OptiTorque TorqueMaster Series Cylinder Head Stud Kit - 12 Point Nuts - Chromoly - GM LS-Series 10575 29103B Crower products are used in

Crower products are used in everything from NASCAR to NHRA Top Fuel

1960-1965 Chevrolet P30 Series

Intermediate Air Bleed: 71

Air bleeds are contained in a plastic case that is designed to keep them separated and make them easily accessible

6 GPM Billet Hex Drive Mechanical Fuel Pump

OptiTorque TorqueMaster Series Cylinder Head Stud Kit - 12 Point Nuts - Chromoly - GM LS-Series 10575 29103B Crower products are used inProduct 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.