Brian Crower BC6321HD ProH625+ Connecting Rod for 2019-2025 BMW B58B30B

Vehicle Fitment

• 2019-2025 BMW B58B30B (3.0L I6 Turbo)

Features

• Made from aerospace-grade 4340 chromoly steel
• Micropolished surface finish for reduced friction
• Equipped with Aluminum/Silicone/Bronze pin bushings
• Finish honed to exacting tolerances
• Designed for high-boost and high-RPM applications
• Compatible with ARP Custom Age 625+ fasteners
• Sold individually
• Ideal for performance builds requiring robust internals

Specifications

• Center-to-center (C-to-C): 5.830" (148.2mm)
• Big end (BE) bore: 2.1102" (53.6mm)
• Big end (BE) width: 0.9402" (23.9mm)
• Pin end (PE) bore: 0.8661" (22mm)
• Pin end (PE) width: 0.8228" (20.9mm)
• Gram weight: 680g
• Torque specs: 65-70 ft-lbs (3/8")

Included Components

• 1x Brian Crower BC6321HD ProH625+ Connecting Rod
• 1x ARP Custom Age 625+ Fastener Kit

Product Description

The Brian Crower BC6321HD ProH625+ Connecting Rod is engineered for the 2019-2025 BMW B58B30B engine, offering exceptional strength and durability for high-performance applications. Crafted from aerospace-grade 4340 chromoly steel, each rod undergoes a micropolished surface finish treatment and is equipped with Aluminum/Silicone/Bronze pin bushings. These rods are finish honed to exacting tolerances, ensuring precise fitment and performance.

Designed to withstand the rigors of high-boost and high-RPM environments, the BC6321HD is compatible with ARP Custom Age 625+ fasteners, providing enhanced clamping force and reliability. Sold individually, this connecting rod is ideal for enthusiasts and professionals building performance engines that demand robust internal components.