Engine Rotating Assemblies & Rebuild Kits

Pro LS Rotating Assembly, 325 Cid., 3.780 bore, Standard 3.622 stroke, 58x, 6.125 rod, 7cc dish, 9.7:1 @ 61cc, 9.3:1 @ 65cc, File-Fit Rings, H Bearing

Part Number: SUM-R5836L7807

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Pro LS 4340 Rotating Assembly, 370 Cid., 4.030 bore, 3.622 stroke, 58x, 6.125 rod, 12cc Dish, 9.7:1 @ 65cc, 9.3:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R5836L03012

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Pro LS 4340 Rotating Assembly, 378 Cid., 4.080 bore, 3.622 stroke, 24X, 6.125 rod, 2cc dome, 11.6:1 @ 65cc, 11:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R2436L0802

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Pro LS Rotating Assembly, 326 Cid., 3.785 bore, Standard 3.622 stroke, 58x, 6.125 rod, 7cc dish, 9.7:1 @ 61cc, 9.3:1 @ 65cc, File-Fit Rings, H Bearing

Part Number: SUM-R5836L7857

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Pro LS 4340 Rotating Assembly, 378 Cid., 4.080 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-R2436L08012

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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

Part Number: FEM-BKP6084N000

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

• Free Shipping

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

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Pro LS 4340 Piston and Rod Kit, 383 Cid., 3.903 bore, 4.000 stroke, 6.125 rod, 16cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings

Part Number: SUM-PR4090316

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

• Free Shipping

Pro LS 4340 Piston and Rod Kit, 367 Cid., 3.820 bore, 4.000 stroke, 6.125 rod, 12cc dish, 10:2 @ 61cc, 9.8:1 @ 65cc, File-Fit Rings

Part Number: SUM-PR4082012

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

• Free Shipping

Pro LS 4340 Rotating Assembly, 365 Cid., 4.005 bore, 3.622 stroke, 58x, 6.125 rod, 12cc Dish, 9.6:1 @ 65cc, 9.2:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R5836L00512

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Pro LS 4340 Rotating Assembly, 417 Cid., 4.080 bore, 4.000 stroke, 24X, 6.125 rod, 6cc dish, 11.6:1 @ 65cc, 11:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R24400806

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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

Part Number: FEM-BK-6089-000

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

• Free Shipping

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

Part Number: FEM-MKP625D-311

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

• Free Shipping

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

Part Number: FEM-EMKP1027A000

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

• Free Shipping

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 3/23/2026 if shipped by air

• Free Shipping

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

Part Number: FEM-MKP6116A-000

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

• Free Shipping

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

Part Number: FEM-MKP1024D-000

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

• Free Shipping

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

Part Number: FEM-BK6245311

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

• Free Shipping

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

Part Number: FEM-BK6087-300

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

• Free Shipping

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

Part Number: FEM-MHP176-601

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

• Free Shipping

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

Part Number: FEM-MKP1394AN311

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

• Free Shipping

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

Part Number: FEM-EMKP1024C000

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

• Free Shipping