Machined Aluminum upper link kit for the Kraken Vekta .5 These are Proudly made in house , in the USA CNC Machined 6061-T6 Aluminum Center Links The Threads for the rod ends are Roll Form Tapped, NOT straight cut tapped . This increases the strength of the threads . The Rod Ends are Machined 4130 Chromoly Steel , with Stainless Steel Races , Super Strong and Smooth as Butter . The included 8 High Mis-alignment spacers are the Correct Design , They are a multi step design that allow proper , and maximum ball rotation . These are backed by IRP's Famous 100% Lifetime Warranty .These are sold as a set 2 x links with rod ends 8 x high mis-alignment spacers 1 x decal 1 x written installation instruction sheet