OptiTorque TorqueMaster Series Cylinder Head Stud Kit - 12 Point Nuts - Black Oxide - Mitsubishi 4G63 WIL160-16925 092" fillet radiuses for improved

092" fillet radiuses for improved strength

they have released a full catalog of parts available for late model Fords

Better throttle control

MSD answers the need for a strong

Terminator X ECU requires software version 1

OptiTorque TorqueMaster Series Cylinder Head Stud Kit - 12 Point Nuts - Black Oxide - Mitsubishi 4G63 WIL160-16925 092" fillet radiuses for improvedProduct Description: Cylinder Head Stud Kit TorqueMaster 12 Point Nuts Steel Black Oxide Mitsubishi 4G63 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.