Engine Kits & Rotating Assemblies

Pro LS Rotating Assembly, 326 Cid, 3.785 bore, Standard 3.622 stroke, 58x, 6.125 rod, 2cc dome, 10.9:1 @ 61cc, 10.4:1 @ 65cc, File-Fit Ring, H Bearing

Part Number: SUM-R5836L7852

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Pro LS Rotating Assembly, 326 Cid., 3.785 bore, Standard 3.622 stroke, 58x, 6.125 rod, 7cc dish, 9.7:1 @ 61cc, 9.3:1 @ 65cc, File-Fit Rings, H Bearing

Part Number: SUM-R5836L7857

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Pro LS 4340 Rotating Assembly, 376 Cid., 4.065 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-R5836L0652

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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 9, 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 9, 2026 if ordered today

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S&S Cycle 2017+ M8 129in Power Pack w/ Black Pushrod Tubes & Cam Chain Tensioners - Blk w/ Highlight

Part Number: SSY-310-1225

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Estimated Ship Date: Jan 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 2, 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 2, 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 2, 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 2, 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 2, 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 2, 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 2, 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 2, 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 2, 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 2, 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 2, 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 2, 2026 if ordered today

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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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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: Jan 26, 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 26, 2026 if ordered today

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HD IN-FRAME KIT

Part Number: CLE-4565049STD

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Estimated Ship Date: Jan 30, 2026 if ordered today

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HD IN-FRAME KIT

Part Number: CLE-4805027STD

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Estimated Ship Date: Jan 30, 2026 if ordered today

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HD IN-FRAME KIT

Part Number: CLE-4805032STD

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Estimated Ship Date: Jan 30, 2026 if ordered today

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HD IN-FRAME KIT

Part Number: CLE-4595518STD

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Estimated Ship Date: Jan 30, 2026 if ordered today

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