Each set includes ARP connecting rod bolts

Whether you're building a track machine or a high-horsepower street car

and throttle response

For street car owners

this BMW S14 2

BMW M50 M52 S50 S52 Oil Pump Upgrade Kit VI Each set includes ARP connectingThe BMW M50 M52 S50 and S52 engines are notorious for their well documented problems stemming from harmonics. The vibration leads to the oil pump shaft becoming weak, causing it to either break or the oil pump nut to loosen and fall off, resulting in an immediate loss of oil pressure. Worry no more! 5150 has the solution! At the core of this kit is a hardened Chromoly shaft, meticulously centerless ground to guarantee absolute precision. This shaft is