Hardened push rods will add slight hp but even more, they will add durability for your viper engine, replace the weak oem push rods today before you have a failure. these push rods are sold in sets of 20. they are 3/8 hardened push  rods with a 5/16 tip. You will need to know the size push rod you need, so a push rod checker is suggest to purchase also. Most of the time oem length in a gen III  is 7.6, but it is highly suggested to purchase a push rod length checker  and check your length to be double sure! IF YOUR LENGTH OPTION IS NOT LISTED , CHOOSE CUSTOM LENGHT AND IN THE MESSAGE BOX LET US KNOW THE LENGTH YOU NEED PLEASE. PLEASE ALLOW A WEEK FOR DELIVERY , LONGER IF CUSTOM.