High performance 4340 Chromoly steel rocker arm studs for Chevrolet big block applications; Stud Length: 2.575 in.; Top Threads: 7/16 X 20 X 2.01; Bottom Threads: 7/16 X 14 X 0.75; Quantity: 16
The Racer's Company. Since the 1960s, Lunati has manufactured engine components of the highest quality using cutting-edge technology. Every single product we sell undergoes extensive testing and analysis to ensure the end result is a superior product that can withstand demanding race conditions.