Engine Kits & Rotating Assemblies

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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Pro LS Rotating Assembly, 332 Cid., 3.820 bore, Standard 3.622 stroke, 24X, 6.125 rod, 2cc dome, 11:1 @ 61cc, 10.5:1 @ 65cc, File-Fit Rings, H Bearing

Part Number: SUM-R2436L8202

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Pro LS Rotating Assembly, 332 Cid., 3.820 bore, Standard 3.622 stroke, 24X, 6.125 rod, 7cc dish, 9.9:1 @ 61cc, 9.4:1 @ 65cc, File-Fit Rings, H Bearing

Part Number: SUM-R2436L8207

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Pro LS 4340 Rotating Assembly, 346 Cid., 3.898 bore, 3.622 stroke, 24X, 6.125 rod, 7cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings, H Bearings

Part Number: SUM-R2436L8987

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Pro LS 4340 Rotating Assembly, 347 Cid., 3.903 bore, 3.622 stroke, 24X, 6.125 rod, 3cc dome, 11:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings, H Bearings

Part Number: SUM-R2436L9033

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Pro LS 4340 Rotating Assembly, 365 Cid., 4.005 bore, 3.622 stroke, 24X, 6.125 rod, 12cc Dish, 9.6:1 @ 65cc, 9.2:1 @ 70cc, File-Fit rings, H Bearings

Part Number: SUM-R2436L00512

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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 10, 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 10, 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 10, 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 10, 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 10, 2025 if ordered today

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ROTATING ASSEMBLY

Part Number: MAN-38555RHX

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Estimated Ship Date: Dec 10, 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 10, 2025 if ordered today

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ROTATING ASSEMBLY

Part Number: MAN-39565RH

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Estimated Ship Date: Dec 10, 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 10, 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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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-4595526STD

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Estimated Ship Date: Dec 8, 2025 if ordered today

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HD IN-FRAME KIT

Part Number: CLE-4565007STD

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Estimated Ship Date: Dec 8, 2025 if ordered today

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HD IN-FRAME KIT

Part Number: CLE-4565036STD

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Estimated Ship Date: Dec 8, 2025 if ordered today

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HD IN-FRAME KIT

Part Number: CLE-4565046STD

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Estimated Ship Date: Dec 8, 2025 if ordered today

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HD IN-FRAME KIT

Part Number: CLE-4895016STD

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Estimated Ship Date: Dec 8, 2025 if ordered today

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

Part Number: MAN-39615R

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Estimated Ship Date: Dec 9, 2025 if ordered today

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