Engine Rotating Assemblies & Rebuild Kits

Pro LS 4340 Rotating Assembly, 364 Cid., 4.000 bore, 3.622 stroke, 24X, 6.098 rod, 12cc dish, 9.6:1 @ 65cc, 9.2:1 @ 70cc, File-Fit Rings, H Bearings,

Part Number: SUM-R243600012

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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

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Estimated Ship Date: Tomorrow

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

Part Number: FEM-205-6505M000

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Estimated Ship Date: Tomorrow

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Pro LS Piston and Rod Kit, 365 Cid., 4.005 bore, 3.622 stroke, 6.125 rod, 2cc Flat Top, 10.8:1 @ 65cc, 10.2:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR36L0052

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Estimated Ship Date: Tomorrow

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

Part Number: FEM-205639M-000

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Engine Re-Ring, Moly, 4.040 in. Bore, .010 in. Rod, .010 in. Main, Ford, 351W, Kit

Part Number: FEM-205-625M411

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Estimated Ship Date: Tomorrow

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Engine Re-Ring, Cast, 3.875 in. Bore, Standard Rod, Standard Main, Chevy, 283, Kit

Part Number: FEM-205-1283M000

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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

Part Number: FEM-205217-00

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Estimated Ship Date: Tomorrow

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Engine Re-Ring, Cast Iron, 4 in. Bore, Standard Rod, Standard Main, Chevy, 350, Kit

Part Number: FEM-MK1037A-000

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Engine Re-Ring, Moly, 4.350 in. Bore, Standard Rod, Standard Main, 440, Dodge, Chrysler, Plymouth, Kit

Part Number: FEM-205632M-300

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Estimated Ship Date: Tomorrow

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Rebuild Kit, Complete Bottom End, Yamaha, YZ85, Kit

Part Number: HRI-CBK0076

Not Yet Reviewed

Estimated Ship Date: Sep 29, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Engine Re-Ring, Moly, 4.060 in. Bore, Standard Rod, Standard Main, Ford, Lincoln, Mercury, 302, Kit

Part Number: FEM-205-653M-600

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Estimated Ship Date: Tomorrow

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Pro LS Piston and Rod Kit, 325 Cid, 3.780 bore, Standard 3.622 stroke, 6.125 rod, 2cc dome, 10.9:1 @ 61cc, 10.3:1 @ 65cc, File-Fit Rings

Part Number: SUM-PR36L7802

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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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

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Estimated Ship Date: Tomorrow

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

Part Number: FEM-205717-00

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Estimated Ship Date: Tomorrow

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

Part Number: FEM-205-6310M000

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Engine Re-Ring, Cast, 4.360 in. Bore, Standard Rod, Standard Main, Ford, 460, Kit

Part Number: FEM-2051123M-000

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Engine Re-Ring, Moly, 4.000 in. Bore, Standard Rod, Standard Main, Ford, 5.0L, Kit

Part Number: FEM-2056254M-000

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

• Free Shipping

Pro LS 4340 Rotating Assembly, 410 Cid., 4.040 bore, 4.000 stroke, 24X, 6.125 rod, 8cc dish, 11.2:1 @ 65cc, 10.6:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R24400408

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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: Tomorrow

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 Re-Ring, Moly, 3.875 in. Bore, Standard Rod, Standard Main, Chevy, 307, Kit

Part Number: FEM-205620M-000

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Estimated Ship Date: Tomorrow

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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

• Oversize
• Restricted

Rebuild Kit, Complete Bottom End, for use on Honda®, CRF250R, Kit

Part Number: HRI-CBK0119

Not Yet Reviewed

Estimated Ship Date: Sep 29, 2025 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

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Estimated Ship Date: Tomorrow

• Free Shipping