BoostLine 5.834in Connecting Rod for BMW B58, ARP 625+ - BM5834-866S+

BoostLine BM5834-866S+ is a single connecting rod for BMW B58 applications. Manufacturer data specifies a 5.834 in center-to-center length, 22 mm wrist pin diameter, 50.00 mm crank journal diameter. This configuration uses ARP 625+ rod bolts in a 3/8 x 1.600 size. BoostLine standard-series rods use forged 4340 steel and the brand’s patented three-pocket design for demanding performance engine combinations. Listed weight with bolts is 653 g.

Key Features & Specs:

• Brand: BoostLine
• Series: BoostLine
• Product Type: Connecting Rod
• Engine Application: BMW B58
• Quantity: 1
• Material: Forged 4340 steel
• Center-to-Center Length: 5.834 in
• Wrist Pin Diameter: 22 mm
• Crank Journal Diameter: 50.00 mm
• Big End Bore: 2.11063 in
• Big End Width: 23.90 mm
• Small End Width: 21 mm
• Rod Bolt Material: ARP 625+
• Rod Bolt Size: 3/8 x 1.600
• Rod Bolt Part Number: BT61601-625
• Weight With Bolts: 653 g
• Manufacturer Part Number: BM5834-866S+
• UPC: 193564265852

Fitment:

• BMW B58 engine applications

Series Description: BoostLine connecting rods are forged from 4340 steel and use the brand’s patented three-pocket beam design, developed to support high cylinder-pressure performance applications while controlling rotating mass. The standard BoostLine series is positioned for demanding forced-induction, nitrous, street-performance, and racing combinations. Application-specific ARP fasteners and dimensional CMM inspection are part of the product program; exact dimensions and bolt grade vary by part number.