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Estimated Ship Date: Aug 8, 2025 if ordered today

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

Part Number: SUM-RRKIT1-321

3.0 out of 5 stars ( 1 )

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Engine Re-Ring, 4.060 in. Bore, .010 in. Rod, .020 in. Main, Chevy, Kit

Part Number: SUM-RRKIT1-612

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

Part Number: SUM-RRKIT1-022

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Repair Kit, Top End, 80.95mm Bore, 6.00 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50001-4K

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Estimated Ship Date: Aug 8, 2025 if ordered today

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Repair Kit, Top End, 85.970mm Bore, 8.20 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10001K

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Estimated Ship Date: Aug 8, 2025 if ordered today

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Repair Kit, Top End, 83.450mm Bore, 9.50 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40005-2K

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Estimated Ship Date: Aug 7, 2025 if ordered today

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Repair Kit, Top End, 67.94mm Bore, 10.60 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40026K

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Estimated Ship Date: Aug 8, 2025 if ordered today

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Repair Kit, Top End, 53.960mm Bore, 8.90 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40000-CK

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Estimated Ship Date: Aug 8, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-10081-BK

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Estimated Ship Date: Aug 7, 2025 if ordered today

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Repair Kit, Top End, 53.950mm Bore, 10.70 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40009K

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Estimated Ship Date: Aug 7, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-40008K

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Estimated Ship Date: Aug 7, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-30080-2K

5.0 out of 5 stars ( 1 )

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50006-2K

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TOP END REPAIR KIT

Part Number: NTI-NA-30050K1

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Estimated Ship Date: Aug 8, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, for use on Honda®, CR250R, Kit

Part Number: HRI-CBK0031

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Repair Kit, Top End, 5.-950mm Bore, 8.90 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40000-BK1

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BOTTOM END KIT Polaris

Part Number: HRI-HR00110

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Cylinder Kit, Forged Aluminum, Standard Bore, Yamaha, Set

Part Number: CLW-20104-K01

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Cylinder Kit, Forged Aluminum, 3.00mm Oversize Bore, Yamaha, Set

Part Number: CLW-21003-K02

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Top End Engine Kits CYL WORKS STD BORE KIT HI COMP CYL WORKS STD BORE KIT HI COMP 800 SPORSTMAN/RZR/RANGER

Part Number: CLW-60002-K02HC

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