OptiTorque Custom Age Cylinder Head Stud Kit - 12 Point Nuts - Black Oxide - Toyota JZ-Series Weld-On Bung and Plug reused and reassembled with ease

reused and reassembled with ease

and polishing options create a variety of textures and contrasts to set your engine - and your car - apart from all the others

each tailored for engine displacement

Stealth Heatshield

Powertrax® proves that you don’t have to choose between the superior traction of a locking differential and smooth handling and drivability of an open differential

OptiTorque Custom Age Cylinder Head Stud Kit - 12 Point Nuts - Black Oxide - Toyota JZ-Series Weld-On Bung and Plug reused and reassembled with easeProduct Description: Cylinder Head Stud Kit Custom Age 12 Point Nuts Steel Black Oxide Toyota JZ Series OptiTorque produces premium quality fasteners for a wide range of automotive applications. From stock rebuilds to hard core racing builds, OptiTorque fasteners are USA made and designed, featuring premium materials and designed to meet or exceed OEM specs.