Engine Kits & Rotating Assemblies

Pro LS Rotating Assembly, 371 Cid., 4.040 bore, 3.622 stroke, 24X, 6.125 rod, 2cc Flat Top, 10.9:1 @ 65cc, 10.3:1 @ 70cc, File-Fit rings, H Bearings

Part Number: SUM-R2436L0402

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Pro LS 4340 Rotating Assembly, 376 Cid., 4.065 bore, 3.622 stroke, 24X, 6.125 rod, 12cc dish, 9.9:1 @ 65cc, 9.4:1 @ 70cc, File-Fit rings, H Bearings

Part Number: SUM-R2436L06512

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Pro LS 4340 Rotating Assembly, 376 Cid., 4.065 bore, 3.622 stroke, 24X, 6.125 rod, 2cc dome, 11.6:1 @ 65cc, 10.9:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R2436L0652

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Pro LS 4340 Rotating Assembly, 377 Cid., 4.070 bore, 3.622 stroke, 24X, 6.125 rod, 2cc dome, 11.6:1 @ 65cc, 10.9:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R2436L0702

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Pro LS 4340 Rotating Assembly, 377 Cid., 4.075 bore, 3.622 stroke, 24X, 6.125 rod, 2cc dome, 11.6:1 @ 65cc, 10.9:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R2436L0752

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Pro LS 4340 Rotating Assembly, 378 Cid., 4.080 bore, 3.622 stroke, 24X, 6.125 rod, 12cc dish, 9.9:1 @ 65cc, 9.4:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R2436L08012

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Pro LS 4340 Rotating Assembly, 378 Cid., 4.080 bore, 3.622 stroke, 24X, 6.125 rod, 2cc dome, 11.6:1 @ 65cc, 11:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R2436L0802

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HD IN-FRAME KIT

Part Number: CLE-4595521STD

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Estimated Ship Date: Nov 17, 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-4895030STD

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Estimated Ship Date: Dec 5, 2025 if ordered today

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HD IN-FRAME KIT

Part Number: CLE-4565040STD

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Estimated Ship Date: Dec 8, 2025 if ordered today

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HD IN-FRAME KIT

Part Number: CLE-4595519STD

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Estimated Ship Date: Dec 8, 2025 if ordered today

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ROTATING ASSEMBLY

Part Number: MAN-38555RHX

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Estimated Ship Date: Dec 8, 2025 if ordered today

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ROTATING ASSEMBLY KIT-BBC 565 4.250/4.600 DOME

Part Number: MAN-39565R

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Estimated Ship Date: Dec 8, 2025 if ordered today

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ROTATING ASSEMBLY

Part Number: MAN-39565RH

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Estimated Ship Date: Dec 8, 2025 if ordered today

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ROTATING ASSEMBLY KIT-BBC 565 4.250/4.600 DOME

Part Number: MAN-39565RHX

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Estimated Ship Date: Dec 8, 2025 if ordered today

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ROTATING ASSEMBLY KIT-BBC 548 4.250/4.530 20cc D

Part Number: MAN-38548R

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Estimated Ship Date: Dec 8, 2025 if ordered today

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ROTATING ASSEMBLY KIT-BBC 548 4.250/4.530 20cc D

Part Number: MAN-38548RH

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Estimated Ship Date: Dec 8, 2025 if ordered today

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ROTATING ASSEMBLY KIT-BBC 548 4.250/4.530 20cc D

Part Number: MAN-38548RHX

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Estimated Ship Date: Dec 8, 2025 if ordered today

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ROTATING ASSEMBLY KIT-BBC 555 4.250/4.560 F/T

Part Number: MAN-38555R

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Estimated Ship Date: Dec 8, 2025 if ordered today

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ROTATING ASSEMBLY KIT-BBC 555 4.250/4.560 F/T

Part Number: MAN-38555RH

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Estimated Ship Date: Dec 8, 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: Dec 1, 2025 if ordered today

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HD IN-FRAME KIT

Part Number: CLE-4595525STD

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Estimated Ship Date: Dec 1, 2025 if ordered today

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HD IN-FRAME KIT

Part Number: CLE-4805032STD

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Estimated Ship Date: Dec 8, 2025 if ordered today

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HD IN-FRAME KIT

Part Number: CLE-4595526STD

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Estimated Ship Date: Dec 8, 2025 if ordered today

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