1999 Engine Kits & Rotating Assemblies

Pro LS 4340 Rotating Assembly, 365 Cid., 4.005 bore, 3.622 stroke, 58x, 6.098 rod, 12cc dish, 9.6:1 @ 65cc, 9.2:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R583600512

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Pro LS Rotating Assembly, 370 Cid., 4.030 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-R58360302

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Pro LS 4340 Rotating Assembly, 371 Cid., 4.040 bore, 3.622 stroke, 58x, 6.098 rod, 12cc dish, 9.8:1 @ 65cc, 9.3:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R583604012

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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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Pro LS Rotating Assembly, 330 Cid., 3.810 bore, Standard 3.622 stroke, 58x, 6.098 rod, 2cc dome, 11:1 @ 61cc, 10.4:1 @ 65cc, File-Fit Rings, H Bearing

Part Number: SUM-R58368102

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Pro LS Piston and Rod Kit, 371 Cid., 4.040 bore, 3.622 stroke, 6.098 rod, 2cc Flat Top, 10.9:1 @ 65cc, 10.3:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR360402

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Pro LS 4340 Rotating Assembly, 365 Cid., 4.005 bore, 3.622 stroke, 24X, 6.098 rod,12cc dish, 9.6:1 @ 65cc, 9.2:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R243600512

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Pro LS 4340 Rotating Assembly, 371 Cid., 4.040 bore, 3.622 stroke, 24X, 6.098 rod, 12cc dish, 9.8:1 @ 65cc, 9.3:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R243604012

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Pro LS Rotating Assembly, 371 Cid., 4.040 bore, 3.622 stroke, 24X, 6.098 rod, 2cc Flat Top, 10.9:1 @ 65cc, 10.3:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R24360402

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VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR101-010

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Estimated Ship Date: Mar 24, 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: Mar 24, 2026 if ordered today

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Complete Engine Rebuild Kit, Stock Bore, Stock Stroke, Yamaha, Kit

Part Number: VPX-WR101-093

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Estimated Ship Date: Mar 24, 2026 if ordered today

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Complete Engine Rebuild Kit, Stock Bore, Stock Stroke, Kawasaki, Kit

Part Number: VPX-WR101-113

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Estimated Ship Date: Mar 24, 2026 if ordered today

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22481CD

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Estimated Ship Date: Mar 24, 2026 if ordered today

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

Part Number: VPX-WR101-014

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Estimated Ship Date: Mar 24, 2026 if ordered today

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BOTTOM END KIT Kawasaki SUZ

Part Number: HRI-CBK0049

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Estimated Ship Date: Mar 17, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-40005-4K

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Estimated Ship Date: Mar 26, 2026 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-11001-2K

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Estimated Ship Date: Mar 26, 2026 if ordered today

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Repair Kit, Top End, 69.47mm Bore, 9.00 to 1 Compression Ratio, Suzuki, Kit

Part Number: NTI-NA-30001-4K

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Estimated Ship Date: Mar 26, 2026 if ordered today

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Repair Kit, Top End, 83.44mm Bore, 6.90 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50002-2K

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Estimated Ship Date: Mar 26, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-10001-1K

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Estimated Ship Date: Mar 26, 2026 if ordered today

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Repair Kit, Top End, 68.95mm Bore, 9.00 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10025-2K

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Estimated Ship Date: Mar 26, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-10000-2K

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Estimated Ship Date: Mar 26, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-10025-2K

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Estimated Ship Date: Mar 26, 2026 if ordered today

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Repair Kit, Top End, 66.340mm Bore, 8.70 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NX-10025K

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Estimated Ship Date: Mar 26, 2026 if ordered today

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