Engine Kits & Rotating Assemblies

Pro LS Rotating Assembly, 370 Cid., 4.030 bore, 3.622 stroke, 58x, 6.098 rod, 2cc Flat Top, 10.9:1 @ 65cc, 10.3:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R58360302

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Pro LS 4340 Rotating Assembly, 346 Cid., 3.898 bore, 3.622 stroke, 24X, 6.098 rod, 3cc dome, 11:1 @ 65cc, 10.6:1 @ 68cc, File-Fit ring, H Bearings

Part Number: SUM-R24368983

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Heavy Duty In-Frame Kit

Part Number: CLE-4595543STD

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Estimated Ship Date: Dec 23, 2026 if ordered today

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HD IN-FRAME KIT

Part Number: CLE-4895030STD

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Estimated Ship Date: Dec 23, 2026 if ordered today

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HD IN-FRAME KITS

Part Number: CLE-45955231STD

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Estimated Ship Date: Dec 23, 2026 if ordered today

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HD IN-FRAME KITS

Part Number: CLE-45955261STD

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HD IN-FRAME KIT

Part Number: CLE-4865046STD

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Estimated Ship Date: Dec 23, 2026 if ordered today

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HD IN-FRAME KIT

Part Number: CLE-4595525STD

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KIT-SBC 383 3.750/4.035

Part Number: MAN-290135

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ROTATING ASSEMBLY KIT-BBC 615 4.625/4.600 43cc D

Part Number: MAN-39615R

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Estimated Ship Date: Dec 29, 2026 if ordered today

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HD IN-FRAME KIT

Part Number: CLE-4595513STD

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Estimated Ship Date: Dec 22, 2026 if ordered today

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HD IN-FRAME KIT

Part Number: CLE-4595524STD

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Estimated Ship Date: Dec 22, 2026 if ordered today

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HD IN-FRAME KIT

Part Number: CLE-4595521STD

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Estimated Ship Date: Dec 22, 2026 if ordered today

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BBC 632 4.750 STROKE/4.600/+43cc

Part Number: MAN-29632RH

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Estimated Ship Date: Dec 29, 2026 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: Jan 4, 2027 if ordered today

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HD IN-FRAME KIT

Part Number: CLE-4865048STD

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Estimated Ship Date: Dec 22, 2026 if ordered today

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HD IN-FRAME KIT

Part Number: CLE-4595514STD

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Estimated Ship Date: Dec 23, 2026 if ordered today

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Heavy Duty In-Frame Kit

Part Number: CLE-4595542STD

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Estimated Ship Date: Dec 23, 2026 if ordered today

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HD IN-FRAME KIT

Part Number: CLE-4895016STD

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Estimated Ship Date: Dec 23, 2026 if ordered today

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HD IN-FRAME KIT

Part Number: CLE-4565046STD

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Estimated Ship Date: Dec 23, 2026 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 29, 2026 if ordered today

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HD IN-FRAME KIT

Part Number: CLE-4595516STD

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HD IN-FRAME KIT

Part Number: CLE-4565049STD

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Estimated Ship Date: Dec 23, 2026 if ordered today

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Heavy Duty In-Frame Kit

Part Number: CLE-4595547STD

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HD IN-FRAME KIT

Part Number: CLE-4685150STD

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Estimated Ship Date: Dec 23, 2026 if ordered today

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