CHEVROLET Engine Kits & Rotating Assemblies

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

Part Number: ESP-B12302L030

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2026 if ordered today

• Free Shipping
• Special Order

Pro LS 4340 Rotating Assembly, 377 Cid., 4.075 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-R5836L0752

Not Yet Reviewed

Estimated Ship Date: Today

Pro LS Rotating Assembly, 332 Cid., 3.820 bore, Standard 3.622 stroke, 58x, 6.098 rod, 2cc dome, 11:1 @ 61cc, 10.5:1 @ 65cc, File-Fit Rings, H Bearing

Part Number: SUM-R58368202

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Special Order

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

Not Yet Reviewed

Estimated Ship Date: Today

Engine Re-Ring, Moly, 4.155 in. Bore, .010 in. Rod, .010 in. Main, Chevy, 400, Kit

Part Number: FEM-205-6282M311

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

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

Part Number: SCA-1-42454

Not Yet Reviewed

Estimated Ship Date: Dec 30, 2026 if ordered today

• Free Shipping
• Special Order

Pro LS 4340 Rotating Assembly, 346 Cid., 3.898 bore, 3.622 stroke, 24X, 6.125 rod, 7cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings, H Bearings

Part Number: SUM-R2436L8987

Not Yet Reviewed

Estimated Ship Date: Today

Pro LS 4340 Rotating Assembly, 416 Cid., 4.070 bore, 4.000 stroke, 24X, 6.125 rod, 21cc dish, 9.9:1 @ 65cc, 9.5:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R244007021

Not Yet Reviewed

Estimated Ship Date: Today

Pro LS 4340 Rotating Assembly, 367 Cid., 3.820 bore, 4.000 stroke, 24X, 6.125 rod, 12cc dish, 10:2 @ 61cc, 9.8:1 @ 65cc, File-Fit Rings, H Bearings

Part Number: SUM-R244082012

Not Yet Reviewed

Estimated Ship Date: Today

Pro LS Rotating Assembly, 330 Cid., 3.810 bore, Standard 3.622 stroke, 58x, 6.125 rod, 7cc dish, 9.8:1 @ 61cc, 9.4:1 @ 65cc, File-Fit Rings, H Bearing

Part Number: SUM-R5836L8107

Not Yet Reviewed

Estimated Ship Date: Today

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

Part Number: ESP-B12501030

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2026 if ordered today

• Free Shipping
• Special Order

Pro LS 4340 Rotating Assembly, 347 Cid., 3.903 bore, 3.622 stroke, 24X, 6.098 rod, 3cc dome, 11:1 @ 65cc, 10.6:1 @ 68cc, File-Fit ring, H Bearing

Part Number: SUM-R24369033

Not Yet Reviewed

Estimated Ship Date: Today

Pro LS 4340 Rotating Assembly, 382 Cid., 3.898 bore, 4.000 stroke, 24X, 6.125 rod, 16cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings, H Bearings

Part Number: SUM-R244089816

Not Yet Reviewed

Estimated Ship Date: Today

Pro LS 4340 Rotating Assembly, 367 Cid., 3.820 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-R24408205

Not Yet Reviewed

Estimated Ship Date: Today

Engine Rotating Assembly, Street/Strip, Forged Piston, Forged Crank, I-Beam Rods, Chevy, Small Block, Kit

Part Number: ESP-B627004000

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 21, 2026 if ordered today

• Free Shipping
• Special Order

Pro LS Rotating Assembly, 365 Cid., 4.005 bore, 3.622 stroke, 24X, 6.098 rod, 2cc Flat Top, 10.8:1 @ 65cc, 10.2:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R24360052

Not Yet Reviewed

Estimated Ship Date: Today

BALANCED COMPETITION ASSEMBLY CHEV 350

Part Number: ESP-B12311030

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2026 if ordered today

• Free Shipping
• Special Order

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

Part Number: CMB-08-0072

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

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

Part Number: ESP-11013060

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2026 if ordered today

• Free Shipping
• Special Order

Engine Re-Ring, 4.030 in. Bore, .020 in. Rod, .020 in. Main, Chevy, Kit

Part Number: SUM-RRKIT1-322

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Engine Re-Ring, Moly, 3.736 in. Bore, Standard Rod, Standard Main, Chevy, 5.0L, Kit

Part Number: FEM-205-6027M

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

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

Part Number: ESP-11012030

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2026 if ordered today

• Free Shipping
• Special Order

COMPETITION ASSEMBLY CHEV 400

Part Number: ESP-12160040

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2026 if ordered today

• Free Shipping
• Special Order

Pro LS 4340 Rotating Assembly, 417 Cid., 4.075 bore, 4.000 stroke, 24X, 6.125 rod, 21cc dish, 9.9:1 @ 65cc, 9.5:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R244007521

Not Yet Reviewed

Estimated Ship Date: Today

Pro LS 4340 Rotating Assembly, 376 Cid., 4.065 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-R2436L06512

Not Yet Reviewed

Estimated Ship Date: Today