Engine Rotating Assemblies & Rebuild Kits

Engine Rebuild, Cast Dish, 4 in. Bore, Standard Rod, Standard Main, Ford, 351W, Kit

Part Number: FEM-MKP261A-000

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Pro LS Piston and Rod Kit, 330 Cid., 3.810 bore, Standard 3.622 stroke, 6.125 rod, 2cc dome, 11:1 @ 61cc, 10.4:1 @ 65cc, File-Fit Rings

Part Number: SUM-PR36L8102

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Pro LS 4340 Piston and Rod Kit, 377 Cid., 4.070 bore, 3.622 stroke, 6.125 rod, 2cc dome, 11.6:1 @ 65cc, 10.9:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR36L0702

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

Part Number: CLW-41001-K01

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Estimated Ship Date: Dec 1, 2025 if ordered today

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

Part Number: ESP-B13005L03053

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Nov 10, 2025 if ordered today

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

Part Number: FEM-MK761A-000

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

Part Number: ESP-16526030

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Estimated Ship Date: Nov 10, 2025 if ordered today

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Engine Rotating Assembly, Street/Strip, Cast Crank, Hypereutectic Pistons, I-Beam Rods, Ford, Cleveland, Kit

Part Number: ESP-16800030

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Estimated Ship Date: Nov 10, 2025 if ordered today

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

Part Number: FEM-MKP1024C-000

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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, 3.800 in. Bore, Standard Rod, Standard Main, Oldsmobile, 307, Kit

Part Number: FEM-2056148M-000

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

Part Number: ESP-B15455E000

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Estimated Ship Date: Dec 10, 2025 if ordered today

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Engine Rotating Assembly, Forged 4340 Crank, Forged Pistons, H-Beam Rods, Ford, Big Block FE, Kit

Part Number: SCA-1-47735BI

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Estimated Ship Date: Jan 12, 2026 if ordered today

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

Part Number: ESP-B11013060

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Estimated Ship Date: Dec 10, 2025 if ordered today

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

Part Number: SCA-1-48063BI

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Estimated Ship Date: Jan 12, 2026 if ordered today

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

Part Number: ESP-B21201055

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Estimated Ship Date: Dec 9, 2025 if ordered today

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Competition assembly, 522 CID, -30.4cc Icon

Part Number: ESP-22211040

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Estimated Ship Date: Nov 24, 2025 if ordered today

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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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Engine Re-Ring, 4.040 in. Bore, .010 in. Rod, .010 in. Main, Chevy, Kit

Part Number: SUM-RRKIT1-411

2.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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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: Today

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

Part Number: ESP-B12012060

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Estimated Ship Date: Nov 10, 2025 if ordered today

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Engine Rotating Assembly, Forged Crank, Forged Pistons, I-Beam Rods, Mopar, Small Block, Kit

Part Number: SCA-1-48035BI

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 14, 2026 if ordered today

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ROTATING ASSEMBLY

Part Number: ESP-233004090

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Estimated Ship Date: Nov 10, 2025 if ordered today

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Pro LS 4340 Rotating Assembly, 360 Cid., 3.785 bore, 4.000 stroke, 58x, 6.125 rod, 5cc dish, 10.9:1 @ 61cc, 10.4:1 @ 65cc, File-Fit Rings, H Bearings

Part Number: SUM-R58407855

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Estimated Ship Date: Dec 8, 2025 if ordered today

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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

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Estimated Ship Date: Today