ARP Subaru EJ Series DOHC Custom Age Head Stud Kit YMM_2020_2024_BMW_5_Series_VII_G30_G31_G38_LCI Constructed from premium grade 8740

Constructed from premium grade 8740 alloy

Surface mount design for flexible installation options

Secure locking mechanism to prevent accidental detachment during driving

Installing the Torque Solution billet shift knob is straightforward and requires no special tools

065-inch wall thickness

ARP Subaru EJ Series DOHC Custom Age Head Stud Kit YMM_2020_2024_BMW_5_Series_VII_G30_G31_G38_LCI Constructed from premium grade 8740The ARP Custom Age 625+ Head Stud Kit is a high performance fastener set designed specifically for Subaru WRX and WRX STI models equipped with EJ20 and EJ25 engines. Crafted from advanced super alloy materials, these head studs deliver exceptional strength and durability, making them ideal for high horsepower builds and demanding applications. The kit ensures optimal clamping force and engine reliability under extreme conditions, supporting