High performance 4340 Chromoly steel rocker arm stud for Chevrolet big block (aluminum exhaust only) applications; Stud Length: 3.65 in.; Top Threads: 7/16 X 20 X 2.01; Bottom Threads: 7/16 X 14 X 1.65; Quantity: 1
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.