Engine Rotating Assemblies & Rebuild Kits

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 Re-Ring, Moly, 3.905 in. Bore, Standard Rod, Chevy, 283, Kit

Part Number: FEM-205619-30

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

BOTTOM END KIT Yamaha

Part Number: HRI-HR00124

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Engine Re-Ring, Cast, 4 in. Bore, Standard Rod, Ford Small Block, Kit

Part Number: FEM-205153-00

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Engine Re-Ring, Moly, 4.057 in. Bore, Standard Rod, Standard Main, Oldsmobile, 350, Kit

Part Number: FEM-205-6310M000

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Cylinder Kit, Forged Aluminum, Standard Bore, Kawasaki, KX250F, Set

Part Number: CLW-30006-K01

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Pro LS 4340 Rotating Assembly, 377 Cid., 4.070 bore, 3.622 stroke, 58x, 6.125 rod, 12cc dish, 9.9:1 @ 65cc, 9.4:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R5836L07012

Not Yet Reviewed

Estimated Ship Date: Today

Pro LS 4340 Rotating Assembly, 416 Cid., 4.070 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-R24400706

Not Yet Reviewed

Estimated Ship Date: Today

Pro LS 4340 Rotating Assembly, 360 Cid., 3.785 bore, 4.000 stroke, 24X, 6.125 rod, 5cc dish, 10.9:1 @ 61cc, 10.4:1 @ 65cc, File-Fit Rings, H Bearings

Part Number: SUM-R24407855

Not Yet Reviewed

Estimated Ship Date: Today

Engine Re-Ring, Moly, 3.766 in. Bore, .010 in. Rod, .010 in. Main, Chevy, 305, Kit

Part Number: FEM-205-6285M311

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

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: Today

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

Part Number: FEM-MK625A-000

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Engine Re-Ring, Cast, 4.360 in. Bore, Standard Rod, Standard Main, Ford, Big Block, Kit

Part Number: FEM-205137M-000

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Engine Re-Ring, Moly, 3.780 in. Bore, Standard Rod, Chevy, 4.8/5.3, Kit

Part Number: FEM-205-6940-000

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Engine Re-Ring, Cast, 4.000 in. Bore, .010 in. Rods, .010 in. Mains, Chevy, V6 4.3L, Kit

Part Number: FEM-205-6505M011

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Engine Re-Ring, Moly, Standard Rod, Standard Main, Ford V8, 5.8L/351, Gaskets, Piston Rings, Kit

Part Number: FEM-2056117M-000

4.5 out of 5 stars ( 2 )

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 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, Standard Rod, Standard Main, Ford, V8, 5.4L/330, Piston Rings, Gaskets, Lubricant, Kit

Part Number: FEM-205-6953M000

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

• Free Shipping

Engine Re-Ring, Moly, 4.000 in. Bore, Standard Rod, Standard Main, Dodge, 5.9L, Kit

Part Number: FEM-205-6378M000

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Big Bore Cylinder Kit, Forged Piston, 80mm Bore, Yamaha, Motorcycle, Kit

Part Number: CLW-21002-K01

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Engine Re-Ring, 4.030 in. Bore, .030 in. Rod, .030 in. Main, Chevy, Kit

Part Number: SUM-RRKIT1-333

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Engine Re-Ring, Moly, 4.150 in. Bore, .010 in. Rod, .010 in. Main, Pontiac, 400, Kit

Part Number: FEM-205640M-311

Not Yet Reviewed

Estimated Ship Date: Today

• 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

• Restricted

COMPLETE BOTTOM END KIT

Part Number: HRI-CBK0187

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order