1974 Engine Kits & Rotating Assemblies

CHEVY 400 350 MAINS

Part Number: ESP-12603030

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

• Free Shipping
• Special Order

CHEVY 400 350 MAINS

Part Number: ESP-12603040

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

• Free Shipping
• Special Order

PRO STREET ASSEMBLY FORD 351C

Part Number: ESP-64701030

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

• Free Shipping
• Special Order

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

Part Number: ESP-11006030

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

• Free Shipping
• Special Order

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

Part Number: ESP-12500030

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

• Free Shipping
• Special Order

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

Part Number: ESP-12500040

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

• Free Shipping
• Special Order

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

Part Number: ESP-12501030

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

• Free Shipping
• Special Order

HEAVY DUTY ASSEMBLY CHEV 400, 350 MAINS

Part Number: ESP-35160000

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

• Free Shipping
• Special Order

ROTATING KIT 400 SBC CHEVY

Part Number: ESP-35160030

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

• Free Shipping
• Special Order

ROTATING ASSEMBLY

Part Number: ESP-35560000

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

• Free Shipping
• Special Order

HEAVY DUTY ASSEMBLY CHEV 400, 350 MAINS

Part Number: ESP-35560030

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

• Free Shipping
• Special Order

HEAVY DUTY ASSEMBLY CHEV 400, 350 MAINS

Part Number: ESP-35560040

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

• Free Shipping
• Special Order

HEAVY DUTY ASSEMBLY CHEV 400, 350 MAINS

Part Number: ESP-35570000

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

• Free Shipping
• Special Order

434 SMALL BLOCK KIT

Part Number: ESP-35570030

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

• Free Shipping
• Special Order

HEAVY DUTY ASSEMBLY CHEV 400, 350 MAINS

Part Number: ESP-35570040

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

• Free Shipping
• Special Order

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

Part Number: ESP-B18000060

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

• Free Shipping
• Special Order

Engine Rotating Assembly, Street/Strip, Cast Crank, Forged Pistons, I-Beam Rods, Ford, 429, 460, Kit

Part Number: ESP-15101080

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

• Free Shipping
• Special Order

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

Part Number: ESP-21200055

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

• Free Shipping
• Special Order

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

Part Number: ESP-14123030

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

• Free Shipping
• Special Order

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

Part Number: ESP-14123040

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

• Free Shipping
• Special Order

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

Part Number: ESP-B18022100

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

• Free Shipping
• Special Order

ROTATING ASSEMBLY

Part Number: ESP-11421060

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

• Free Shipping
• Special Order

COMPETITION ASSEMBLY CHEV 454

Part Number: ESP-11421070

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

• Free Shipping
• Special Order

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

Part Number: ESP-B11011100

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 16, 2026 if ordered today

• Free Shipping
• Special Order

BALANCED PRO STREET ASSEMBLY CHEV 350

Part Number: ESP-B62304000

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

• Free Shipping
• Special Order