Engine Kits & Rotating Assemblies

Pro LS 4340 Rotating Assembly, 347 Cid., 3.903 bore, 3.622 stroke, 58x, 6.125 rod, 3cc dome, 11:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings, H Bearings

Part Number: SUM-R5836L9033

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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, 377 Cid., 4.070 bore, 3.622 stroke, 58x, 6.125 rod, 2cc dome, 11.6:1 @ 65cc, 11:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R5836L0702

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Pro LS 4340 Rotating Assembly, 365 Cid., 4.005 bore, 3.622 stroke, 24X, 6.098 rod,12cc dish, 9.6:1 @ 65cc, 9.2:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R243600512

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Pro LS Rotating Assembly, 365 Cid., 4.005 bore, 3.622 stroke, 24X, 6.098 rod, 2cc Flat Top, 10.8:1 @ 65cc, 10.2:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R24360052

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Pro LS Rotating Assembly, 370 Cid., 4.030 bore, 3.622 stroke, 24X, 6.098 rod, 2cc Flat Top, 10.9:1 @ 65cc, 10.3:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R24360302

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Pro LS 4340 Rotating Assembly, 371 Cid., 4.040 bore, 3.622 stroke, 24X, 6.098 rod, 12cc dish, 9.8:1 @ 65cc, 9.3:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R243604012

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Pro LS Rotating Assembly, 371 Cid., 4.040 bore, 3.622 stroke, 24X, 6.098 rod, 2cc Flat Top, 10.9:1 @ 65cc, 10.3:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R24360402

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HD IN-FRAME KIT

Part Number: CLE-4685133STD

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Estimated Ship Date: Nov 18, 2025 if ordered today

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Part Number: CLE-4595526STD

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Part Number: CLE-4895016STD

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Part Number: CLE-4565007STD

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Part Number: CLE-4565036STD

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Part Number: CLE-4565040STD

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Part Number: CLE-4565046STD

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Part Number: CLE-4565089STD

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Estimated Ship Date: Nov 17, 2025 if ordered today

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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 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 5, 2025 if ordered today

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HD IN-FRAME KIT

Part Number: CLE-4895030STD

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Estimated Ship Date: Nov 18, 2025 if ordered today

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Part Number: CLE-4595443STD

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Estimated Ship Date: Nov 18, 2025 if ordered today

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Part Number: CLE-4595512STD

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Estimated Ship Date: Nov 18, 2025 if ordered today

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Part Number: CLE-4595513STD

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Estimated Ship Date: Nov 18, 2025 if ordered today

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Part Number: CLE-4595514STD

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HD IN-FRAME KIT

Part Number: CLE-4595515STD

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HD IN-FRAME KIT

Part Number: CLE-4595518STD

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Estimated Ship Date: Nov 18, 2025 if ordered today

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