ARP Pro-Series Rocker Arm Stud - SB Chevy w/ Roller Rockers and Stud Girdles - 1.900 Effective Length 200430107 proprietary stainless steel shutoff valve

proprietary stainless steel shutoff valve design

Cuffs are adjustable from 10" to 15"Â

finished look

Zamp Z-20 Series helmet shield with visor and sunstrip

ARP Pro-Series Rocker Arm Stud - SB Chevy w/ Roller Rockers and Stud Girdles - 1.900 Effective Length 200430107 proprietary stainless steel shutoff valveStuds 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,