Eagle B15404E030 SBC 383 Stroker Balanced Rotating Assembly Kit 4.030 Bore 3.750 Stroke

The Eagle B15404E030 is a complete balanced rotating assembly kit designed for small block Chevy 383 stroker engine builds. This high-performance kit provides all the essential internal components needed to build a reliable 383 cubic inch engine with a .030 oversize bore.

Kit Specifications:

• Bore Size: 4.030 inches (.030 oversize)
• Stroke Length: 3.750 inches
• Connecting Rod Length: 5.700 inches (I-beam design)
• Displacement: 383 cubic inches
• Engine Application: Small Block Chevy (SBC)
• Assembly Type: Internally balanced

What's Included:

• Forged crankshaft with 3.750-inch stroke
• 5.700-inch I-beam connecting rods
• Forged pistons sized for 4.030-inch bore
• Piston rings
• Wrist pins and locks
• Rod bearings
• Main bearings

This complete rotating assembly is professionally balanced as a complete unit, ensuring smooth operation and reducing vibration. Eagle's forged components provide excellent strength and durability for street performance and moderate competition applications. The kit eliminates the need to source individual components separately and provides the peace of mind that all parts are matched and balanced together.