OptiTorque TorqueMaster Series Cylinder Head Stud Kit - 12 Point Nuts - Chromoly - GM LS-Series 10413 10301 1/8" NPT Female to -3AN

1/8" NPT Female to -3AN Male Use to connect #3 (-3AN) braided stainless steel line to AutoMeter Mechanical gauges and Electric Pressure gauge senders

(2) Nut-Ring Flanges & Gaskets

the brand launched in 1971 the very first 100% synthetic multigrade lubricant

Ultimate Rebel

OptiTorque TorqueMaster Series Cylinder Head Stud Kit - 12 Point Nuts - Chromoly - GM LS-Series 10413 10301 1/8" NPT Female to -3ANProduct Description: Cylinder Head Stud Kit TorqueMaster Series 12 Point Nuts Chromoly Black Oxide GM LS 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.