Toyota GT86 M10 x 1.25 Inconel Stud - Manifold to Head

 Install as an upgrade to OEM elastomer style harmonic balancer, when horsepower is gained, or when rotating assembly parts change to reduce wear on critical internal engine components.  Features high quality, long lasting viscous silicone damper technology with precision CNC machined and computer balanced high-grade steel components.  No tuning or maintenance required.  SFI 18.1 approved, race proven for over 25 years.  Made in the USA.

Features 5/16-18 UNC-2B on 2.75 center pre-drilled bolt pattern for aftermarket accessory drives