Eagle 34053125 Heavy Duty Rotating Assembly 363 CID Ford 289/302 8-Cylinder Stroker Kit

The Eagle 34053125 is a Heavy Duty rotating assembly engineered for Ford 289 and 302 small block 8-cylinder engines, delivering a stroked displacement of 363 cubic inches via a 3.400" stroke forged crankshaft. Built with premium competition-grade components, this kit is designed to withstand the demands of extreme performance applications including heavy nitrous, high boost, and exotic fuel use.

At the heart of this assembly is a forged 4340 steel crankshaft paired with 5.400" H-Beam connecting rods secured by 7/16" ARP 2000 fasteners — one of the strongest rod bolt options available. Pistons are forged 2618 aluminum JE -5cc flat top units sized at 4.125" bore, paired with plasma-moly file-fit rings for precise ring seal. King XP rod and main bearings complete the bottom end package.

Key Features:

• Forged 4340 steel crankshaft — 3.400" stroke for 363 CID displacement
• 5.400" H-Beam connecting rods with 7/16" ARP 2000 bolts
• Forged 2618 JE pistons — -5cc flat top, 4.125" bore, heavy duty spec
• Plasma-moly file-fit piston rings for precise fitment and seal
• King XP rod and main bearings for superior load capacity
• Designed for Ford 289 / 302 small block V8 engines
• Unbalanced assembly — must be balanced by a qualified machine shop before use

This is an unbalanced assembly. Balancing by a qualified machine shop is required prior to installation. Eagle Specialty Products test-fits all rotating assemblies in-house to ensure component compatibility before shipment.