M177 ARP Head Studs 2017-bmw-650i-f12

M177 ARP Head Studs 2017-bmw-650i-f12Designed as a direct replacement for factory M177 head bolts, our ARP Head Studs are one of the most popular upgrades for your high boost M177 Engine. These ARP studs are made of 625 grade Inconel and are equipped to handle extreme cylinder pressures. These studs have proper thread length for your M177 engine. Don't purchase the wrong hardware. Trust the engineers at PTG to get you setup right! Kit Includes: Twenty ARP 625 Grade Inconel Head Studs

Comprehensive Instructions to Install on Any Forced Induction Vehicle

This option allows you to receive a rebuilt/upgraded stock bucket with a new Walbro 450 or 525 pump to swap out your stock LPFP assembly

-SPEC ONLY

Increased pipe diameter to 2

these leaks will cause boost leaks which cause your S55's turbochargers to work harder to hit and maintain target boost pressure

These fit the C300

This shaft seal mounts on the engine block upper and lower halves and is located on side away from the transmission

Note: We make oil catch cans for N55

Heat shield effectively blocks hot engine air

Fits both C63/C63S and Sport C Class applications (C300

Electrical terminal type: Non removable nut

please look at your vehicle or send us the VIN to confirm which product you need*