CHEVROLET Engine Kits & Rotating Assemblies

Pro LS 4340 Rotating Assembly, 415 Cid., 4.065 bore, 4.000 stroke, 58x, 6.125 rod, 6cc dish, 11.5:1 @ 65cc, 10.9:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R58400656

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

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 9/29/2025

• Free Shipping

Engine Rotating Assembly, Competition, Forged Crank, Forged Pistons, H-Beam Rods, Chevy, Big Block, Kit

Part Number: ESP-B11012060

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 9/29/2025

• Free Shipping

Engine Rotating Assembly, Street, Cast Crank, Pistons, I-Beam Rods, Chevy, Small Block, Kit

Part Number: ESP-B15402L03068

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/29/2025

• Free Shipping

Engine Rotating Assembly, Street, Cast Crank, Hypereutectic Pistons, I-Beam Rods, Chevy, Small Block, Kit

Part Number: ESP-B15454E030

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/29/2025

• Free Shipping

Engine Rotating Assembly, Street, Cast Crank, Hypereutectic Pistons, I-Beam Rods, Chevy, Small Block, Kit

Part Number: ESP-B15405L04068

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

• Free Shipping

Engine Rotating Assembly, Street/Strip, Cast Crank, Hypereutectic Pistons, I-Beam Rods, Chevy, 5.7L, Kit

Part Number: ESP-B15505L03053

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

• Free Shipping

Pro LS 4340 Piston and Rod Kit, 364 Cid., 4.000 bore, 3.622 stroke, 6.098 rod, 12cc dish, 9.6:1 @ 65cc, 9.2:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR3600012

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/29/2025

• Free Shipping

Pro LS 4340 Piston and Rod Kit, 370 Cid., 4.030 bore, 3.622 stroke, 6.098 rod, 12cc dish, 9.7:1 @ 65cc, 9.3:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR3603012

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 9/29/2025

• Free Shipping

Pro LS 4340 Piston and Rod Kit, 370 Cid., 4.030 bore, 3.622 stroke, 6.125 rod, 12cc Dish, 9.7:1 @ 65cc, 9.3:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR36L03012

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

• Free Shipping

Pro LS Piston and Rod Kit, 325 Cid., 3.780 bore, Standard 3.622 stroke, 6.098 rod, 7cc dish, 9.7:1 @ 61cc, 9.3:1 @ 65cc, File-Fit Rings

Part Number: SUM-PR367807

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/29/2025

• Free Shipping

Pro LS Rotating Assembly, 330 Cid., 3.810 bore, Standard 3.622 stroke, 24X, 6.125 rod, 7cc dish, 9.8:1 @ 61cc, 9.4:1 @ 65cc, File-Fit Rings, H Bearing

Part Number: SUM-R2436L8107

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

Engine Rebuild Kit, Hypereutectic Flat Top, Plasmamoly Rings, Stock Bore, Bearings, Chevy, LS, Kit

Part Number: CMB-08-0068

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/29/2025

• Free Shipping

Pro LS 4340 Rotating Assembly, 383 Cid., 3.903 bore, 4.000 stroke, 24X, 6.125 rod, 5cc dish, 10.9:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings, H Bearings

Part Number: SUM-R24409035

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

Pro LS Rotating Assembly, 364 Cid., 4.000 bore, 3.622 stroke, 24X, 6.098 rod, 2cc Flat Top, 10.7:1 @ 65cc, 10.4:1 @ 70cc File-Fit Rings, H Bearings

Part Number: SUM-R24360002

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

Engine Rotating Assembly, Street, Cast Crank, Pistons, I-Beam Rods, Chevy, Small Block, Kit

Part Number: ESP-B15402E000

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/29/2025

• Free Shipping

Pro LS 4340 Rotating Assembly, 416 Cid., 4.070 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-R584007021

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

Engine Rotating Assembly, Series 9000, Cast Crank, Forged Pistons, I-Beam Rods, Chevy, Small Block, Kit

Part Number: SCA-1-91055

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/29/2025

• Free Shipping

Pro LS 4340 Rotating Assembly, 415 Cid., 4.065 bore, 4.000 stroke, 24X, 6.125 rod, 6cc dish, 11.5:1 @ 65cc, 10.9:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R24400656

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/29/2025

Pro LS 4340 Rotating Assembly, 364 Cid., 3.810 bore, 4.000 stroke, 24X, 6.125 rod, 5cc dish, 11:1 @ 61cc, 10.5:1 @ 65cc, File-Fit Rings, H Bearings

Part Number: SUM-R24408105

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

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 9/29/2025

Pro LS 4340 Rotating Assembly, 403 Cid., 4.005 bore, 4.000 stroke, 24X, 6.125 rod, 8cc dish, 11:1 @ 65cc, 10.4:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R24400058

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

Pro LS Piston and Rod Kit, 325 Cid., 3.780 bore, Standard 3.622 stroke, 6.125 rod, 7cc dish, 9.7:1 @ 61cc, 9.3:1 @ 65cc, File-Fit Rings

Part Number: SUM-PR36L7807

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 9/29/2025

• Free Shipping

Engine Rotating Assembly, Street, Cast Crank, Hypereutectic Pistons, I-Beam Rods, Chevy, Small Block, Kit

Part Number: ESP-B15404E030

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

• Free Shipping

Pro LS 4340 Piston and Rod Kit, 365 Cid., 4.005 bore, 3.622 stroke, 6.125 rod, 12cc Dish, 9.6:1 @ 65cc, 9.2:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR36L00512

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

• Free Shipping