Product: Superior 18-1201 Spring-Lox,2-Way Adjustable Spring Spacer
Overall sentiment: negative
Customer reviews:
would not do what i wanted 
 Did not fit my truck as stated. 
 #1 the bolts were too short and #2 they did not fit around the spring .For a grip.  Maybe someday I will be able to use them on something. I a, working on a 1984 Buick Regal. I have MOOG SPRINGS.  Not factory springs Use;e 
 tried to use these on sons 1994 ford explorer front coil springs, to temporarily help,weakened  factory springs, groove to go on spring is to small will not go over coil, even if did bolts will not fit , hit spring before it even gets to hole, would not purchase again, maybe ok for small car,, just get new springs or if you want a lift it, get coil spring spacer  ...[[ASIN:B00029K20C Superior 18-1201 Spring-Lox,2-Way Adjustable Spring Spacer 
 didn't fit to small for front springs on an 2008 silverado 
 did not fit 2012 nissan pathfinder, just another product im stuck with . 
 Kills your suspension 
 Spent hours tiring to get them to work, not for every car. Gave them to the neighbor I don't like. 
 be warned, you may need to remove springs or use a springer compressor. they did not fit a raised ford ranger/mazda B2300. 
 they were too large to fit into my coil spring.