1981 Engine Kits & Rotating Assemblies

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

Part Number: ESP-11012070

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Estimated Ship Date: Monday 12/22/2025

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

Part Number: ESP-13101060

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Estimated Ship Date: Monday 12/22/2025

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BALANCED PRO STREET ASSEMBLY CHEV 427

Part Number: ESP-B68211060

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Estimated Ship Date: Monday 12/22/2025

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KIT-BBC 615 4.625/4.600 -3cc F

Part Number: MAN-38615

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Estimated Ship Date: Feb 2, 2026 if ordered today

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ROTATING ASSEMBLY KIT-BBC 615 4.625/4.600 -3cc F

Part Number: MAN-38615H

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Estimated Ship Date: Feb 2, 2026 if ordered today

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ROTATING ASSEMBLY KIT-BBC 615 4.625/4.600 -3cc F

Part Number: MAN-38615HX

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Estimated Ship Date: Feb 2, 2026 if ordered today

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ROTATING ASSEMBLY KIT-BBC 615 4.625/4.600 -3cc F

Part Number: MAN-38615R

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Estimated Ship Date: Feb 2, 2026 if ordered today

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ROTATING ASSEMBLY KIT-BBC 615 4.625/4.600 -3cc F

Part Number: MAN-38615RH

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Estimated Ship Date: Feb 2, 2026 if ordered today

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ROTATING ASSEMBLY KIT-BBC 615 4.625/4.600 -3cc F

Part Number: MAN-38615RHX

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Estimated Ship Date: Feb 2, 2026 if ordered today

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KIT-BBC 615 4.625/4.600 43cc DOME

Part Number: MAN-39615

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Estimated Ship Date: Feb 2, 2026 if ordered today

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ROTATING ASSEMBLY KIT-BBC 615 4.625/4.600 43cc D

Part Number: MAN-39615H

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Estimated Ship Date: Feb 2, 2026 if ordered today

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ROTATING ASSEMBLY KIT-BBC 615 4.625/4.600 43cc D

Part Number: MAN-39615HX

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Estimated Ship Date: Feb 2, 2026 if ordered today

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ROTATING ASSEMBLY KIT-BBC 615 4.625/4.600 43cc D

Part Number: MAN-39615R

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Estimated Ship Date: Feb 2, 2026 if ordered today

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ROTATING ASSEMBLY KIT-BBC 615 4.625/4.600 43cc D

Part Number: MAN-39615RH

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Estimated Ship Date: Feb 2, 2026 if ordered today

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ROTATING ASSEMBLY KIT-BBC 615 4.625/4.600 43cc D

Part Number: MAN-39615RHX

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Estimated Ship Date: Feb 2, 2026 if ordered today

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KIT-BBC 516 4.000/4.530 2cc DO

Part Number: MAN-29516

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Estimated Ship Date: Feb 2, 2026 if ordered today

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ROTATING ASSEMBLY KIT-BBC 516 4.000/4.530 2cc DO

Part Number: MAN-29516H

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Estimated Ship Date: Feb 2, 2026 if ordered today

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ROTATING ASSEMBLY KIT-BBC 516 4.000/4.530 2cc DO

Part Number: MAN-29516HX

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Estimated Ship Date: Feb 2, 2026 if ordered today

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ROTATING ASSEMBLY KIT-BBC 598 4.500/4.600 43cc D

Part Number: MAN-29598RH

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 19, 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-16004030

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Estimated Ship Date: Jan 12, 2026 if ordered today

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BALANCED STREET & STRIP ASSY FORD 351W

Part Number: ESP-B1612403064

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Estimated Ship Date: Jan 12, 2026 if ordered today

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ROTATING ASSEMBLY KIT-SBC 355 3.480/4.030

Part Number: MAN-290730RH

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Estimated Ship Date: Jan 19, 2026 if ordered today

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ROTATING ASSEMBLY KIT-SBC 355 3.480/4.035

Part Number: MAN-290735H

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Estimated Ship Date: Jan 19, 2026 if ordered today

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ROTATING ASSEMBLY KIT-BBC 598 4.500/4.600 43cc D

Part Number: MAN-29598X

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Estimated Ship Date: Jan 19, 2026 if ordered today

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ROTATING ASSEMBLY KIT-BBC 632 4.750/4.600 43cc D

Part Number: MAN-29632H

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Estimated Ship Date: Jan 19, 2026 if ordered today

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