LSA, ISOLATOR COUPLING, SOLID 2.3T there's not a better stud

there's not a better stud setup on the market today

the option is there for not only ARP Head Bolts** but also ARP Head Studs

**Vehicles (VF2) with the "sound enhancer" fitted will need the sound enhancer deleted totally

and blended motor oils

Compact dimensions (shown in inches)

LSA, ISOLATOR COUPLING, SOLID 2.3T there's not a better studThis is a direct factory replacement for the original spring loaded coupler (also called an Isolator) in your 2009 2015 LS9 or LSA Engine. This part is made by EATON, and is a recommended upgrade over the spring loaded coupler originally used in the LSA supercharger. The supercharger coupler mates the front drive cover (also called the nose drive) to the gears that spin the supercharger rotors. It isolates the gears and rotors from vibrations and