FoT, I have a pair of rear springs for a TR6 that someone may be interested in before I put them on ebay. They are competition springs with the following specs: 9-7/8" free length 4" diameter 575# spring rate - last measured in 2003 last used in 2007 In excellent condition Please contact me off line if interested. Thanks, Allen Allen & Jody Washatko 1971 TR6 - Number 6