OptiTorque Patriot Series Cylinder Head Stud Kit - 12 Point Nuts - Chromoly - Black Oxide - Small Block Ford w/ Edelbrock / Dart / OEM Heads 25322-B 4 x 1-5/8 in Primary

4 x 1-5/8 in Primary Tubes

1969-1986 Chevrolet El Camino

When you install a new clutch

2000-2002 Ford E-150 Econoline

The top center bolt hole has been deleted on most aftermarket valve covers and do not have any effect on sealing

OptiTorque Patriot Series Cylinder Head Stud Kit - 12 Point Nuts - Chromoly - Black Oxide - Small Block Ford w/ Edelbrock / Dart / OEM Heads 25322-B 4 x 1-5/8 in PrimaryProduct Description: Cylinder Head Stud Kit Patriot Series 12 Point Nuts Chromoly Black Oxide Small Block Ford Edelbrock Dart OEM Heads 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.