Eagle Specialty Products B15405E060 Balanced Rotating Assembly Chevy Small Block 350 388ci 4.060 Bore 2-Piece RMS

The Eagle Specialty Products B15405E060 is a complete balanced street performance rotating assembly designed for Chevrolet small block 350 engines. This comprehensive kit builds a 388 cubic inch (6.4L) engine with a 4.060-inch bore and is configured for 2-piece rear main seal blocks.

Complete Assembly Includes:

• 3.750-inch stroke cast steel crankshaft with improved .092-inch fillet radiuses for enhanced strength
• 5.700-inch Eagle SIR (forged 5140 steel) I-beam connecting rods with 3/8-inch ARP 8740 capscrew bolts
• Keith Black hypereutectic claimer pistons, -5cc flat top design, 4.060-inch bore
• Plasma-moly standard gap piston rings
• King SI series rod and main bearings
• Pioneer harmonic damper and 168-tooth flexplate

This factory-balanced assembly offers excellent strength, reliability, and affordability for street performance applications up to 500 horsepower. The cast steel crankshaft provides durability exceeding OEM specifications, while the forged I-beam rods deliver dependable performance. Perfect for engine builders seeking a quality rotating assembly with matched components for small block Chevy builds.

WARNING: Some Products may contain chemicals such as DEHP, which can cause cancer, birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.