Engine Rotating Assemblies & Rebuild Kits

Pro LS 4340 Rotating Assembly, 359 Cid., 3.780 bore, 4.000 stroke, 58x, 6.125 rod, 5cc dish, 10.9:1 @ 61cc, 10.4:1 @ 65cc, File-Fit Rings, H Bearings

Part Number: SUM-R58407805

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

Engine Rebuild, Hypereutectic Dish, 4.030 in. Bore, .030 in. Crankshaft Undersize Rod, .030 in. Crankshaft Undersize Main, Chevy 383

Part Number: SUM-SBCKIT2-333

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Forged Rotating Assembly, 6.4L/394Cid, 4.030 Bore, 3.858 Stroke, 6.125 in. Rod, Piston 16cc Dish, Steel Rings+Race Bearings -Coated/GP Rings opt..

Part Number: SUM-RALS60053

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Forged Rotating Assembly, 6.7L/408Cid, 4.030 Bore, 4.000 Stroke, 6.125 in. Rod, Piston 9cc Dish, Steel Rings+Race Bearings -Coated/GP Rings opt..

Part Number: SUM-RALS60077

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Pro LS 4340 Rotating Assembly, 367 Cid., 3.820 bore, 4.000 stroke, 58x, 6.125 rod, 12cc dish, 10:2 @ 61cc, 9.8:1 @ 65cc, File-Fit Rings, H Bearings

Part Number: SUM-R584082012

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

Forged Rotating Assembly, 7.1L/434, 4.155 Bore, 4.000 Stroke, 6.000 in. Rod, Piston 18cc Dish, Steel Rings+Race Bearings -Coated/GP Rings opt..

Part Number: SUM-RASBC42713

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Forged Rotating Assembly, 7.1L/434, 4.155 Bore, 4.000 Stroke, 6.000 in. Rod, Piston 18cc Dish, Steel Rings+Race Bearings -Coated/GP Rings opt..

Part Number: SUM-RASBC42714

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Forged Rotating Assembly, 7.1L/434, 4.155 Bore, 4.000 Stroke, 6.000 in. Rod, Piston 18cc Dish, Steel Rings+Race Bearings -Coated/GP Rings opt..

Part Number: SUM-RASBC42715

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Engine Rebuild, Hypereutectic Flat, 4.030 in. Bore, .030 in. Rod, .030 in. Main, Chevy, 350, Kit

Part Number: SUM-SBCKIT3-333

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Forged Rotating Assembly, 6.4L/403Cid, 4.005 Bore, 4.000 Stroke, 6.125 in. Rod, Piston 20cc Dish, Steel Rings+Race Bearings -Coated/GP Rings opt..

Part Number: SUM-RALS60093

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Forged Rotating Assembly, 6.7L/408Cid, 4.030 Bore, 4.000 Stroke, 6.125 in. Rod, Piston -1cc Dome, Steel Rings+Race Bearings -Coated/GP Rings opt..

Part Number: SUM-RALS60089

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Forged Rotating Assembly, 6.4L/396Cid, 4.040 Bore, 3.858 Stroke, 6.125 in. Rod, Piston 16cc Dish, Steel Rings+Race Bearings -Coated/GP Rings opt..

Part Number: SUM-RALS60054

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Forged Rotating Assembly, 6.4L/403Cid, 4.005 Bore, 4.000 Stroke, 6.125 in. Rod, Piston 9cc Dish, Steel Rings+Race Bearings -Coated/GP Rings opt..

Part Number: SUM-RALS60076

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Pro LS 4340 Rotating Assembly, 347 Cid., 3.903 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-R2436L9033

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

Forged Rotating Assembly, 6.0L/371Cid, 4.040 Bore, 3.622 Stroke, 6.098 in. Rod, Piston -8cc Dome, Steel Rings+Race Bearings -Coated/GP Rings opt..

Part Number: SUM-RALS60049

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Forged Rotating Assembly, 6.0L/365Cid, 4.005 Bore, 3.622 Stroke, 6.098 in. Rod, Piston 3cc, Steel Rings+Race Bearings -Coated/GP Rings opt..

Part Number: SUM-RALS60035

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Forged Rotating Assembly, 6.4L/403Cid, 4.005 Bore, 4.000 Stroke, 6.125 in. Rod, Piston 9cc Dish, Steel Rings+Race Bearings -Coated/GP Rings opt..

Part Number: SUM-RALS60105

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Forged Rotating Assembly, 6.7L/408Cid, 4.030 Bore, 4.000 Stroke, 6.125 in. Rod, Piston 20cc Dish, Steel Rings+Race Bearings -Coated/GP Rings opt..

Part Number: SUM-RALS60073

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Pro LS Rotating Assembly, 332 Cid., 3.820 bore, Standard 3.622 stroke, 24X, 6.125 rod, 7cc dish, 9.9:1 @ 61cc, 9.4:1 @ 65cc, File-Fit Rings, H Bearing

Part Number: SUM-R2436L8207

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

Forged Rotating Assembly, 6.7L/408Cid, 4.030 Bore, 4.000 Stroke, 6.125 in. Rod, Piston 20cc Dish, Steel Rings+Race Bearings -Coated/GP Rings opt..

Part Number: SUM-RALS60098

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Pro LS 4340 Rotating Assembly, 346 Cid., 3.898 bore, 3.622 stroke, 58x, 6.098 rod, 3cc dome, 11:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings, H Bearings

Part Number: SUM-R58368983

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

Forged Rotating Assembly, 6.7L/410Cid, 4.040 Bore, 4.000 Stroke, 6.125 in. Rod, Piston 9cc Dish, Steel Rings+Race Bearings -Coated/GP Rings opt..

Part Number: SUM-RALS60107

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Vehicle Maintenance Kit, Complete Engine Maintenance, OE 24 789 03-S, Kohler, Kit

Part Number: RRA-7-09742

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Estimated Ship Date: Dec 10, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-10043-1K

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Estimated Ship Date: Nov 16, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-10026-BK

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Estimated Ship Date: Nov 16, 2026 if ordered today

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