1973 Engine Kits & Rotating Assemblies

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

Part Number: MAN-38615HX

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Estimated Ship Date: Apr 27, 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: Apr 27, 2026 if ordered today

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BALANCED H. D. ASSY CHEV 400, 350 MAINS

Part Number: ESP-B35540000

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Estimated Ship Date: May 5, 2026 if ordered today

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Engine Rotating Assembly, Street/Strip, Cast Crank, Hypereutectic Piston, H-Beam Rod, Pontiac, Big Block, 455, Kit

Part Number: ESP-514064195

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Estimated Ship Date: May 5, 2026 if ordered today

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Engine Rotating Assembly, Competition, Forged 4340 Crank, Forged Pistons, H-Beam Rods, Pontiac, Big Block, 400, Kit

Part Number: ESP-515014185

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Estimated Ship Date: May 5, 2026 if ordered today

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Engine Rotating Assembly, Competition, Forged 4340 Crank, Forged Pistons, H-Beam Rods, Pontiac, Big Block, 455, Kit

Part Number: ESP-515024185

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Estimated Ship Date: May 5, 2026 if ordered today

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Engine Rotating Assembly, Competition, Forged 4340 Crank, Forged Pistons, H-Beam Rods, Pontiac, Big Block, 455, Kit

Part Number: ESP-515044185

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Estimated Ship Date: May 5, 2026 if ordered today

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COMPETITION ASSEMBLY PONTIAC 400

Part Number: ESP-515144150

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Estimated Ship Date: May 5, 2026 if ordered today

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Engine Rotating Assembly, Street/Strip, Cast Crank, Forged Piston, I-Beam Rod, Pontiac, Big Block, 400, Kit

Part Number: ESP-524104185

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Estimated Ship Date: May 5, 2026 if ordered today

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Engine Rotating Assembly, Competition, Forged 4340 Crank, Forged Pistons, I-Beam Rods, Pontiac, Big Block, 400, Kit

Part Number: ESP-524014155

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Estimated Ship Date: May 5, 2026 if ordered today

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Engine Rotating Assembly, Pro Street, Forged 4340 Crank, Forged Pistons, I-Beam Rods, Pontiac, Big Block, 455, Kit

Part Number: ESP-615044185

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Estimated Ship Date: May 5, 2026 if ordered today

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STREET & STRIP ASSEMBLY OLDS 455

Part Number: ESP-42101030

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Estimated Ship Date: May 5, 2026 if ordered today

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STREET & STRIP ASSEMBLY OLDS 455

Part Number: ESP-42101040

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Estimated Ship Date: May 5, 2026 if ordered today

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BALANCED KIT

Part Number: ESP-B42100030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 5, 2026 if ordered today

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BALANCED STREET & STRIP ASSY OLDS 455

Part Number: ESP-B42101030

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Estimated Ship Date: May 5, 2026 if ordered today

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BALANCED STREET & STRIP ASSY OLDS 455

Part Number: ESP-B42101060

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Estimated Ship Date: May 5, 2026 if ordered today

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ROTATING ASSEMBLY

Part Number: ESP-B42105060

2.0 out of 5 stars ( 1 )

Estimated Ship Date: May 5, 2026 if ordered today

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BALANCED STREET & STRIP ASSEMBLY OLDS 45

Part Number: ESP-B42103031

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Estimated Ship Date: May 5, 2026 if ordered today

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STREET & STRIP ASSEMBLY OLDS 455

Part Number: ESP-42107040

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Estimated Ship Date: May 5, 2026 if ordered today

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Rotating Assembly 432 PONTIAC

Part Number: SCA-1-41660BI

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Estimated Ship Date: May 20, 2026 if ordered today

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Rotating Assembly 440 PONTIAC

Part Number: SCA-1-41661BI

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Estimated Ship Date: May 20, 2026 if ordered today

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ROTATING ASSEMBLY

Part Number: SCA-1-41680BI

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Estimated Ship Date: May 20, 2026 if ordered today

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ROTATING ASSEMBLY

Part Number: SCA-1-41681

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Estimated Ship Date: May 20, 2026 if ordered today

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ROTATING ASSEMBLY

Part Number: SCA-1-41681BI

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Estimated Ship Date: May 20, 2026 if ordered today

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Rotating Assembly 432 PONTIAC

Part Number: SCA-1-41670BI

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Estimated Ship Date: May 20, 2026 if ordered today

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