Engine Kits & Rotating Assemblies

Pro LS 4340 Rotating Assembly, 346 Cid., 3.898 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-R5836L8987

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Estimated Ship Date: Friday 1/2/2026

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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Estimated Ship Date: Friday 1/2/2026

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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Estimated Ship Date: Friday 1/2/2026

Pro LS 4340 Rotating Assembly, 364 Cid., 4.000 bore, 3.622 stroke, 24X, 6.125 rod,12cc Dish, 9.6:1 @ 65cc, 9.2:1 @ 70cc, File-Fit ring, H Bearings

Part Number: SUM-R2436L00012

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Estimated Ship Date: Friday 1/2/2026

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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Estimated Ship Date: Friday 1/2/2026

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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Estimated Ship Date: Friday 1/2/2026

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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Estimated Ship Date: Friday 1/2/2026

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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Estimated Ship Date: Friday 1/2/2026

HD IN-FRAME KIT

Part Number: CLE-4565049STD

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Estimated Ship Date: Feb 9, 2026 if ordered today

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KIT-BBC 615 4.625/4.600 -3cc F

Part Number: MAN-38615

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Estimated Ship Date: Feb 16, 2026 if ordered today

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ROTATING ASSEMBLY KIT-BBC 615 4.625/4.600 -3cc F

Part Number: MAN-38615H

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Estimated Ship Date: Feb 16, 2026 if ordered today

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ROTATING ASSEMBLY KIT-BBC 615 4.625/4.600 -3cc F

Part Number: MAN-38615HX

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Estimated Ship Date: Feb 16, 2026 if ordered today

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ROTATING ASSEMBLY KIT-BBC 615 4.625/4.600 -3cc F

Part Number: MAN-38615R

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Estimated Ship Date: Feb 16, 2026 if ordered today

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ROTATING ASSEMBLY KIT-BBC 615 4.625/4.600 -3cc F

Part Number: MAN-38615RH

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Estimated Ship Date: Feb 16, 2026 if ordered today

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ROTATING ASSEMBLY KIT-BBC 615 4.625/4.600 -3cc F

Part Number: MAN-38615RHX

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Estimated Ship Date: Feb 16, 2026 if ordered today

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KIT-BBC 615 4.625/4.600 43cc DOME

Part Number: MAN-39615

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Estimated Ship Date: Feb 16, 2026 if ordered today

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

Part Number: MAN-39615H

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Estimated Ship Date: Feb 16, 2026 if ordered today

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

Part Number: MAN-39615HX

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Estimated Ship Date: Feb 16, 2026 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: Feb 16, 2026 if ordered today

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

Part Number: MAN-39615RH

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Estimated Ship Date: Feb 16, 2026 if ordered today

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

Part Number: MAN-39615RHX

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Estimated Ship Date: Feb 16, 2026 if ordered today

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HD IN-FRAME KIT

Part Number: CLE-4595526STD

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Estimated Ship Date: Feb 12, 2026 if ordered today

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HD IN-FRAME KIT

Part Number: CLE-4685133STD

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Estimated Ship Date: Feb 12, 2026 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: Feb 6, 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: Feb 6, 2026 if ordered today

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