OptiTorque Rocker Arm Stud - 7/16-14 in Base Thread - 3/8-24 in Top Thread - 1.750 in Effective Stud Length - Black Oxide - Small Block Chevy (Set of 16) 601-22S-WR Efficiency equals horsepower

Efficiency equals horsepower

You can simply dial in 1 degrees-15 degrees with the rotary dial for quick adjustments

This flow control valve will correctly reduce flow to the OEM spec of 2GPM

creating more power

1964-1990 Buick Skylark

OptiTorque Rocker Arm Stud - 7/16-14 in Base Thread - 3/8-24 in Top Thread - 1.750 in Effective Stud Length - Black Oxide - Small Block Chevy (Set of 16) 601-22S-WR Efficiency equals horsepowerProduct Description: Rocker Arm Stud 7 16 14 in Base Thread 3 8 24 in Top Thread 1. 750 in Effective Stud Length Steel Black Oxide Small Block Chevy Set of 16 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.