ARP Pro-Series Rocker Arm Stud - SB Chevy w/ Roller Rockers and Stud Girdles - 1.900 Effective Length 24-CHL-N-4 Many of their parts are

Many of their parts are made from lightweight aluminum

Requires 9 inches between tire and frame

A clear sight window allows for filter inspection without removal of the airbox

Weight and Shell Size are key to protecting up and coming young racers

Works with 12- and 16-volt systems

ARP Pro-Series Rocker Arm Stud - SB Chevy w/ Roller Rockers and Stud Girdles - 1.900 Effective Length 24-CHL-N-4 Many of their parts areStuds offer improved reliability with longer thread engagement in the cylinder head and an extra large radius for reduced flex. Pro Series bolts are rated at 190, 000 psi tensile strength. ARPs product line contains thousands of part numbers, and has expanded to include virtually every fastener found in an engine and driveline. These range from quality high performance OEM replacement parts to exotic specialty hardware for Formula 1, IndyCar, IMSA,