Engine Kits & Rotating Assemblies

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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Estimated Ship Date: Monday 9/8/2025

Pro LS 4340 Rotating Assembly, 415 Cid., 4.065 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-R244006521

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Estimated Ship Date: Monday 9/8/2025

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

Part Number: ESP-11012070

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Estimated Ship Date: Monday 9/8/2025

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Competition, Standard Weight Forged Rotating Assembly

Part Number: SCA-1-41839BI

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/8/2025

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Engine Rotating Assembly, Competition, Steel Crank, Forged Pistons, I-Beam Rods, Chevy, 428 Small Block, Kit

Part Number: SCA-1-44406BI

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Estimated Ship Date: Monday 9/8/2025

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COMPETITION ASSEMBLY CHEV 396

Part Number: ESP-183024155

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Estimated Ship Date: Monday 9/8/2025

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COMPETITION ASSEMBLY FORD 351W

Part Number: ESP-14138040

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Estimated Ship Date: Monday 9/8/2025

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BALANCED PRO STREET ASSEMBLY CHEV 427

Part Number: ESP-B68211060

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Estimated Ship Date: Monday 9/8/2025

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

Part Number: ESP-B18022L060

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/8/2025

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ROTATING ASSEMBLY

Part Number: ESP-B1612603057

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Estimated Ship Date: Monday 9/8/2025

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Engine Rotating Assembly, Series 9000, Cast Crank, Forged Pistons, H-Beam Rods, Ford, Big Block FE, Kit

Part Number: SCA-1-94624BI

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Estimated Ship Date: Monday 9/8/2025

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

Part Number: SCA-1-47310BI

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Estimated Ship Date: Monday 9/8/2025

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Pro LS 4340 Rotating Assembly, 364 Cid., 3.810 bore, 4.000 stroke, 58x, 6.125 rod, 12cc dish, 10:2 @ 61cc, 9.7:1 @ 65cc, File-Fit Rings, H Bearings

Part Number: SUM-R584081012

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Estimated Ship Date: Monday 9/8/2025

Pro LS 4340 Rotating Assembly, 364 Cid., 3.810 bore, 4.000 stroke, 58x, 6.125 rod, 5cc dish, 11:1 @ 61cc, 10.5:1 @ 65cc, File-Fit Rings, H Bearings

Part Number: SUM-R58408105

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Estimated Ship Date: Monday 9/8/2025

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: Monday 9/8/2025

Pro LS 4340 Rotating Assembly, 383 Cid., 3.903 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-R584090316

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Estimated Ship Date: Monday 9/8/2025

Pro LS 4340 Rotating Assembly, 383 Cid., 3.903 bore, 4.000 stroke, 58x, 6.125 rod, 5cc dish, 10.9:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings, H Bearings

Part Number: SUM-R58409035

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Estimated Ship Date: Monday 9/8/2025

Pro LS Rotating Assembly, 330 Cid., 3.810 bore, Standard 3.622 stroke, 24X, 6.098 rod, 7cc dish, 9.8:1 @ 61cc, 9.4:1 @ 65cc, File-Fit ring, H Bearings

Part Number: SUM-R24368107

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Estimated Ship Date: Monday 9/8/2025

Pro LS Rotating Assembly, 332 Cid., 3.820 bore, Standard 3.622 stroke, 24X, 6.098 rod, 2cc dome, 11:1 @ 61cc, 10.5:1 @ 65cc, File-Fit ring, H Bearings

Part Number: SUM-R24368202

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Estimated Ship Date: Monday 9/8/2025

Pro LS 4340 Rotating Assembly, 364 Cid., 4.000 bore, 3.622 stroke, 24X, 6.125 rod,12cc Dish, 9.6:1 @ 65cc, 9.2:1 @ 70cc, File-Fit ring, H Bearings

Part Number: SUM-R2436L00012

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Estimated Ship Date: Monday 9/8/2025

Pro LS 4340 Rotating Assembly, 365 Cid., 4.005 bore, 3.622 stroke, 24X, 6.125 rod, 12cc Dish, 9.6:1 @ 65cc, 9.2:1 @ 70cc, File-Fit rings, H Bearings

Part Number: SUM-R2436L00512

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Estimated Ship Date: Monday 9/8/2025

Pro LS Rotating Assembly, 365 Cid., 4.005 bore, 3.622 stroke, 24X, 6.125 rod, 2cc Flat Top, 10.8:1 @ 65cc, 10.2:1 @ 70cc, File-Fit rings, H Bearings

Part Number: SUM-R2436L0052

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Estimated Ship Date: Monday 9/8/2025

Pro LS Rotating Assembly, 371 Cid., 4.040 bore, 3.622 stroke, 24X, 6.125 rod, 2cc Flat Top, 10.9:1 @ 65cc, 10.3:1 @ 70cc, File-Fit rings, H Bearings

Part Number: SUM-R2436L0402

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/8/2025

Pro LS 4340 Rotating Assembly, 377 Cid., 4.070 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-R5836L0702

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Estimated Ship Date: Monday 9/8/2025

Pro LS 4340 Rotating Assembly, 377 Cid., 4.075 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-R5836L0752

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Estimated Ship Date: Monday 9/8/2025