Engine Kits & Rotating Assemblies

Pro LS Rotating Assembly, 371 Cid., 4.040 bore, 3.622 stroke, 58x, 6.125 rod, 2cc Flat Top, 10.9:1 @ 65cc, 10.3:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R5836L0402

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Pro LS 4340 Rotating Assembly, 378 Cid., 4.080 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-R5836L0802

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Pro LS Rotating Assembly, 325 Cid., 3.780 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-R5836L7807

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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, 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, 410 Cid., 4.040 bore, 4.000 stroke, 58x, 6.125 rod, 8cc dish, 11.2:1 @ 65cc, 10.6:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R58400408

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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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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-4685133STD

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Estimated Ship Date: Nov 28, 2025 if ordered today

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HD IN-FRAME KIT

Part Number: CLE-4805032STD

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Estimated Ship Date: Dec 9, 2025 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: Nov 18, 2025 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: Nov 18, 2025 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: Nov 18, 2025 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: Dec 1, 2025 if ordered today

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3.622" stroke, internal balance, billet 4340 steel, center-counterweighted Chevrolet Gen III "LS", 58 tooth reluctor

Part Number: ESP-334736236100

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Estimated Ship Date: Dec 1, 2025 if ordered today

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HD IN-FRAME KIT

Part Number: CLE-4565007STD

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Estimated Ship Date: Dec 10, 2025 if ordered today

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HD IN-FRAME KIT

Part Number: CLE-4565036STD

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Estimated Ship Date: Dec 10, 2025 if ordered today

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HD IN-FRAME KIT

Part Number: CLE-4565040STD

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Estimated Ship Date: Dec 10, 2025 if ordered today

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HD IN-FRAME KIT

Part Number: CLE-4565046STD

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Estimated Ship Date: Dec 10, 2025 if ordered today

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HD IN-FRAME KIT

Part Number: CLE-4595519STD

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Estimated Ship Date: Dec 10, 2025 if ordered today

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HD IN-FRAME KIT

Part Number: CLE-4895016STD

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Estimated Ship Date: Dec 10, 2025 if ordered today

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HD IN-FRAME KIT

Part Number: CLE-4805027STD

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Estimated Ship Date: Dec 10, 2025 if ordered today

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HD IN-FRAME KIT, STD

Part Number: CLE-4865056STD

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Estimated Ship Date: Dec 10, 2025 if ordered today

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