ARP Rod Bolt Kits Multiple BMW Fitments (201 6102). Rod Bolt Kit by ARP ARP Pro Series connecting rod bolts are precision CNC machined to exacting specifications and designed for optimum reliability. They are heat treated and threads are rolled to provide up to ten times more fatigue strength. This makes them far superior to standard OEM fasteners in terms of durability, and fully capable of handling the extra stress of high combustion engines. Features Connecting Rod Manufacturer: Stock Cap Retention Style: Cap screw Rod Bolt Head Style: E Rod Bolt Nut Style: 12 point Fastener Tensile Strength (psi): 200,000 psi Connecting Rod Bolt Diameter: 10mm Connecting Rod Bolt Material: ARP2000 alloy Underhead Length (in.): 1. 772 in. Underhead Length (mm): 45. 00mm Nuts Included: No Benefits Precision CNC machined to exacting specifications Designed for optimum reliability They are heat treated and threads Fully capable of handling the extra stress of high combustion engines Please Note: Fits European specification engines only Applications 2001 2006 BMW 3 Series What's In The Box? 12 Bolts Warranty Manufacturers Standard Warranty