Summit Racing Engine Kits & Rotating Assemblies

Pro LS 4340 Rotating Assembly, 383 Cid., 3.903 bore, 4.000 stroke, 58x, 6.125 rod, 5cc dish, 10.9:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings, H Bearings

Part Number: SUM-R58409035

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

Pro LS 4340 Rotating Assembly, 417 Cid., 4.075 bore, 4.000 stroke, 58x, 6.125 rod, 21cc dish, 9.9:1 @ 65cc, 9.5:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R584007521

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

Pro LS 4340 Piston and Rod Kit, 403 Cid., 4.005 bore, 4.000 stroke, 6.125 rod, 8cc dish, 11:1 @ 65cc, 10.4:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR400058

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

• Free Shipping

Pro LS Rotating Assembly, 370 Cid., 4.030 bore, 3.622 stroke, 24X, 6.098 rod, 2cc Flat Top, 10.9:1 @ 65cc, 10.3:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R24360302

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

Pro LS 4340 Piston and Rod Kit, 408 Cid., 4.030 bore, 4.000 stroke, 6.125 rod, 20cc dish, 9.8:1 @ 65cc, 9.4:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR4003020

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

• Free Shipping

Engine Re-Ring, 4.030 in. Bore, Standard Rod, Standard Main, 350, Kit

Part Number: SUM-RRKIT1-300

4.14 out of 5 stars ( 7 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

• 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 if shipped by air

• Restricted
• Free Shipping

Pro LS 4340 Piston and Rod Kit, 417 Cid., 4.075 bore, 4.000 stroke, 6.125 rod, 6cc dish, 11.5:1 @ 65cc, 11:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR400756

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

• Free Shipping

Pro LS 4340 Piston and Rod Kit, 364 Cid., 3.810 bore, 4.000 stroke, 6.125 rod, 5cc dish, 11:1 @ 61cc, 10.5:1 @ 65cc, File-Fit Rings

Part Number: SUM-PR408105

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

• Free Shipping

Pro LS 4340 Piston and Rod Kit, 408 Cid., 4.030 bore, 4.000 stroke, 6.125 rod, 8cc dish, 11.1:1 @ 65cc, 10.6:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR400308

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

• Free Shipping

Pro LS Piston and Rod Kit, 332 Cid., 3.820 bore, Standard 3.622 stroke, 6.125 rod, 7cc dish, 9.9:1 @ 61cc, 9.4:1 @ 65cc, File-Fit Rings

Part Number: SUM-PR36L8207

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

• 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 if shipped by air

• Restricted
• Free Shipping

Engine Kit, Crank, Flat-Top Piston/Moly Ring, Rod, Main, Gaskets, Oil Pump, Timing Set, Chevy, 355, Kit

Part Number: SES-3483002050

5.0 out of 5 stars ( 1 )

Cannot be shipped Internationally if shipped by air

• Restricted

Engine Re-Ring, 4.030 in. Bore, .010 in. Rod, .010 in. Main, Chevy, Kit

Part Number: SUM-RRKIT1-311

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

• 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 if shipped by air

• Restricted
• Free Shipping

Engine Rebuild, Hypereutectic Flat, 4.040 in. Bore, .020 in. Rod, .020 in. Main, Chevy, 350, Kit

Part Number: SUM-SBCKIT3-422

Not Yet Reviewed

Cannot be shipped Internationally if shipped by air

• Restricted
• Free Shipping

Engine Rebuild, Hypereutectic Flat, 4.060 in. Bore, .020 in. Rod, .020 in. Main, Chevy, 350, Kit

Part Number: SUM-SBCKIT3-622

1.0 out of 5 stars ( 1 )

Cannot be shipped Internationally if shipped by air

• Restricted
• Free Shipping

Engine Re-Ring, 4.060 in. Bore, Standard Rod, Standard Main, Chevy, Kit

Part Number: SUM-RRKIT1-600

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

• Free Shipping

Engine Re-Ring, 4.040 in. Bore, Standard Rod, Standard Main, Chevy, Kit

Part Number: SUM-RRKIT1-400

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

• Free Shipping

Engine Kit, Flat-Top Piston/Moly Ring, Rod, Main, Gaskets, Oil Pump, Timing Set, Chevy, 355, Kit

Part Number: SES-3483114000

Not Yet Reviewed

Cannot be shipped Internationally if shipped by air

• Restricted
• Free Shipping

Engine Kit, Moly Ring, Rod, Main, Gaskets, Oil Pump, Timing Set, Chevy, Small Block, 350, Kit

Part Number: SES-3480000000

Not Yet Reviewed

Cannot be shipped Internationally if shipped by air

• Restricted
• Free Shipping

Engine Re-Ring, 4.060 in. Bore, .010 in. Rod, .010 in. Main, Chevy, Kit

Part Number: SUM-RRKIT1-611

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

• Free Shipping

Pro LS 4340 Rotating Assembly, 408 Cid., 4.030 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-R584003020

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

Pro LS 4340 Piston and Rod Kit, 346 Cid., 3.898 bore, 3.622 stroke, 6.125 rod, 7cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings

Part Number: SUM-PR36L8987

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

• Free Shipping

Pro LS Crank and Rods, Forged 4340 Steel Crank, 4 in. Stroke, Forged 4340 Steel H-Beam Rods, 6.125 in. Rod Length, Chevy, LS, Kit

Part Number: SUM-CR4024125

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air