Engine Kits & Rotating Assemblies

Pro LS 4340 Rotating Assembly, 417 Cid., 4.075 bore, 4.000 stroke, 58x, 6.125 rod, 21cc dish, 9.9:1 @ 65cc, 9.5:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R584007521

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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 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 4340 Rotating Assembly, 359 Cid., 3.780 bore, 4.000 stroke, 58x, 6.125 rod, 5cc dish, 10.9:1 @ 61cc, 10.4:1 @ 65cc, File-Fit Rings, H Bearings

Part Number: SUM-R58407805

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Pro LS 4340 Rotating Assembly, 383 Cid., 3.903 bore, 4.000 stroke, 58x, 6.125 rod, 16cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings, H Bearings

Part Number: SUM-R584090316

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Pro LS 4340 Rotating Assembly, 383 Cid., 3.903 bore, 4.000 stroke, 58x, 6.125 rod, 5cc dish, 10.9:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings, H Bearings

Part Number: SUM-R58409035

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HD IN-FRAME KIT

Part Number: CLE-45955251STD

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Estimated Ship Date: Feb 23, 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: Feb 18, 2026 if ordered today

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HD IN-FRAME KIT

Part Number: CLE-4565007STD

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Estimated Ship Date: Mar 11, 2026 if ordered today

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HD IN-FRAME KIT

Part Number: CLE-4565036STD

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Estimated Ship Date: Mar 11, 2026 if ordered today

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HD IN-FRAME KIT

Part Number: CLE-4565040STD

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Estimated Ship Date: Mar 11, 2026 if ordered today

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HD IN-FRAME KIT

Part Number: CLE-4565046STD

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Estimated Ship Date: Mar 11, 2026 if ordered today

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HD IN-FRAME KIT

Part Number: CLE-4595443STD

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Estimated Ship Date: Mar 11, 2026 if ordered today

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HD IN-FRAME KIT

Part Number: CLE-4595512STD

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Estimated Ship Date: Mar 11, 2026 if ordered today

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HD IN-FRAME KIT

Part Number: CLE-4595515STD

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Estimated Ship Date: Mar 11, 2026 if ordered today

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HD IN-FRAME KIT

Part Number: CLE-4595519STD

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Estimated Ship Date: Mar 11, 2026 if ordered today

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HD IN-FRAME KIT

Part Number: CLE-4595528STD

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Estimated Ship Date: Mar 11, 2026 if ordered today

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HD IN-FRAME KIT

Part Number: CLE-4595529STD

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Estimated Ship Date: Mar 11, 2026 if ordered today

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HD IN-FRAME KIT

Part Number: CLE-4595532STD

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Estimated Ship Date: Mar 11, 2026 if ordered today

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HD IN-FRAME KIT

Part Number: CLE-4595539STD

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Estimated Ship Date: Mar 11, 2026 if ordered today

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HD OVERHAUL KIT

Part Number: CLE-4681094STD

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Estimated Ship Date: Mar 11, 2026 if ordered today

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HD OVERHAUL KIT

Part Number: CLE-4681100STD

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Estimated Ship Date: Mar 11, 2026 if ordered today

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HD OVERHAUL KIT

Part Number: CLE-4681128STD

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Estimated Ship Date: Mar 11, 2026 if ordered today

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HD IN-FRAME KIT

Part Number: CLE-4685128STD

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Estimated Ship Date: Mar 11, 2026 if ordered today

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