Careful with these...
CP4S4 fits 1973-87 C-10 2” drop $239/pr
http://www.classicperform.com/NewPro...opSpindles.htm
Ball joints and tie rod ends may have different tapers...
CPP correct part number for 71-72 is
CP4S3 fits 1971-72 C-10 2” drop $239/pr