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 2/2/2026

Pro LS 4340 Rotating Assembly, 359 Cid., 3.780 bore, 4.000 stroke, 24X, 6.125 rod, 5cc dish, 10.9:1 @ 61cc, 10.4:1 @ 65cc, File-Fit Rings, H Bearings

Part Number: SUM-R24407805

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Estimated Ship Date: Monday 2/2/2026

Pro LS 4340 Rotating Assembly, 364 Cid., 4.000 bore, 3.622 stroke, 58x, 6.098 rod, 12cc dish, 9.6:1 @ 65cc, 9.2:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R583600012

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Estimated Ship Date: Monday 2/2/2026

Pro LS 4340 Rotating Assembly, 365 Cid., 4.005 bore, 3.622 stroke, 58x, 6.098 rod, 12cc dish, 9.6:1 @ 65cc, 9.2:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R583600512

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Pro LS Rotating Assembly, 370 Cid., 4.030 bore, 3.622 stroke, 58x, 6.098 rod, 2cc Flat Top, 10.9:1 @ 65cc, 10.3:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R58360302

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Pro LS 4340 Rotating Assembly, 371 Cid., 4.040 bore, 3.622 stroke, 58x, 6.098 rod, 12cc dish, 9.8:1 @ 65cc, 9.3:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R583604012

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Pro LS Rotating Assembly, 371 Cid., 4.040 bore, 3.622 stroke, 58x, 6.098 rod, 2cc Flat Top, 10.9:1 @ 65cc, 10.3:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R58360402

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Pro LS Rotating Assembly, 330 Cid., 3.810 bore, Standard 3.622 stroke, 58x, 6.098 rod, 2cc dome, 11:1 @ 61cc, 10.4:1 @ 65cc, File-Fit Rings, H Bearing

Part Number: SUM-R58368102

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Engine Re-Ring, Premium, Moly, Standard Rod & Main, Oil Pump, Plugs, Chevy, GMC, Kit

Part Number: FEM-MK6038A-300

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Estimated Ship Date: Monday 2/2/2026

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Engine Rebuild, Hypereutectic Dish, 4.030 in. Bore, .010 in. Rod, Standard Main, Chevy, 6.0 Kit

Part Number: FEM-BK6091-310

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Estimated Ship Date: Monday 2/2/2026

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Engine Rebuild, Cast Flat, 3.736 in. Bore, Standard Rod, Standard Main, Chevy 1987-92, 305, Kit

Part Number: FEM-EMKP1027A000

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Estimated Ship Date: Monday 2/2/2026

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Engine Re-Ring, 4.000 in. Bore, Chevy, 5.7L/350, Kit

Part Number: FEM-MK6038A-000

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Monday 2/2/2026

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Engine Rebuild, Hypereutectic Dish, 4 in. Bore, Standard Rod, Standard Main, Chevy, 350, Kit

Part Number: FEM-BKP6084N000

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Engine Rebuild, Hypereutectic Flat, 4.030 in. Bore, .010 in. Rod, .010 in. Main, Ford, 351, Kit

Part Number: FEM-MKP625D-311

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

Part Number: FEM-MKP1024D-000

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Estimated Ship Date: Monday 2/2/2026

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Engine Rebuild, Cast Dish, 4 in. Bore, Standard Rod, Standard Main, Ford, 351W, Kit

Part Number: FEM-MKP261A-000

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Engine Rebuild, Cast Dish, 4.000 in. Bore, Standard Rod, Standard Main, Ford, 351W, Kit

Part Number: FEM-MKP6116A-000

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Estimated Ship Date: Monday 2/2/2026

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

Part Number: FEM-BK6087-300

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Estimated Ship Date: Monday 2/2/2026

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

Part Number: FEM-EMKP1024C000

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

Part Number: FEM-MKP1024C-000

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Engine Rebuild, Hypereutectic Dish, 4 in. Bore, Standard Rod, Standard Main, Chevy, 350, Kit

Part Number: FEM-MKP7024N000

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Estimated Ship Date: Monday 2/2/2026

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Engine Rebuild, Hypereutectic Dish, 4.030 in. Bore, .010 in. Rod, .010 in. Main, Dodge, 360, Kit

Part Number: FEM-BK6245311

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

Part Number: FEM-MKP6024C-000

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Engine Rebuild, Cast Dish, 4.000 in. Bore, Standard Rod, Standard Main, Ford 1983-87, 351W, Kit

Part Number: FEM-EMKP261C-000

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Estimated Ship Date: Monday 2/2/2026

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Engine Rebuild, Hypereutectic Flat, 4.060 in. Bore, Standard Rod, .010 in. Main, Ford, 351W, Kit

Part Number: FEM-MHP176-601

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Estimated Ship Date: Monday 2/2/2026

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