2003 Engine Kits & Rotating Assemblies

Pro LS 4340 Rotating Assembly, 347 Cid., 3.903 bore, 3.622 stroke, 58x, 6.125 rod, 3cc dome, 11:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings, H Bearings

Part Number: SUM-R5836L9033

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Estimated Ship Date: Monday 8/25/2025

Pro LS 4340 Rotating Assembly, 347 Cid., 3.903 bore, 3.622 stroke, 58x, 6.125 rod, 7cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings, H Bearings

Part Number: SUM-R5836L9037

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Estimated Ship Date: Monday 8/25/2025

Pro LS 4340 Rotating Assembly, 410 Cid., 4.040 bore, 4.000 stroke, 58x, 6.125 rod, 8cc dish, 11.2:1 @ 65cc, 10.6:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R58400408

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Estimated Ship Date: Monday 8/25/2025

Pro LS 4340 Rotating Assembly, 346 Cid., 3.898 bore, 3.622 stroke, 24X, 6.125 rod, 7cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings, H Bearings

Part Number: SUM-R2436L8987

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Estimated Ship Date: Monday 8/25/2025

Pro LS 4340 Rotating Assembly, 347 Cid., 3.903 bore, 3.622 stroke, 24X, 6.125 rod, 3cc dome, 11:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings, H Bearings

Part Number: SUM-R2436L9033

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Estimated Ship Date: Monday 8/25/2025

Pro LS 4340 Rotating Assembly, 347 Cid., 3.903 bore, 3.622 stroke, 24X, 6.125 rod, 7cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings, H Bearings

Part Number: SUM-R2436L9037

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Estimated Ship Date: Monday 8/25/2025

Pro LS 4340 Rotating Assembly, 359 Cid., 3.780 bore, 4.000 stroke, 58x, 6.125 rod, 5cc dish, 10.9:1 @ 61cc, 10.4:1 @ 65cc, File-Fit Rings, H Bearings

Part Number: SUM-R58407805

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Estimated Ship Date: Monday 8/25/2025

Pro LS 4340 Rotating Assembly, 364 Cid., 3.810 bore, 4.000 stroke, 58x, 6.125 rod, 12cc dish, 10:2 @ 61cc, 9.7:1 @ 65cc, File-Fit Rings, H Bearings

Part Number: SUM-R584081012

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Estimated Ship Date: Monday 8/25/2025

Pro LS 4340 Rotating Assembly, 364 Cid., 3.810 bore, 4.000 stroke, 58x, 6.125 rod, 5cc dish, 11:1 @ 61cc, 10.5:1 @ 65cc, File-Fit Rings, H Bearings

Part Number: SUM-R58408105

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Estimated Ship Date: Monday 8/25/2025

Pro LS 4340 Rotating Assembly, 382 Cid., 3.898 bore, 4.000 stroke, 58x, 6.125 rod, 16cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings, H Bearings

Part Number: SUM-R584089816

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Estimated Ship Date: Monday 8/25/2025

Pro LS 4340 Rotating Assembly, 383 Cid., 3.903 bore, 4.000 stroke, 58x, 6.125 rod, 16cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings, H Bearings

Part Number: SUM-R584090316

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Estimated Ship Date: Monday 8/25/2025

Pro LS 4340 Rotating Assembly, 383 Cid., 3.903 bore, 4.000 stroke, 58x, 6.125 rod, 5cc dish, 10.9:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings, H Bearings

Part Number: SUM-R58409035

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Estimated Ship Date: Monday 8/25/2025

VERTEX TOP END PISTON KIT

Part Number: VPX-VTKTC24258

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Estimated Ship Date: Sep 15, 2025 if ordered today

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VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR00005

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Estimated Ship Date: Sep 15, 2025 if ordered today

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Complete Engine Rebuild Kit, Stock Bore, Stock Stroke, 10.20 to 1 Compression, Polaris, Kit

Part Number: VPX-WR00063

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Estimated Ship Date: Sep 15, 2025 if ordered today

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VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR101-015

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Estimated Ship Date: Sep 15, 2025 if ordered today

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

Part Number: VPX-WR101-036

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Estimated Ship Date: Sep 15, 2025 if ordered today

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

Part Number: VPX-WR101-054

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Estimated Ship Date: Sep 15, 2025 if ordered today

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

Part Number: VPX-WR101-056

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Estimated Ship Date: Sep 15, 2025 if ordered today

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

Part Number: VPX-WR101-063

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Estimated Ship Date: Sep 15, 2025 if ordered today

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

Part Number: VPX-WR101-077

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Estimated Ship Date: Sep 15, 2025 if ordered today

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VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR101-083

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Estimated Ship Date: Sep 15, 2025 if ordered today

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

Part Number: VPX-WR101-094

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Estimated Ship Date: Sep 15, 2025 if ordered today

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TOP END KIT FR WITH CAM CHAIN

Part Number: VPX-VTKTC22915A

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Estimated Ship Date: Sep 15, 2025 if ordered today

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTKTC23104

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Estimated Ship Date: Sep 15, 2025 if ordered today

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