1981 Engine Kits & Rotating Assemblies

BALANCED ROTATING ASSEMBLY

Part Number: ESP-B14140040

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Estimated Ship Date: Jan 26, 2026 if ordered today

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ROTATING ASSEMBLY

Part Number: ESP-16129030

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Estimated Ship Date: Jan 19, 2026 if ordered today

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

Part Number: ESP-13055030

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 21, 2026 if ordered today

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

Part Number: ESP-12011030

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Estimated Ship Date: Jan 21, 2026 if ordered today

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BALANCED PRO STREET ASSEMBLY CHEV 350

Part Number: ESP-B62305060

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Estimated Ship Date: Jan 22, 2026 if ordered today

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COMPETITION ASSEMBLY FORD 429 / 460 SCJ

Part Number: ESP-15122080

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Estimated Ship Date: Jan 22, 2026 if ordered today

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PRO STREET ASSEMBLY CHEV 350

Part Number: ESP-62013040

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Estimated Ship Date: Jan 22, 2026 if ordered today

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EAGLE ROTATING KIT

Part Number: ESP-16002060

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Estimated Ship Date: Jan 2, 2026 if ordered today

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Engine Rotating Assembly, Forged 4340 Crank, Forged Pistons, H-Beam Rods, Ford, 557 Big Block, Kit

Part Number: ESP-15013080

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

Part Number: ESP-16525060

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Estimated Ship Date: Jan 2, 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-B11011060

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Engine Rotating Assembly, Chrysler 360 CID Balanced, 40 Over, 3.580 stroke, Flat Top Pistons, 6.123 Rods, Each

Part Number: ESP-B20600040

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ROTATING ASSEMBLY

Part Number: SCA-1-42159

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Estimated Ship Date: Feb 9, 2026 if ordered today

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

Part Number: SCA-190350BE060

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Estimated Ship Date: Feb 12, 2026 if ordered today

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

Part Number: SCA-1-94356BI040

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Estimated Ship Date: Feb 12, 2026 if ordered today

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Engine Rotating Assembly, Cast Steel Crank, Forged Pistons, I-Beam Rods, Chrysler, Dodge, Plymouth, Kit

Part Number: SCA-1-98005BI

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Estimated Ship Date: Feb 12, 2026 if ordered today

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Street & Strip, Series 9000 Rotating Assembly

Part Number: SCA-1-94206BI

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Estimated Ship Date: Feb 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-11000030

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Estimated Ship Date: Jan 13, 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-18001030

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Estimated Ship Date: Jan 13, 2026 if ordered today

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ROTATING ASSEMBLY

Part Number: ESP-65010030

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Estimated Ship Date: Jan 13, 2026 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-B13055E060

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Estimated Ship Date: Jan 13, 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-B11013100

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Estimated Ship Date: Dec 29, 2025 if ordered today

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

Part Number: ESP-B18321030

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Estimated Ship Date: Jan 26, 2026 if ordered today

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ROTATING ASSEMBLY KIT-SBC 383 3.750/4.035

Part Number: MAN-290035R

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Estimated Ship Date: Jan 19, 2026 if ordered today

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ROTATING ASSEMBLY KIT-BBC 555 4.250/4.560 43cc D

Part Number: MAN-29555RHX

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Estimated Ship Date: Jan 19, 2026 if ordered today

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