Engine Kits & Rotating Assemblies

Pro LS 4340 Piston and Rod Kit, 417 Cid., 4.080 bore, 4.000 stroke, 6.125 rod, 21cc dish, 9.9:1 @ 65cc, 9.5:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR4008021

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Estimated Ship Date: Tomorrow if ordered today

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

Part Number: ESP-13051030

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Estimated Ship Date: Jan 30, 2026 if ordered today

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

Part Number: ESP-B13055L03068

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 30, 2026 if ordered today

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

Part Number: ESP-B16003EA040

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Estimated Ship Date: Jan 30, 2026 if ordered today

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VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR00046

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Estimated Ship Date: Jan 15, 2026 if ordered today

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

Part Number: ESP-18004030

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Estimated Ship Date: Jan 30, 2026 if ordered today

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

Part Number: ESP-18022L100

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Estimated Ship Date: Jan 30, 2026 if ordered today

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

Part Number: ESP-B13056E040

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Estimated Ship Date: Jan 30, 2026 if ordered today

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BALANCED ROTATING ASSEMBLY

Part Number: ESP-B13056L03053

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Estimated Ship Date: Jan 30, 2026 if ordered today

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ROTATING ASSEMBLY

Part Number: ESP-B13057L04053

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Estimated Ship Date: Jan 30, 2026 if ordered today

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ROTATING ASSEMBLY

Part Number: ESP-B13057L04068

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Estimated Ship Date: Jan 30, 2026 if ordered today

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Rotating Assembly, Flat-Top Pistons, Plasmamoly Rings, Cast Crank, I-Beam Rods, Rod/Main Bearings, Ford, Kit

Part Number: ESP-16031030

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Estimated Ship Date: Jan 30, 2026 if ordered today

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ROTATING ASSEMBLY

Part Number: ESP-129364070

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Estimated Ship Date: Jan 30, 2026 if ordered today

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