Features Get better rocker shaft retention and eliminate thread wear with Edelbrock Rocker Arm Studs Used in all Edelbrock Cylinder Heads, also prevent bottoming-out the rocker shaft bolts Require 3/8¡± screw-in studs for safe and secure installation Edelbrock Rocker Arm Stud Sets are sold in pairs of 2 or sets of 16 Your Edelbrock Rocker Studs are backed by a 1-year warranty DescriptionWhen you need unbeatable strength for high-RPM roller cam applications, look no further than an Edelbrock Rocker Arm Stud Set. These durable studs prevent your rocker shaft bolts from bottoming-out and negate thread wear when out on the road. Sold in pairs or sets of 16. 1-year warranty. NotesATTN: State of California ConsumersWARNING: This product can expose you to Chome, which is known to the State of California to cause cancer and birth defects or other reproductive harm. (For more information go to www.p65warnings.ca.gov)Manufacturer InfoReturn Information