Eagle B15405E030 Small Block Chevy Stroker Rotating Assembly Bore - 383 4.030

The Eagle B15405E030 is a complete balanced street and strip rotating assembly designed to transform your small block Chevy into a powerful 383 cubic inch stroker engine. This internally balanced kit is engineered for naturally aspirated street applications running pump gas, delivering reliable performance for daily drivers and weekend warriors alike.

Complete Assembly Includes:

• 3.750-inch cast iron crankshaft
• 5.700-inch I-beam connecting rods with 3/8-inch ARP 8740 rod bolts
• Hypereutectic Keith Black (KB) Claimer flat-top pistons with -5cc dish, sized at 4.030-inch bore
• Plasma-moly piston rings with standard gap
• King SI series rod and main bearings
• Pioneer harmonic balancer
• 168-tooth flexplate

Key Specifications:

• Displacement: 383 cubic inches
• Bore: 4.030 inches (0.030-inch overbore)
• Stroke: 3.750 inches
• Rod Length: 5.700 inches
• Compression Height: Optimized for small block Chevy 350 with 2-piece rear main seal

This assembly arrives professionally balanced and ready for installation. The combination of quality components including ARP fasteners, King bearings, and KB pistons ensures durability and performance for engines producing up to 500 horsepower. Perfect for street performance builds seeking increased displacement and torque without sacrificing reliability.