Engine Rotating Assemblies & Rebuild Kits

Pro LS 4340 Piston and Rod Kit, 417 Cid., 4.080 bore, 4.000 stroke, 6.125 rod, 21cc dish, 9.9:1 @ 65cc, 9.5:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR4008021

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Free Shipping
• Special Order

Pro LS 4340 Piston and Rod Kit, 359 Cid., 3.780 bore, 4.000 stroke, 6.125 rod, 12cc dish, 10:1 @ 61cc, 9.6:1 @ 65cc, File-Fit Rings

Part Number: SUM-PR4078012

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Free Shipping
• Special Order

Pro LS 4340 Piston and Rod Kit, 360 Cid., 3.785 bore, 4.000 stroke, 6.125 rod, 12cc dish, 10:1 @ 61cc, 9.6:1 @ 65cc, File-Fit Rings

Part Number: SUM-PR4078512

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Free Shipping
• Special Order

Pro LS 4340 Piston and Rod Kit, 382 Cid., 3.898 bore, 4.000 stroke, 6.125 rod, 16cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings

Part Number: SUM-PR4089816

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

• Free Shipping
• Special Order

Pro LS 4340 Piston and Rod Kit, 403 Cid., 4.005 bore, 4.000 stroke, 6.125 rod, 20cc dish, 9.7:1 @ 65cc, 9.3:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR4000520

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Free Shipping
• Special Order

Pro LS 4340 Piston and Rod Kit, 410 Cid., 4.040 bore, 4.000 stroke, 6.125 rod, 20cc dish, 9.8:1 @ 65cc, 9.4:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR4004020

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Free Shipping
• Special Order

Pro LS 4340 Rotating Assembly, 403 Cid., 4.005 bore, 4.000 stroke, 58x, 6.125 rod, 20cc dish, 9.7:1 @ 65cc, 9.3:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R584000520

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Special Order

Pro LS 4340 Rotating Assembly, 410 Cid., 4.040 bore, 4.000 stroke, 58x, 6.125 rod, 20cc dish, 9.8:1 @ 65cc, 9.4:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R584004020

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Special Order

Engine Rebuild, Hypereutectic Flat, 4.000 in. Bore, Standard Rod Bearings, Standard Main Bearings, Chevy, 350, Kit

Part Number: SUM-SBCKIT3-000

5.0 out of 5 stars ( 3 )

Cannot be shipped Internationally

• Restricted
• Free Shipping

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

Part Number: SUM-SBCKIT3-300

5.0 out of 5 stars ( 1 )

Cannot be shipped Internationally

• Restricted
• Free Shipping

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

Part Number: SUM-SBCKIT3-311

4.67 out of 5 stars ( 3 )

Cannot be shipped Internationally

• Restricted
• Free Shipping

Engine Rebuild, Hypereutectic Flat, 4.060 in. Bore, Standard Rod, Standard Main, Chevy, 350, Kit

Part Number: SUM-SBCKIT3-600

5.0 out of 5 stars ( 1 )

Cannot be shipped Internationally

• Restricted
• Free Shipping

Engine Rebuild, Hypereutectic Flat, 4.040 in. Bore, Standard Rod, Standard Main, Chevy, 350, Kit

Part Number: SUM-SBCKIT3-400

Not Yet Reviewed

Cannot be shipped Internationally

• Restricted
• Free Shipping

Engine Rebuild, Hypereutectic Flat, 4.030 in. Bore, .020 in. Rod, .020 in. Main, Chevy, 350, Kit

Part Number: SUM-SBCKIT3-322

Not Yet Reviewed

Cannot be shipped Internationally

• Restricted
• Free Shipping

Engine Rebuild, Hypereutectic Flat, 4.040 in. Bore, .010 in. Rod, .010 in. Main, Chevy, 350, Kit

Part Number: SUM-SBCKIT3-411

5.0 out of 5 stars ( 2 )

Cannot be shipped Internationally

• Restricted
• Free Shipping

Engine Re-Ring, Moly, 4 in. Bore, Standard Rod, Standard Main, Chevy, 350, Kit

Part Number: FEM-MK6038D-000

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Engine Rebuild, Hypereutectic Dish, 4.030 in. Bore, Standard Rod, Standard Main, Chevy, 383

Part Number: SUM-SBCKIT2-300

5.0 out of 5 stars ( 2 )

Cannot be shipped Internationally

• Restricted
• Free Shipping

Engine Re-Ring, Moly, 4.250 in. Bore, Standard Rod, Standard Main, Chevy, 454, Kit

Part Number: FEM-MK6086C-000

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Engine Rebuild, Hypereutectic Flat, 4.020 in. Bore, 0.010 in. Oversize Rod Bearings, 0.010 in. Oversize Main Bearings, Chevy, 350, Kit

Part Number: SUM-SBCKIT3-211

Not Yet Reviewed

Cannot be shipped Internationally

• Restricted
• Free Shipping

Engine Rebuild, Hypereutectic Flat, 4.060 in. Bore, .010 in. Rod, .010 in. Main, Chevy, 350, Kit

Part Number: SUM-SBCKIT1-611

4.0 out of 5 stars ( 1 )

Cannot be shipped Internationally

• Restricted
• 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: Today

• Free Shipping

Engine Re-Ring, 4.000 in. Bore, Standard Rod, Standard Main, Ford, Kit

Part Number: FEM-MK6116D000

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

• Free Shipping

Engine Re-Ring, Moly, 4 in. Bore, Standard Rod, Standard Main, Ford, 351M/400, Kit

Part Number: FEM-MK624F-000

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Engine Re-Ring, Cast Iron, 4 in. Bore, Standard Rod, Standard Main, Ford, 351W, Kit

Part Number: FEM-MK261C-000

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Engine Re-Ring, Moly, 4.250 in. Bore, Standard Rod, Standard Main, Chevy, 454, Kit

Part Number: FEM-MK7030-000

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping