Engine Kits & Rotating Assemblies

Pro LS 4340 Rotating Assembly, 347 Cid., 3.903 bore, 3.622 stroke, 58x, 6.125 rod, 7cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings, H Bearings

Part Number: SUM-R5836L9037

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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 Rotating Assembly, 382 Cid., 3.898 bore, 4.000 stroke, 58x, 6.125 rod, 16cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings, H Bearings

Part Number: SUM-R584089816

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Pro LS 4340 Rotating Assembly, 383 Cid., 3.903 bore, 4.000 stroke, 58x, 6.125 rod, 16cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings, H Bearings

Part Number: SUM-R584090316

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Pro LS 4340 Rotating Assembly, 383 Cid., 3.903 bore, 4.000 stroke, 58x, 6.125 rod, 5cc dish, 10.9:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings, H Bearings

Part Number: SUM-R58409035

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Pro LS 4340 Rotating Assembly, 359 Cid., 3.780 bore, 4.000 stroke, 58x, 6.125 rod, 5cc dish, 10.9:1 @ 61cc, 10.4:1 @ 65cc, File-Fit Rings, H Bearings

Part Number: SUM-R58407805

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3.622" stroke, internal balance, billet 4340 steel, center-counterweighted Chevrolet Gen III "LS", no reluctor

Part Number: ESP-334536236100

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Estimated Ship Date: Nov 24, 2025 if ordered today

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3.622" stroke, internal balance, billet 4340 steel, center-counterweighted Chevrolet Gen III "LS", 58 tooth reluctor

Part Number: ESP-334736236100

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Estimated Ship Date: Nov 24, 2025 if ordered today

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HD IN-FRAME KIT

Part Number: CLE-4595518STD

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Estimated Ship Date: Dec 5, 2025 if ordered today

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HD IN-FRAME KIT

Part Number: CLE-4805032STD

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Estimated Ship Date: Dec 5, 2025 if ordered today

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4.000" stroke, internal balance, billet 4340 steel, center-counterweighted Chevrolet Gen III "LS", no reluctor

Part Number: ESP-334540016100

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Estimated Ship Date: Nov 25, 2025 if ordered today

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KIT-SBC 383 3.750/4.030

Part Number: MAN-290030

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Engine Rotating Kits, KIT-SBC 383 3.750/4.030

Part Number: MAN-290030HX

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Estimated Ship Date: Dec 8, 2025 if ordered today

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KIT-SBC 383 3.750/4.030

Part Number: MAN-290030RH

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Engine Rotating Kits, KIT-SBC 383 3.750/4.030

Part Number: MAN-290030RHX

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Engine Rotating Kits, KIT-SBC 383 3.750/4.030

Part Number: MAN-290030RX

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Engine Rotating Kits, KIT-SBC 383 3.750/4.030

Part Number: MAN-290130RHX

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Estimated Ship Date: Dec 8, 2025 if ordered today

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KIT-SBC 383 3.750/4.030

Part Number: MAN-290030H

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Estimated Ship Date: Dec 8, 2025 if ordered today

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KIT-SBC 383 3.750/4.030

Part Number: MAN-290030R

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Engine Rotating Kits, KIT-SBC 383 3.750/4.030

Part Number: MAN-290030X

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Estimated Ship Date: Dec 8, 2025 if ordered today

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KIT-SBC 383 3.750/4.030

Part Number: MAN-290130

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Estimated Ship Date: Dec 8, 2025 if ordered today

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ROTATING ASSEMBLY KIT-SBC 383 3.750/4.030

Part Number: MAN-290130H

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Engine Rotating Kits, KIT-SBC 383 3.750/4.030

Part Number: MAN-290130HX

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Estimated Ship Date: Dec 8, 2025 if ordered today

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ROTATING ASSEMBLY KIT-SBC 383 3.750/4.030

Part Number: MAN-290130R

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Estimated Ship Date: Dec 8, 2025 if ordered today

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ROTATING ASSEMBLY KIT-SBC 383 3.750/4.030

Part Number: MAN-290130RH

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Estimated Ship Date: Dec 8, 2025 if ordered today

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