• Aerospace - grade 4340 chromoly steel for unbeatable reliability • CNC machined and micropolished for top - notch performance • Equipped with Aluminum/Silicone/Bronze pin bushings and exact tolerances The BC high - performance connecting rods for the BMW N54 Series, featuring ProH2K with ARP2000 Fasteners, are a game - changer. Made from aerospace - grade 4340 chromoly steel, they offer the reliability you need to increase boost, use nitrous, and expand the RPM range. Each rod is precision - crafted with CNC machining and micropolished surface finish. Aluminum/Silicone/Bronze pin bushings are installed, and the rods are finish - honed to exacting tolerances. Technical Details: - C - to - C: 5.709' - BE Bore: 2.111' - BE Width: 0.822' - PE Bore: 0.8661' - PE Width: 0.822' - Gram Wt: 540 - Torque Specs: 45 ft lbs - 3/8'

These BC ProH2K connecting rods are perfect for BMW N54 Series enthusiasts who want to enhance their engine's performance. Whether you're into high - speed racing or just looking to give your daily driver a power boost, these rods are your go - to solution. They're made from high - quality steel, so they can handle increased boost and RPMs. With a length of 5.709' (C - to - C) and weighing 540 grams, they fit well in the engine and offer great stability. Ideal for car modifiers and performance - oriented drivers.