Engine Rotating Kits

Pro LS 4340 Rotating Assembly, 417 Cid., 4.075 bore, 4.000 stroke, 58x, 6.125 rod, 21cc dish, 9.9:1 @ 65cc, 9.5:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R584007521

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Pro LS 4340 Piston and Rod Kit, 417 Cid., 4.075 bore, 4.000 stroke, 6.125 rod, 6cc dish, 11.5:1 @ 65cc, 11:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR400756

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Pro LS 4340 Rotating Assembly, 417 Cid., 4.075 bore, 4.000 stroke, 58x, 6.125 rod, 6cc dish, 11.5:1 @ 65cc, 11:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R58400756

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Pro LS 4340 Rotating Assembly, 417 Cid., 4.075 bore, 4.000 stroke, 24X, 6.125 rod, 6cc dish, 11.5:1 @ 65cc, 11:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R24400756

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PRO STREET ASSEMBLY CHEV LS3

Part Number: ESP-637904075

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Estimated Ship Date: Apr 14, 2026 if ordered today

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Pro LS 4340 Rotating Assembly, 417 Cid., 4.075 bore, 4.000 stroke, 24X, 6.125 rod, 21cc dish, 9.9:1 @ 65cc, 9.5:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R244007521

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COMPETITION ASSEMBLY CHEV LS3

Part Number: ESP-129364075

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Estimated Ship Date: Apr 13, 2026 if ordered today

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PRO STREET ASSEMBLY CHEV LS3

Part Number: ESP-637324075

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Estimated Ship Date: Apr 13, 2026 if ordered today

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COMPETITION ASSEMBLY CHEV LS3

Part Number: ESP-129084075

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Estimated Ship Date: Apr 13, 2026 if ordered today

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COMPETITION ASSEMBLY CHEV LS3

Part Number: ESP-137914075

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Engine Rotating Kit, Competition, Requires Balance, 4.075 in. Bore, 4.000 in. Stroke, 6.125 in. Rod, 2618 Alloy Pistons, Forged 4340 Crank, LS, Kit

Part Number: ESP-137924075

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Estimated Ship Date: Apr 13, 2026 if ordered today

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PRO STREET ASSEMBLY CHEV LS3

Part Number: ESP-629444075

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Estimated Ship Date: Apr 10, 2026 if ordered today

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PRO STREET ASSEMBLY CHEV LS3

Part Number: ESP-637924075

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Estimated Ship Date: Apr 13, 2026 if ordered today

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COMPETITION ASSEMBLY CHEV LS3

Part Number: ESP-137314075

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Estimated Ship Date: Apr 13, 2026 if ordered today

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PRO STREET ASSEMBLY CHEV LS3

Part Number: ESP-637304075

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Estimated Ship Date: Apr 13, 2026 if ordered today

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PRO STREET ASSEMBLY CHEV LS3

Part Number: ESP-637314075

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Estimated Ship Date: Apr 13, 2026 if ordered today

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COMPETITION ASSEMBLY CHEV LS3

Part Number: ESP-129244075

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Estimated Ship Date: Apr 14, 2026 if ordered today

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COMPETITION ASSEMBLY CHEV LS3

Part Number: ESP-129444075

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Estimated Ship Date: Apr 14, 2026 if ordered today

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ROTATING ASSEMBLY

Part Number: ESP-637914075

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Estimated Ship Date: Apr 14, 2026 if ordered today

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COMPETITION ASSEMBLY CHEV LS3

Part Number: ESP-137304075

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Estimated Ship Date: Apr 14, 2026 if ordered today

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COMPETITION ASSEMBLY CHEV LS3

Part Number: ESP-137324075

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Estimated Ship Date: Apr 14, 2026 if ordered today

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COMPETITION ASSEMBLY CHEV LS3

Part Number: ESP-137904075

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Estimated Ship Date: Apr 14, 2026 if ordered today

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