Engine Kits & Rotating Assemblies

Pro LS 4340 Rotating Assembly, 371 Cid., 4.040 bore, 3.622 stroke, 58x, 6.098 rod, 12cc dish, 9.8:1 @ 65cc, 9.3:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R583604012

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Pro LS Rotating Assembly, 371 Cid., 4.040 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-R58360402

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Pro LS Rotating Assembly, 330 Cid., 3.810 bore, Standard 3.622 stroke, 58x, 6.098 rod, 2cc dome, 11:1 @ 61cc, 10.4:1 @ 65cc, File-Fit Rings, H Bearing

Part Number: SUM-R58368102

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ROTATING ASSEMBLY KIT-SBC 434 4.000/4.155

Part Number: MAN-290330RH

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Estimated Ship Date: Feb 5, 2026 if ordered today

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KIT-BBC 516 4.000/4.530 2cc DO

Part Number: MAN-29516

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ROTATING ASSEMBLY KIT-BBC 516 4.000/4.530 2cc DO

Part Number: MAN-29516H

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Estimated Ship Date: Feb 5, 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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ROTATING ASSEMBLY KIT-BBC 615 4.625/4.600 -3cc F

Part Number: MAN-38615HX

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ROTATING ASSEMBLY KIT-BBC 516 4.000/4.530 2cc DO

Part Number: MAN-29516HX

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KIT-BBC 615 4.625/4.600 -3cc F

Part Number: MAN-38615

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KIT-BBC 615 4.625/4.600 43cc DOME

Part Number: MAN-39615

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

Part Number: MAN-39615HX

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

Part Number: MAN-39615RH

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

Part Number: MAN-38615R

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

Part Number: MAN-38615RH

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

Part Number: MAN-38615RHX

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

Part Number: MAN-39615H

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

Part Number: MAN-39615R

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

Part Number: MAN-39615RHX

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ROTATING ASSEMBLY KIT-SBC 434 4.000/4.125

Part Number: MAN-290300H

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ROTATING ASSEMBLY KIT-SBC 434 4.000/4.125

Part Number: MAN-290300RH

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ROTATING ASSEMBLY KIT-SBC 434 4.000/4.155

Part Number: MAN-290330H

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HD IN-FRAME KIT

Part Number: CLE-4685100STD

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Estimated Ship Date: Jan 19, 2026 if ordered today

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S&S Cycle 2017 M8 Models 128in Oil Cooled Power Pack w/ Chrome Pushrod Tubes w/o Highlight

Part Number: SSY-310-1105B

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Estimated Ship Date: Jan 14, 2026 if ordered today

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S&S Cycle 2017 M8 Models 128in CI Oil Cooled w/ Chrome Pushrod Tubes & Highlighted Fins

Part Number: SSY-310-1106A

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Estimated Ship Date: Jan 14, 2026 if ordered today

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