Premium Forged 4340 Steel Rods for BMW M70 & M70B50 Engines
High-performance forged 4340 steel for extreme durability and fatigue resistance. Precision CNC-machined to OEM specifications for perfect fitment in BMW E31 850i and E32 750i engines. Ideal for racing, engine rebuilds, or high-power upgrades. Heat-treated for superior strength under heavy loads. Balanced design reduces vibration and enhances engine smoothness. Direct replacement for stock rods with no modifications required. Trusted by professional builders for track and street applications. Bulk pricing available for workshops and resellers. Ships globally with wholesale-friendly logistics.