ARP VW Water Cooled Main Stud Kit

This precision-engineered main stud kit upgrades the crankshaft bearing retention on water-cooled VW engines by replacing conventional main bolts with dedicated studs and nuts, providing more consistent clamp force and simplified assembly for engine builders and performance enthusiasts. Designed for direct fit installation on VW water-cooled platforms, the ARP kit improves repeatability during rebuilds and tear-downs while supporting reliable engine assembly and long-term durability under repeated torque cycles.