Engine Rotating Assemblies & Rebuild Kits

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 10/13/2025

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 10/13/2025

Pro LS Rotating Assembly, 370 Cid., 4.030 bore, 3.622 stroke, 58x, 6.125 rod, 2cc Flat Top, 10.9:1 @ 65cc, 10.3:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R5836L0302

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Estimated Ship Date: Monday 10/13/2025

Pro LS Rotating Assembly, 371 Cid., 4.040 bore, 3.622 stroke, 58x, 6.125 rod, 2cc Flat Top, 10.9:1 @ 65cc, 10.3:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R5836L0402

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Estimated Ship Date: Monday 10/13/2025

Pro LS 4340 Rotating Assembly, 376 Cid., 4.065 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-R5836L0652

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Estimated Ship Date: Monday 10/13/2025

Pro LS 4340 Rotating Assembly, 382 Cid., 3.898 bore, 4.000 stroke, 24X, 6.125 rod, 16cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings, H Bearings

Part Number: SUM-R244089816

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Estimated Ship Date: Monday 10/13/2025

Pro LS 4340 Rotating Assembly, 383 Cid., 3.903 bore, 4.000 stroke, 24X, 6.125 rod, 16cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings, H Bearings

Part Number: SUM-R244090316

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Estimated Ship Date: Monday 10/13/2025

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 10/13/2025

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 10/13/2025

Pro LS 4340 Rotating Assembly, 378 Cid., 4.080 bore, 3.622 stroke, 58x, 6.125 rod, 12cc dish, 9.9:1 @ 65cc, 9.4:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R5836L08012

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Estimated Ship Date: Monday 10/13/2025

Pro LS 4340 Rotating Assembly, 378 Cid., 4.080 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-R5836L0802

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Estimated Ship Date: Monday 10/13/2025

Engine Rotating Kits, Pro LS Crank and Rod Kits, Forged 4340 Steel, 6.125 in. Connecting Rod Length, 3.622 in. Stroke, Chevy, 5.3L, 5.7L, 6.0L, Kit

Part Number: SUM-CR3624125

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Estimated Ship Date: Monday 10/13/2025

Engine Rotating Kits, Pro LS Crank and Rod Kits, Forged 4340 Steel, 6.125 in. Connecting Rod Length, 3.622 in. Stroke, Chevy, 5.3L, 6.0L, 6.2L, Kit

Part Number: SUM-CR3658125

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Estimated Ship Date: Monday 10/13/2025

Engine Rebuild, Hypereutectic Flat, 4 in. Bore, .020 in. Rod, .020 in. Main, Chevy, 350, Kit

Part Number: FEM-CSMHP762-022

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Estimated Ship Date: Monday 10/13/2025

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Engine Rebuild, Hypereutectic Flat Top, Plasmamoly Rings, Stock Bore, .010 in Under Bearings, Chevy, 5.7L, Kit

Part Number: CMB-08-0077

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Estimated Ship Date: Monday 10/13/2025

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Engine Rebuild Kit, Hypereutectic Flat Top, Plasmamoly Rings, Stock Bore, .010 in. Under Bearings, Chevy, LS

Part Number: CMB-08-0069

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Estimated Ship Date: Monday 10/13/2025

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Engine Rebuild, Hypereutectic Dish, 4.030 in. Bore, .010 in. Rod, .010 in. Main, Chevy, 350

Part Number: FEM-MKP1394AN311

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Estimated Ship Date: Monday 10/13/2025

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Engine Rebuild, Cast Flat, 3.736 in. Bore, Standard Rod, Standard Main, Chevy, 305, Kit

Part Number: FEM-MKP6024D-000

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Estimated Ship Date: Monday 10/13/2025

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Engine Rebuild, Hypereutectic Flat, 4.000 in. Bore, .010 in. Rod, .010 in. Main, Chevy, 5.7L, Kit

Part Number: FEM-MKP6152A-011

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Estimated Ship Date: Monday 10/13/2025

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Engine Re-Ring, Moly, 4.030 in. Bore, .010 in. Rod, Ford, 351W, Kit

Part Number: FEM-205625-31

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Estimated Ship Date: Monday 10/13/2025

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Engine Re-Ring, Moly, 4 in. Bore, .010 in. Rod, Ford, 302, Kit

Part Number: FEM-2056254-01

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Estimated Ship Date: Monday 10/13/2025

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Engine Re-Ring, Moly, 4.000 in. Bore, .010 .in Rod, .010 in. Main, Ford, 5.0L, Kit

Part Number: FEM-2056254M-011

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Estimated Ship Date: Monday 10/13/2025

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Engine Re-Ring, Moly, 4.030 in. Bore, .010 in. Rod, .010 in. Main, Ford, 5.0L, Kit

Part Number: FEM-2056254M-311

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Estimated Ship Date: Monday 10/13/2025

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Engine Re-Ring, Moly, 4.000 in. Bore, .010 in. Rod, .010 in. Main, Ford, 351W, Kit

Part Number: FEM-205625M-011

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Estimated Ship Date: Monday 10/13/2025

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RE-RING KIT ECO. RINGS

Part Number: FEM-205217-03

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Estimated Ship Date: Monday 10/13/2025

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