Engine Kits & Rotating Assemblies

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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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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BOTTOM END KIT

Part Number: HRI-HR00226

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Estimated Ship Date: Jan 5, 2026 if ordered today

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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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BOTTOM END KIT CAN

Part Number: HRI-HR00191

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BOTTOM END KIT

Part Number: HRI-HR00193

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BOTTOM END KIT CAN

Part Number: HRI-HR00198

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BOTTOM END KIT

Part Number: HRI-HR00202

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BOTTOM END KIT CAN

Part Number: HRI-HR00203

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BOTTOM END KIT

Part Number: HRI-HR00210

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BOTTOM END KIT

Part Number: HRI-HR00211

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BOTTOM END KIT

Part Number: HRI-HR00214

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Top End Engine Kits STANDARD BORE KIT HI COMP STANDARD BORE KIT HI COMP

Part Number: CLW-60001-K01HC

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Estimated Ship Date: Jan 12, 2026 if ordered today

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BOTTOM END KIT Polaris

Part Number: HRI-HR00106

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Estimated Ship Date: Jan 5, 2026 if ordered today

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BOTTOM END KIT Polaris

Part Number: HRI-HR00109

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BOTTOM END KIT Polaris

Part Number: HRI-HR00111

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BOTTOM END KIT Polaris

Part Number: HRI-HR00114

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BOTTOM END KIT Polaris

Part Number: HRI-HR00116

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