Engine Kits & Rotating Assemblies

Pro LS 4340 Piston and Rod Kit, 364 Cid., 3.810 bore, 4.000 stroke, 6.125 rod, 5cc dish, 11:1 @ 61cc, 10.5:1 @ 65cc, File-Fit Rings

Part Number: SUM-PR408105

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Pro LS 4340 Piston and Rod Kit, 408 Cid., 4.030 bore, 4.000 stroke, 6.125 rod, 8cc dish, 11.1:1 @ 65cc, 10.6:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR400308

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Pro LS 4340 Piston and Rod Kit, 416 Cid., 4.070 bore, 4.000 stroke, 6.125 rod, 21cc dish, 9.9:1 @ 65cc, 9.5:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR4007021

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Pro LS 4340 Piston and Rod Kit, 359 Cid., 3.780 bore, 4.000 stroke, 6.125 rod, 5cc dish, 10.9:1 @ 61cc, 10.4:1 @ 65cc, File-Fit Rings

Part Number: SUM-PR407805

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Pro LS 4340 Piston and Rod Kit, 364 Cid., 3.810 bore, 4.000 stroke, 6.125 rod, 12cc dish, 10:2 @ 61cc, 9.7:1 @ 65cc, File-Fit Rings

Part Number: SUM-PR4081012

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VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR00028

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Estimated Ship Date: Sep 25, 2025 if ordered today

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BOTTOM END KIT Polaris

Part Number: HRI-HR00106

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Estimated Ship Date: Sep 15, 2025 if ordered today

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BOTTOM END KIT Polaris

Part Number: HRI-HR00111

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Estimated Ship Date: Sep 15, 2025 if ordered today

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BOTTOM END KIT Polaris

Part Number: HRI-HR00118

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Estimated Ship Date: Sep 15, 2025 if ordered today

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BOTTOM END KIT Polaris

Part Number: HRI-HR00123

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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, 12.00 to 1 Compression, for use on Honda®, Kit

Part Number: VPX-WR101-032

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Estimated Ship Date: Sep 24, 2025 if ordered today

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VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR101-076

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Estimated Ship Date: Sep 24, 2025 if ordered today

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Complete Engine Rebuild Kit, Stock Bore, Stock Stroke, 9.20 to 1 Compression, Yamaha, Kit

Part Number: VPX-WR101-135

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Estimated Ship Date: Sep 24, 2025 if ordered today

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Complete Engine Rebuild Kit, Stock Bore, Stock Stroke, 9.20 to 1 Compression, Yamaha, Kit

Part Number: VPX-WR101-136

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Estimated Ship Date: Sep 24, 2025 if ordered today

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Complete Engine Rebuild Kit, Stock Bore, Stock Stroke, 8.80 to 1 Compression, Kawasaki, Kit

Part Number: VPX-WR101-164

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Estimated Ship Date: Sep 24, 2025 if ordered today

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VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR101-166

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Estimated Ship Date: Sep 24, 2025 if ordered today

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VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR00035

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Estimated Ship Date: Sep 24, 2025 if ordered today

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Garage Buddy Engine Rebuild, Bashee

Part Number: WIS-PWR100-655

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Estimated Ship Date: Sep 29, 2025 if ordered today

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Garage Buddy Engine Rebuild, Banshee

Part Number: WIS-PWR100-660

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Estimated Ship Date: Sep 29, 2025 if ordered today

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BOTTOM END KIT Polaris

Part Number: HRI-HR00107

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Estimated Ship Date: Sep 15, 2025 if ordered today

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PERFORMANCE, 131" KIT - BLACK FINS M8

Part Number: SSY-910-0763

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Estimated Ship Date: Sep 23, 2025 if ordered today

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Gasket Kit BOTTOM END KIT BOTTOM END KIT

Part Number: HRI-CBK0178

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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 23, 2025 if ordered today

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Complete Engine Rebuild Kit, Stock Bore, Stock Stroke, 12.80 to 1 Compression, KTM, Kit

Part Number: VPX-WR101-162

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Estimated Ship Date: Sep 23, 2025 if ordered today

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Complete Engine Rebuild Kit, 0.50mm Over Bore, Stock Stroke, 9.10 to 1 Compression, Yamaha, Kit

Part Number: VPX-WR101-211

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Estimated Ship Date: Sep 23, 2025 if ordered today

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