Manley 14078-1 H-Beam Connecting Rod BMW N54B30 5.709in

The Manley 14078-1 is a high-performance H-Beam connecting rod designed specifically for BMW N54B30 turbocharged engines. This individual connecting rod is manufactured from forged 4340 steel and features a 5.709-inch center-to-center length, making it an ideal replacement component or spare for high-horsepower builds.

Key Features:

• Manufactured from 4340 forged steel for superior strength and durability
• Heat treated, stress relieved, shot peened, and 100% individually magnafluxed
• 5.709-inch center-to-center length
• H-Beam design provides excellent strength-to-weight ratio
• Big end bore: 2.110 inches
• Pin end bore: 0.8671 inches (stock wrist pin diameter: 0.866 inches)
• Available with choice of ARP 8740 or ARP 2000 cap fasteners
• Finished to exacting tolerances matching Manley's Sportsmaster and Pro Series standards
• Average weight: 570 grams per rod

Manley H-Beam connecting rods are engineered to support over 800 flywheel horsepower in 6-cylinder applications, making them suitable for aggressive street performance and track use. Each rod is precision-manufactured with attention to critical details including final hone size, thread detail, bend, and twist specifications. This single rod is sold individually and is part of the 14078 series for BMW N54 engines found in 135i, 335i, and other N54-powered models.