Engine Kits & Rotating Assemblies

Repair Kit, Top End, 83.94mm Bore, 6.90 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50002-4K

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Repair Kit, Top End, 74.97mm Bore, 8.60 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50003-2K

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Repair Kit, Top End, 75.47mm Bore, 8.60 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50003-4K

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Estimated Ship Date: Jan 12, 2026 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: Jan 5, 2026 if ordered today

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VERTEX PISTON KIT

Part Number: VPX-23965A

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Estimated Ship Date: Jan 12, 2026 if ordered today

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VERTEX PISTON KT HC FORGED

Part Number: VPX-24028A

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Estimated Ship Date: Jan 12, 2026 if ordered today

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VERTEX PISTON KIT

Part Number: VPX-24259050

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Estimated Ship Date: Jan 12, 2026 if ordered today

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VERTEX PISTON KIT

Part Number: VPX-24264B

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Estimated Ship Date: Jan 12, 2026 if ordered today

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VERTEX PISTON KIT-FORGED

Part Number: VPX-24265B

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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-VTK22584B-2

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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-VTK22803B

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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-VTK22809B

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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-VTK22854B

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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-VTK22926B-1

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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-VTK23430CD

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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-VTKTC23623B

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Repair Kit, Top End, 84.950mm Bore, 10.00 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40011-2K

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-10046K

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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-VTK22481CD

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Repair Kit, Top End, 89.97mm Bore, 11.30 to 1 Compression Ratio, Arctic Cat, Kawasaki, Suzuki, Kit

Part Number: NTI-NA-30002-BK

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Estimated Ship Date: Dec 29, 2025 if ordered today

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RE-RING KIT ECO. RINGS

Part Number: FEM-205129-00

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Estimated Ship Date: Dec 22, 2025 if ordered today

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RERING KIT

Part Number: FEM-205-1275M622

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Engine Re-Ring, Moly, 4.030 in. Bore, .010 in. Rod, .030 in. Main, Chevy, Small Block, Kit

Part Number: FEM-205-630M-331

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Engine Re-Ring, Cast, 3.910 in. Bore, .020 Rod, Dodge, 318, Kit

Part Number: FEM-205217-02

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Engine Re-Ring, Moly, 4.030 in. Bore, .030 in. Rod, .020 in. Main, Chevy, 350, Kit

Part Number: FEM-205630M-332

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Estimated Ship Date: Dec 22, 2025 if ordered today

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