2012 Engine Kits & Rotating Assemblies

Pro LS 4340 Rotating Assembly, 359 Cid., 3.780 bore, 4.000 stroke, 58x, 6.125 rod, 12cc dish, 10:1 @ 61cc, 9.6:1 @ 65cc, File-Fit Rings, H Bearings

Part Number: SUM-R584078012

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Estimated Ship Date: Tomorrow if ordered today

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Pro LS 4340 Rotating Assembly, 360 Cid., 3.785 bore, 4.000 stroke, 58x, 6.125 rod, 12cc dish, 10:1 @ 61cc, 9.6:1 @ 65cc, File-Fit Rings, H Bearings

Part Number: SUM-R584078512

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Estimated Ship Date: Tomorrow if ordered today

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Pro LS 4340 Rotating Assembly, 382 Cid., 3.898 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-R584089816

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Estimated Ship Date: Mar 4, 2026 if ordered today

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PISTONS, S&S 106" BIG BORE HOT SETUP KT

Part Number: SSY-900-0354

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Estimated Ship Date: Feb 27, 2026 if ordered today

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KIT-LS 415 4.000/4.070 18cc DI

Part Number: MAN-28415R

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Estimated Ship Date: Mar 20, 2026 if ordered today

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ROTATING ASSEMBLY LS 402 FLAT

Part Number: MAN-29402

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Estimated Ship Date: Mar 20, 2026 if ordered today

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ROTATING ASSEMBLY LS 402 DISH

Part Number: MAN-28402

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Estimated Ship Date: Mar 20, 2026 if ordered today

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KIT-LS 402 4.000/4.005 18cc DI

Part Number: MAN-28402R

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Estimated Ship Date: Mar 20, 2026 if ordered today

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ROTATING ASSEMBLY LS 415 DISH

Part Number: MAN-28415

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Estimated Ship Date: Mar 20, 2026 if ordered today

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ROTATING ASSEMBLY KIT-LS 402 4.000/4.005 -4cc F/

Part Number: MAN-29402R

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Estimated Ship Date: Mar 20, 2026 if ordered today

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ROTATING ASSEMBLY LS 415 FLAT

Part Number: MAN-29415

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Estimated Ship Date: Mar 20, 2026 if ordered today

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Rotating Assembly, Competition, Forged 4340 Crankshaft, Forged Flat Pistons, 1-Piece Seal, Chevy, 408, Kit

Part Number: ESP-129384030

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Estimated Ship Date: Mar 30, 2026 if ordered today

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ROTATING ASSEMBLY

Part Number: ESP-129524125

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Estimated Ship Date: Mar 30, 2026 if ordered today

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PRO STREET ASSEMBLY CHEV LS7

Part Number: ESP-629524125

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Estimated Ship Date: Mar 30, 2026 if ordered today

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Pro LS 4340 Rotating Assembly, 403 Cid., 4.005 bore, 4.000 stroke, 58x, 6.125 rod, 20cc dish, 9.7:1 @ 65cc, 9.3:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R584000520

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Estimated Ship Date: Tomorrow if ordered today

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Pro LS Rotating Assembly, 326 Cid, 3.785 bore, Standard 3.622 stroke, 24X, 6.098 rod, 2cc dome, 10.9:1 @ 61cc, 10.4:1 @ 65cc, File-Fit ring, H Bearing

Part Number: SUM-R24367852

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Pro LS Rotating Assembly, 332 Cid., 3.820 bore, Standard 3.622 stroke, 24X, 6.098 rod, 7cc dish, 9.9:1 @ 61cc, 9.4:1 @ 65cc, File-Fit ring, H Bearing

Part Number: SUM-R24368207

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Estimated Ship Date: Tomorrow if ordered today

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