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, 367 Cid., 3.820 bore, 4.000 stroke, 6.125 rod, 12cc dish, 10:2 @ 61cc, 9.8:1 @ 65cc, File-Fit Rings

Part Number: SUM-PR4082012

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Pro LS 4340 Piston and Rod Kit, 367 Cid., 3.820 bore, 4.000 stroke, 6.125 rod, 5cc dish, 11:1 @ 61cc, 10.5:1 @ 65cc, File-Fit Rings

Part Number: SUM-PR408205

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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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Gasket Kit BOTTOM END KIT BOTTOM END KIT

Part Number: HRI-CBK0178

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Estimated Ship Date: Jan 5, 2026 if ordered today

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BOTTOM END KIT Polaris

Part Number: HRI-HR00122

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Estimated Ship Date: Jan 5, 2026 if ordered today

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BOTTOM END KIT Polaris

Part Number: HRI-HR00123

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Estimated Ship Date: Jan 5, 2026 if ordered today

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BOTTOM END KIT Polaris

Part Number: HRI-HR00107

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Estimated Ship Date: Dec 31, 2025 if ordered today

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BOTTOM END KIT POL

Part Number: HRI-HR00253

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Estimated Ship Date: Dec 31, 2025 if ordered today

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BOTTOM END KIT POL

Part Number: HRI-HR00254

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Estimated Ship Date: Dec 31, 2025 if ordered today

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HD OVERHAUL KIT

Part Number: CLE-4861004STD

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Estimated Ship Date: Jan 29, 2026 if ordered today

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Garage Buddy Engine Rebuild, Bashee

Part Number: WIS-PWR100-655

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Garage Buddy Engine Rebuild, Banshee

Part Number: WIS-PWR100-660

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Estimated Ship Date: Jan 12, 2026 if ordered today

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BOTTOM END KIT

Part Number: HRI-HR00202

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Estimated Ship Date: Jan 5, 2026 if ordered today

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BOTTOM END KIT

Part Number: HRI-HR00187

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Estimated Ship Date: Jan 5, 2026 if ordered today

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BOTTOM END KIT

Part Number: HRI-HR00188

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Estimated Ship Date: Jan 5, 2026 if ordered today

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BOTTOM END KIT

Part Number: HRI-HR00189

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Estimated Ship Date: Jan 5, 2026 if ordered today

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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

Part Number: HRI-HR00193

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Estimated Ship Date: Jan 5, 2026 if ordered today

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BOTTOM END KIT

Part Number: HRI-HR00210

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Estimated Ship Date: Jan 5, 2026 if ordered today

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BOTTOM END KIT

Part Number: HRI-HR00211

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Estimated Ship Date: Jan 5, 2026 if ordered today

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BOTTOM END KIT

Part Number: HRI-HR00214

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Estimated Ship Date: Jan 5, 2026 if ordered today

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BOTTOM END KIT

Part Number: HRI-HR00226

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Estimated Ship Date: Jan 5, 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 9, 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 9, 2026 if ordered today

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