Engine Rotating Assemblies & Rebuild Kits

Pro LS 4340 Rotating Assembly, 415 Cid., 4.065 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-R244006521

Not Yet Reviewed

Estimated Ship Date: Monday 10/26/2026 if shipped by air

Pro LS 4340 Rotating Assembly, 346 Cid., 3.898 bore, 3.622 stroke, 24X, 6.125 rod, 3cc dome, 11:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings, H Bearings

Part Number: SUM-R2436L8983

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

Pro LS 4340 Rotating Assembly, 370 Cid., 4.030 bore, 3.622 stroke, 24X, 6.125 rod, 12cc Dish, 9.7:1 @ 65cc, 9.3:1 @ 70cc, File-Fit rings, H Bearings

Part Number: SUM-R2436L03012

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

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

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

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

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

Engine Rebuild, Cast Flat, 3.736 in. Bore, Standard Rod, Standard Main, Chevy, 305, Kit

Part Number: FEM-EMKP1024C000

Not Yet Reviewed

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Engine Re-Ring, Moly, 4.030 in. Bore, Standard Rod, Standard Main, Ford, 351W, Kit

Part Number: FEM-MK625D-300

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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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: Monday 10/26/2026 if shipped by air

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Engine Re-Ring, Moly, 3.910 in. Bore, Standard Rod, Standard Main, Dodge, 318, Kit

Part Number: FEM-205717AM-000

Not Yet Reviewed

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Rebuild Kit, Complete Bottom End, for use on Honda®, Kit

Part Number: HRI-CBK0001

Not Yet Reviewed

Estimated Ship Date: Nov 9, 2026 if ordered today

• Drop Ship
• Free Shipping
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Engine Rotating Assembly, Series 9000, Cast Crank, Forged Pistons, I-Beam Rods, Ford, Small Block, Kit

Part Number: SCA-1-94165BE

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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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 10/26/2026 if shipped by air

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Engine Rebuild, Hypereutectic Dish, 4.030 in. Bore, .010 in. Rod, Standard Main, Chevy, 6.0 Kit

Part Number: FEM-BK6091-310

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

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

Part Number: FEM-205118M-000

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Engine Re-Ring, Moly, 4.390 in. Bore, Std. Rod, Standard Main, Ford, Lincoln, Mercury, 429/460, Kit

Part Number: FEM-205637M-300

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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

Part Number: SUM-RRKIT1-600

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

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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

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

Part Number: FEM-205-6505M000

Not Yet Reviewed

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Gasket Kit BOTTOM END KIT BOTTOM END KIT

Part Number: HRI-CBK0040

Not Yet Reviewed

Estimated Ship Date: Nov 9, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Engine Re-Ring, Moly, 4.320 in. Bore, Standard Rod, Standard Main, Dodge, 440, Kit

Part Number: FEM-205632AM-000

Not Yet Reviewed

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Engine Re-Ring, Moly, 4.030 in. Bore, .010 in. Rod, .010 in. Main, Ford, 351/400, Kit

Part Number: FEM-205624M-311

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Engine Re-Ring, Moly, 4.000 in. Bore, Standard Rod, Standard Main, Chevy, 4.3L, V6, Kit

Part Number: FEM-2056020M-000

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Engine Re-Ring, Moly, 4.030 in. Bore, Standard Rod, Standard Main, Ford, 5.0L, Kit

Part Number: FEM-205-6345M300

Not Yet Reviewed

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Engine Re-Ring, Cast, 4 in. Bore, .010 in. Rod, .010 in. Mains, Ford, 302, Kit

Part Number: FEM-2056002M-011

Not Yet Reviewed

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Pro LS 4340 Piston and Rod Kit, 347 Cid., 3.903 bore, 3.622 stroke, 6.098 rod, 3cc dome, 11:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings

Part Number: SUM-PR369033

Not Yet Reviewed

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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