Engine Rotating Assemblies & Rebuild Kits

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: May 19, 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: May 18, 2026 if ordered today

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Rebuild Kit, Complete Bottom End, for use on Honda®, CRF450R, Kit

Part Number: HRI-CBK0124

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Estimated Ship Date: May 11, 2026 if ordered today

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VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR00011

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Estimated Ship Date: May 18, 2026 if ordered today

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Repair Kit, Top End, 85.470mm Bore, 11.00 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10003-2K

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Estimated Ship Date: May 18, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-50024-6K

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Estimated Ship Date: May 18, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-50024K

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Estimated Ship Date: May 18, 2026 if ordered today

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Repair Kit, Top End, 53.940mm Bore, 8.80 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NX-10000K2

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Estimated Ship Date: May 18, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-70001-BK

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Estimated Ship Date: May 18, 2026 if ordered today

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Repair Kit, Top End, 66.34mm Bore, 8.70 to 1 Compression Ratio, Suzuki, Kit

Part Number: NTI-NX-30027K

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Estimated Ship Date: May 18, 2026 if ordered today

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Rebuild Kit, Complete Bottom End, Yamaha, YFM660F, YXR66F, Kit

Part Number: HRI-CBK0152

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Estimated Ship Date: May 11, 2026 if ordered today

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BOTTOM END KIT

Part Number: HRI-HR00235

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Estimated Ship Date: May 11, 2026 if ordered today

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BOTTOM END KIT Polaris

Part Number: HRI-HR00116

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Estimated Ship Date: May 11, 2026 if ordered today

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Complete Engine Rebuild Kit, Stock Bore, Stock Stroke, for use on Honda®, Kit

Part Number: VPX-WR101-100

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Estimated Ship Date: May 18, 2026 if ordered today

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VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR101-177

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Estimated Ship Date: May 18, 2026 if ordered today

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Complete Engine Rebuild Kit, Stock Bore, Stock Stroke, for use on Honda®, Kit

Part Number: VPX-WR101-130

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Estimated Ship Date: May 18, 2026 if ordered today

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Engine Rebuild, Hypereutectic Flat, 4.000 in. Bore, .010 in. Rod, .010 in. Main, Chevy, 5.7L, Kit

Part Number: FEM-MKP6152A-011

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Estimated Ship Date: Tomorrow

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Pro LS Rotating Assembly, 371 Cid., 4.040 bore, 3.622 stroke, 58x, 6.098 rod, 2cc Flat Top, 10.9:1 @ 65cc, 10.3:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R58360402

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Estimated Ship Date: Tomorrow

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NX-30004-CK

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Estimated Ship Date: May 19, 2026 if ordered today

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Repair Kit, Top End, 53.940mm Bore, 8.80 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NX-10000K1

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Estimated Ship Date: May 18, 2026 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: May 18, 2026 if ordered today

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Pro LS 4340 Rotating Assembly, 378 Cid., 4.080 bore, 3.622 stroke, 24X, 6.125 rod, 12cc dish, 9.9:1 @ 65cc, 9.4:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R2436L08012

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Estimated Ship Date: Tomorrow

Rebuild Kit, Complete Bottom End, Yamaha, YZ250F, Kit

Part Number: HRI-CBK0087

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Estimated Ship Date: May 11, 2026 if ordered today

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VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR101-026

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Estimated Ship Date: May 18, 2026 if ordered today

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Repair Kit, Top End, 66.350mm Bore, 8.60 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NX-20025K

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Estimated Ship Date: May 18, 2026 if ordered today

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