Pro Series ARP2000 Complete Connecting Rod Bolt Kit (201-6201) by ARP. For the most severe applications, in conjunction with aftermarket I-beam rods, ARP has developed the Pro Series Wave-Loc bolts. These ultra heavy-duty rod bolts are made from a special material designated ARP2000. It has approximately 200% the fatigue life of 8740 chrome moly steel and has a tensile strength of 220,000 psi, and is capable of more than 12,000 lbs. clamping force.

Fastener Style: Bolt
Finish: Natural
Material: ARP 2000
Quantity: Set of 12
Thread Size: M9
Underhead Length (mm) : 44mm

Features:
Forged in-house at ARP using only the finest quality materials
Heat-treated using special vertical racks to assure complete 360 penetration
Threads rolled after heat-treat to provide up to 10-times longer fatigue strength
Precision CNC-machined to exacting specifications
Specially designed for optimum reliability in each application

Kit Instructions

Fits Following Engines: BMW 2.8L (M52Euro), 3.0L (S50US) & 3.2L (S52US)