About: http://webisa.webdatacommons.org/391104529

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	A race spring has an R stamped on it and is a true .875 spring. they cost about $140 vs. lots less for the standard rear springs but they can vary in stiffness a bit.
http://www.w3.org/ns/prov#wasQuotedFrom	r6-forum.com