Engine Kits & Rotating Assemblies

Pro LS Rotating Assembly, 370 Cid., 4.030 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-R58360302

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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, 326 Cid., 3.785 bore, Standard 3.622 stroke, 58x, 6.098 rod, 7cc dish, 9.7:1 @ 61cc, 9.3:1 @ 65cc, File-Fit Rings, H Bearing

Part Number: SUM-R58367857

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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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Pro LS Rotating Assembly, 332 Cid., 3.820 bore, Standard 3.622 stroke, 58x, 6.098 rod, 2cc dome, 11:1 @ 61cc, 10.5:1 @ 65cc, File-Fit Rings, H Bearing

Part Number: SUM-R58368202

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Pro LS 4340 Rotating Assembly, 346 Cid., 3.898 bore, 3.622 stroke, 58x, 6.098 rod, 3cc dome, 11:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings, H Bearings

Part Number: SUM-R58368983

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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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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 2, 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 2, 2025 if ordered today

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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-4685133STD

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Estimated Ship Date: Nov 28, 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 21, 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 21, 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 21, 2025 if ordered today

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KIT-SBC 383 3.750/4.030

Part Number: MAN-290030

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Estimated Ship Date: Dec 15, 2025 if ordered today

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KIT-SBC 383 3.750/4.030

Part Number: MAN-290030H

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Engine Rotating Kits, KIT-SBC 383 3.750/4.030

Part Number: MAN-290030HX

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Engine Rotating Kits, KIT-SBC 383 3.750/4.030

Part Number: MAN-290030X

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Estimated Ship Date: Dec 15, 2025 if ordered today

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KIT-SBC 383 3.750/4.030

Part Number: MAN-290130

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Estimated Ship Date: Dec 15, 2025 if ordered today

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ROTATING ASSEMBLY KIT-SBC 383 3.750/4.030

Part Number: MAN-290130H

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Engine Rotating Kits, KIT-SBC 383 3.750/4.030

Part Number: MAN-290130HX

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Engine Rotating Kits, KIT-SBC 383 3.750/4.030

Part Number: MAN-290130X

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Estimated Ship Date: Dec 15, 2025 if ordered today

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ROTATING ASSEMBLY KIT-SBC 355 3.480/4.030

Part Number: MAN-290730H

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Engine Rotating Kits, KIT-SBC 355 3.480/4.030

Part Number: MAN-290730X

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Estimated Ship Date: Dec 15, 2025 if ordered today

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