Engine Kits & Rotating Assemblies

Pro LS 4340 Rotating Assembly, 410 Cid., 4.040 bore, 4.000 stroke, 24X, 6.125 rod, 20cc dish, 9.8:1 @ 65cc, 9.4:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R244004020

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Estimated Ship Date: Tomorrow if ordered today

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Pro LS 4340 Rotating Assembly, 417 Cid., 4.080 bore, 4.000 stroke, 24X, 6.125 rod, 21cc dish, 9.9:1 @ 65cc, 9.5:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R244008021

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Estimated Ship Date: Tomorrow if ordered today

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Pro LS 4340 Rotating Assembly, 359 Cid., 3.780 bore, 4.000 stroke, 24X, 6.125 rod, 12cc dish, 10:1 @ 61cc, 9.6:1 @ 65cc, File-Fit Rings, H Bearings

Part Number: SUM-R244078012

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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, 24X, 6.125 rod, 12cc dish, 10:1 @ 61cc, 9.6:1 @ 65cc, File-Fit Rings, H Bearings

Part Number: SUM-R244078512

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Estimated Ship Date: Tomorrow if ordered today

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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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Pro LS 4340 Rotating Assembly, 370 Cid., 4.040 bore, 3.622 stroke, 24X, 6.125 rod, 12cc Dish, 9.8:1 @ 65cc, 9.3:1 @ 70cc, File-Fit rings, H Bearings

Part Number: SUM-R2436L04012

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Estimated Ship Date: Dec 10, 2025 if ordered today

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Pro LS 4340 Rotating Assembly, 376 Cid., 4.065 bore, 3.622 stroke, 24X, 6.125 rod, 2cc dome, 11.6:1 @ 65cc, 10.9:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R2436L0652

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Estimated Ship Date: Mar 9, 2026 if ordered today

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Pro LS 4340 Rotating Assembly, 377 Cid., 4.075 bore, 3.622 stroke, 24X, 6.125 rod, 12cc dish, 9.9:1 @ 65cc, 9.4:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R2436L07512

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Estimated Ship Date: Nov 6, 2025 if ordered today

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Pro LS 4340 Rotating Assembly, 403 Cid., 4.005 bore, 4.000 stroke, 24X, 6.125 rod, 20cc dish, 9.7:1 @ 65cc, 9.3:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R244000520

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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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Estimated Ship Date: Tomorrow if ordered today

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ROTATING ASSEMBLY

Part Number: ESP-232503947

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Estimated Ship Date: Nov 24, 2025 if ordered today

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PRO STREET ASSEMBLY CHEV LS3

Part Number: ESP-637304030

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Engine Rotating Assembly, Competition, Forged Crank, Forged Pistons, H-Beam Rods, Chevy, Small Block, Kit

Part Number: ESP-B12501030

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PRO STREET ASSEMBLY FORD 460

Part Number: ESP-65012080

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Estimated Ship Date: Nov 24, 2025 if ordered today

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BALANCED COMPETITION ASSY CHRY LM HEMI

Part Number: ESP-B233044070

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Engine Rotating Assembly, Competition, Forged Piston, Cast Steel Crank, I-Beam Rods, Pontiac, Kit

Part Number: ESP-B52410455

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Engine Rotating Assembly, Pro Street, Forged 4340 Crank, Forged Pistons, I-Beam Rods, Pontiac, Big Block, 400, Kit

Part Number: ESP-615014155

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Engine Rotating Assembly, Competition, Forged Crank, Forged Pistons, H-Beam Rods, Ford, Small Block, Kit

Part Number: ESP-14006030

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Estimated Ship Date: Nov 24, 2025 if ordered today

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COMPETITION ASSEMBLY FORD 351W

Part Number: ESP-14143040

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Engine Rotating Assembly, Competition, Forged Crank, Forged Pistons, H-Beam Rods, Ford, Modular V8, Kit

Part Number: ESP-14404000

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Estimated Ship Date: Nov 24, 2025 if ordered today

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COMPETITION ASSY FORD 351W SVO

Part Number: ESP-14643125

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Estimated Ship Date: Nov 24, 2025 if ordered today

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ROTATING ASSEMBLY

Part Number: ESP-14800030

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Estimated Ship Date: Nov 24, 2025 if ordered today

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ROTATING ASSEMBLY

Part Number: ESP-15012030

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ROTATING ASSEMBLY

Part Number: ESP-15120030

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STREET & STRIP ASSEMBLY FORD FE

Part Number: ESP-158014080

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Estimated Ship Date: Nov 24, 2025 if ordered today

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