Manley 14078-6 H-Beam Connecting Rod Set 5.709in Length BMW N54B30

The Manley 14078-6 is a premium H-Beam connecting rod set engineered for high-performance BMW N54B30 turbocharged engines. This 6-piece set features a 5.709-inch center-to-center length and is designed to support over 800 flywheel horsepower, making it an ideal choice for forced induction builds and aggressive street/track applications.

Construction and Materials:

• Manufactured from forged 4340 steel alloy for exceptional strength and durability
• Heat treated, stress relieved, and shot peened to MIL specifications
• 100% individually magnafluxed to ensure structural integrity
• Weight matched to within +/- 1.5 grams per set for optimal balance

Precision Engineering:

• Finished to exacting tolerances matching Manley's Sportsmaster and Pro Series standards
• Wrist pin and big end bores honed to +/- 0.0002 inch tolerance
• Bronze alloy bushings in wrist pin bores
• Meticulous attention to final hone size, thread detail, bend, and twist specifications

Hardware Options:

• Standard configuration includes 3/8-inch ARP 2000 cap fasteners
• Optional ARP 8740 bolts available for specific applications

These H-Beam connecting rods offer an economical yet high-quality solution for enthusiasts building serious power in their BMW turbocharged applications. Each set delivers the precision manufacturing and reliability that Manley Performance has been known for since 1966.