Engine Rotating Assemblies & Rebuild Kits

Pro LS Rotating Assembly, 325 Cid., 3.780 bore, Standard 3.622 stroke, 24X, 6.125 rod, 7cc dish, 9.7:1 @ 61cc, 9.3:1 @ 65cc, File-Fit Rings, H Bearing

Part Number: SUM-R2436L7807

Not Yet Reviewed

Estimated Ship Date: Monday 8/18/2025

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

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Estimated Ship Date: Monday 8/18/2025

Pro LS Rotating Assembly, 370 Cid., 4.030 bore, 3.622 stroke, 24X, 6.125 rod, 2cc Flat Top, 10.9:1 @ 65cc, 10.3:1 @ 70cc, File-Fit rings, H Bearings

Part Number: SUM-R2436L0302

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 8/18/2025

Engine Rebuild, Hypereutectic Flat Top, Plasmamoly Rings, Stock Bore, Bearings, Chevy, 5.7L, Kit

Part Number: CMB-08-0076

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Estimated Ship Date: Monday 8/18/2025

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

Part Number: ESP-14003-030

Not Yet Reviewed

Estimated Ship Date: Aug 22, 2025 if ordered today

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Engine Re-Ring, Moly, 4.080 in. Bore, Standard Rod, AMC, 360, Kit

Part Number: FEM-205715-00

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Estimated Ship Date: Monday 8/18/2025

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

Part Number: ESP-B13007L03068

Not Yet Reviewed

Estimated Ship Date: Sep 2, 2025 if ordered today

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Engine Re-Ring, Premium, Moly, Standard Rod & Main, Oil Pump, Plugs, Chevy, GMC, Kit

Part Number: FEM-MK6038A-300

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Estimated Ship Date: Monday 8/18/2025

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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

• Restricted
• Free Shipping

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

Part Number: FEM-BK6087-300

Not Yet Reviewed

Estimated Ship Date: Monday 8/18/2025

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Engine Re-Ring, Moly, 4 in. Bore, Standard Rod, Standard Main, Dodge, 360, Kit

Part Number: FEM-205683AM-000

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 8/18/2025

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Engine Re-Ring, Moly, 4.040 in. Bore, Standard Rod, Standard Main, Ford, Lincoln, Mercury, 302, Kit

Part Number: FEM-205-653M400

Not Yet Reviewed

Estimated Ship Date: Monday 8/18/2025

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Engine Re-Ring, Moly, 3.736 in. Bore, Standard Rod, Standard Main, Chevy, 305, Kit

Part Number: FEM-MK6024D-000

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 8/18/2025

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Engine Re-Ring, Moly, 4.125 in. Bore, Standard Rod, Standard Main, Chevy, 400, Kit

Part Number: FEM-MK618C-000

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Estimated Ship Date: Monday 8/18/2025

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Engine Re-Ring, Moly, 4.080 in. Bore, .020 in. Rod, .020 in. Main, Ford, 360/390, Kit

Part Number: FEM-205-601M322

Not Yet Reviewed

Estimated Ship Date: Monday 8/18/2025

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Engine Rotating Assembly, Street/Strip, Cast Crank, Hypereutectic Piston, I-Beam Rod, Chevy, Small Block, Kit

Part Number: ESP-B13202E040

Not Yet Reviewed

Estimated Ship Date: Aug 18, 2025 if ordered today

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Engine Re-Ring, Moly, 3.736 in. Bore, Standard Rod, Standard Main, Chevy, 305, Kit

Part Number: FEM-205-6285M000

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Sep 4, 2025 if ordered today

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Engine Re-Ring, Cast, 4 in. Bore, Standard Rod, Standard Main, Ford, 302, Kit

Part Number: FEM-205260M-000

Not Yet Reviewed

Estimated Ship Date: Monday 8/18/2025

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Pro LS 4340 Piston and Rod Kit, 365 Cid., 4.005 bore, 3.622 stroke, 6.098 rod, 12cc dish, 9.6:1 @ 65cc, 9.2:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR3600512

Not Yet Reviewed

Estimated Ship Date: Monday 8/18/2025

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Big Bore Cylinder Kit, Forged Piston, 94mm Bore, Arctic Cat, Kawasaki, Suzuki, ATV, Motorcycle, Kit

Part Number: CLW-41001-K01

Not Yet Reviewed

Estimated Ship Date: Sep 8, 2025 if ordered today

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Engine Re-Ring, Moly, 4.030 in. Bore, .010 in. Rod, .010 in. Main, Ford, 351M, Kit

Part Number: FEM-205624AM-311

Not Yet Reviewed

Estimated Ship Date: Monday 8/18/2025

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

Part Number: FEM-MK624F-000

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Estimated Ship Date: Monday 8/18/2025

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Engine Rotating Assembly, Street/Strip, Cast Crank, Hypereutectic Piston, I-Beam Rod, Internal Balance, Chevy, Small Block, Kit

Part Number: ESP-B13202E030

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

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Competition, Standard Weight Forged Rotating Assembly

Part Number: SCA-1-47736BI

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

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Engine Re-Ring, Cast, 3.75 in. Bore, Standard Rod, AMC, V8, Kit

Part Number: FEM-205117-00

Not Yet Reviewed

Estimated Ship Date: Monday 8/18/2025

• Free Shipping