Engine Kits & Rotating Assemblies

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 Piston and Rod Kit, 371 Cid., 4.040 bore, 3.622 stroke, 6.098 rod, 2cc Flat Top, 10.9:1 @ 65cc, 10.3:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR360402

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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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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 POL

Part Number: HRI-HR00258

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BOTTOM END KIT Polaris

Part Number: HRI-HR00116

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BOTTOM END KIT Polaris

Part Number: HRI-HR00117

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BOTTOM END KIT Polaris

Part Number: HRI-HR00118

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BOTTOM END KIT Polaris

Part Number: HRI-HR00119

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BOTTOM END KIT Polaris

Part Number: HRI-HR00120

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BOTTOM END KIT Polaris

Part Number: HRI-HR00121

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BOTTOM END KIT Polaris

Part Number: HRI-HR00122

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BOTTOM END KIT Polaris

Part Number: HRI-HR00123

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Gasket Kit BOTTOM END KIT BOTTOM END KIT

Part Number: HRI-CBK0178

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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-HR00189

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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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