CHEVROLET Engine Kits & Rotating Assemblies

Pro LS Rotating Assembly, 326 Cid., 3.785 bore, Standard 3.622 stroke, 24X, 6.125 rod, 7cc dish, 9.7:1 @ 61cc, 9.3:1 @ 65cc, File-Fit Rings, H Bearing

Part Number: SUM-R2436L7857

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Pro LS 4340 Rotating Assembly, 377 Cid., 4.070 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-R2436L07012

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Pro LS 4340 Rotating Assembly, 346 Cid., 3.898 bore, 3.622 stroke, 24X, 6.098 rod, 3cc dome, 11:1 @ 65cc, 10.6:1 @ 68cc, File-Fit ring, H Bearings

Part Number: SUM-R24368983

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Pro LS 4340 Rotating Assembly, 346 Cid., 3.898 bore, 3.622 stroke, 24X, 6.125 rod, 3cc dome, 11:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings, H Bearings

Part Number: SUM-R2436L8983

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Pro LS Rotating Assembly, 330 Cid., 3.810 bore, Standard 3.622 stroke, 24X, 6.125 rod, 2cc dome, 11:1 @ 61cc, 10.4:1 @ 65cc, File-Fit Rings, H Bearing

Part Number: SUM-R2436L8102

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Pro LS 4340 Rotating Assembly, 364 Cid., 3.810 bore, 4.000 stroke, 24X, 6.125 rod, 12cc dish, 10:2 @ 61cc, 9.7:1 @ 65cc, File-Fit Rings, H Bearings

Part Number: SUM-R244081012

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Pro LS 4340 Rotating Assembly, 367 Cid., 3.820 bore, 4.000 stroke, 24X, 6.125 rod, 5cc dish, 11:1 @ 61cc, 10.5:1 @ 65cc, File-Fit Rings, H Bearings

Part Number: SUM-R24408205

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Pro LS Rotating Assembly, 364 Cid., 4.000 bore, 3.622 stroke, 24X, 6.125 rod, 2cc Flat Top, 10.7:1 @ 65cc, 10.4:1 @ 70cc, File-Fit ring, H Bearings

Part Number: SUM-R2436L0002

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PRO STREET ASSEMBLY CHEV 400

Part Number: ESP-62161040

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Estimated Ship Date: Jan 16, 2026 if ordered today

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ROTATING ASSEMBLY

Part Number: ESP-12305L030

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Engine Rotating Assembly, 24-Tooth Reluctor Wheel, 4340 Forged Crank, Forged Pistons, I-Beam Rods, Chevrolet, LS Engine, Kit

Part Number: SCA-1-43802BI

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Estimated Ship Date: Jan 26, 2026 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-B12111060

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Estimated Ship Date: Jan 21, 2026 if ordered today

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ROTATING ASSEMBLY

Part Number: ESP-62010030

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Estimated Ship Date: Jan 5, 2026 if ordered today

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BALANCED PRO STREET ASSEMBLY CHEV 350

Part Number: ESP-B62303040

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Estimated Ship Date: Jan 23, 2026 if ordered today

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Engine Re-Ring, Moly, 3.905 in. Bore, .010 in. Rod, .010 in. Main. Chevy, 283, Kit

Part Number: FEM-205619M-311

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Engine Rotating Assembly, Street/Strip, Cast Crank, Forged Pistons, I-Beam Rods, Chevy, Big Block, Kit

Part Number: ESP-B18022L030

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Estimated Ship Date: Jan 27, 2026 if ordered today

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Engine Rotating Assembly, Street/Strip, Cast Crank, Forged Pistons, I-Beam Rods, Chevy, Big Block, Kit

Part Number: ESP-B18020L030

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Estimated Ship Date: Dec 26, 2025 if ordered today

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Engine Re-Ring, Moly, 4.030 in. Bore, Standard Rod, Standard Main, Chevy, 350, Kit

Part Number: FEM-2056038M-300

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Estimated Ship Date: Today

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

Part Number: SCA-1-41755

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Estimated Ship Date: Feb 12, 2026 if ordered today

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Engine Rotating Assembly, Series 9000, Cast Crank, Forged Pistons, I-Beam Rods, Chevy, Big Block, Kit

Part Number: SCA-1-91605BI

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Estimated Ship Date: Feb 16, 2026 if ordered today

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Engine Rotating Assembly, Series 9000, Cast Crank, Forged Pistons, I-Beam Rods, Chevy, Big Block, Kit

Part Number: SCA-1-91810BI

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Estimated Ship Date: Feb 12, 2026 if ordered today

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BALANCED STREET & STRIP ASSY CHEV 396

Part Number: ESP-B182164185

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Estimated Ship Date: Jan 21, 2026 if ordered today

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

Part Number: SCA-1-41255

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Estimated Ship Date: Feb 12, 2026 if ordered today

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ROTATING ASSEMBLY

Part Number: ESP-B18321060

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Estimated Ship Date: Jan 21, 2026 if ordered today

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Engine Re-Ring, Moly, 4.060 in. Bore, .010 in. Rod, .010 in. Main, Chevy, 350, Kit

Part Number: FEM-205-6038M611

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Estimated Ship Date: Today

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