Engine Kits & Rotating Assemblies

Pro LS 4340 Piston and Rod Kit, 382 Cid., 3.898 bore, 4.000 stroke, 6.125 rod, 16cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings

Part Number: SUM-PR4089816

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Pro LS Piston and Rod Kit, 332 Cid., 3.820 bore, Standard 3.622 stroke, 6.125 rod, 7cc dish, 9.9:1 @ 61cc, 9.4:1 @ 65cc, File-Fit Rings

Part Number: SUM-PR36L8207

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Pro LS 4340 Piston and Rod Kit, 402 Cid., 4.000 bore, 4.000 stroke, 6.125 rod, 20cc dish, 9.7:1 @ 65cc, 9.3:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR4000020

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Engine Rotating Assembly, Street/Strip, Cast Crank, Hypereutectic Pistons, I-Beam Rods, Chevy, Small Block, Kit

Part Number: ESP-13054040

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

Part Number: VPX-WR00030

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Estimated Ship Date: Jan 13, 2026 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-WR00031

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Estimated Ship Date: Jan 13, 2026 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: Jan 13, 2026 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: Jan 13, 2026 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: Jan 13, 2026 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: Jan 13, 2026 if ordered today

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VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR101-141

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Estimated Ship Date: Jan 13, 2026 if ordered today

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VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR101-161

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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: Jan 13, 2026 if ordered today

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VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR101-166

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BOTTOM END KIT Polaris

Part Number: HRI-HR00107

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Estimated Ship Date: Jan 5, 2026 if ordered today

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BOTTOM END KIT POL

Part Number: HRI-HR00253

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BOTTOM END KIT POL

Part Number: HRI-HR00254

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BOTTOM END KIT

Part Number: HRI-HR00226

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BOTTOM END KIT

Part Number: HRI-HR00227

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BOTTOM END KIT

Part Number: HRI-HR00236

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BOTTOM END KIT POL

Part Number: HRI-HR00258

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BOTTOM END KIT

Part Number: HRI-HR00187

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BOTTOM END KIT

Part Number: HRI-HR00188

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BOTTOM END KIT

Part Number: HRI-HR00190

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Estimated Ship Date: Jan 5, 2026 if ordered today

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BOTTOM END KIT CAN

Part Number: HRI-HR00191

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Estimated Ship Date: Jan 5, 2026 if ordered today

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