OptiTorque TorqueMaster Series Cylinder Head Stud Kit - 12 Point Nuts - Chromoly - Nissan 4-Cylinder 3935C Dual zipper enclosure

Dual zipper enclosure

This sweeping effect keeps the debris from getting trapped between the piston skirt and the cylinder wall

Adjustable by pass pressure using optional spring

Rectangular port

OptiTorque TorqueMaster Series Cylinder Head Stud Kit - 12 Point Nuts - Chromoly - Nissan 4-Cylinder 3935C Dual zipper enclosureProduct Description: Cylinder Head Stud Kit TorqueMaster 12 Point Nuts Chromoly Black Oxide Nissan 4 Cylinder 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.