Eagle Specialty Products B15454E030 Street Performance Rotating Assembly Chevy 383 Stroker Kit 4.030 Bore

The Eagle Specialty Products B15454E030 is a complete balanced street performance rotating assembly designed to transform a Chevrolet 350 small block into a high-performance 383 cubic inch stroker engine. This comprehensive kit is engineered for pump gas, naturally aspirated street vehicles producing up to 500 horsepower, offering an excellent balance of strength, reliability, and affordability.

Complete Kit Includes:

• 3.750-inch stroke cast steel crankshaft with 2.100-inch rod journals
• 5.700-inch I-beam connecting rods forged from 5140 steel
• 3/8-inch ARP 8740 connecting rod bolts for superior strength
• 4.030-inch bore hypereutectic Keith Black Claimer pistons with -12cc inverted dome design
• Plasma-moly standard gap piston rings
• King SI connecting rod and main bearings

Key Features:

• Factory balanced assembly ready to install—no additional balancing required
• Manufactured using certified steel with multi-stage heat treating
• Quality controlled through sonic testing, magna-fluxing, and x-ray inspection
• Designed for 2-piece rear main seal blocks
• Internally balanced configuration

Important Installation Note: When using a stock Chevrolet small block, all Eagle 383 stroker assemblies require minor block clearancing. Flexplate and harmonic balancer are not included and must be purchased separately.

Eagle Specialty Products designs and manufactures their connecting rods and crankshafts to exact specifications, ensuring consistent quality and performance. This assembly is ideal for street performance builds, muscle car restorations, and enthusiasts seeking increased displacement and torque without compromising reliability.