Designed for use with conventional coil springs with a mono-ball and stud to eliminate any binding between the spring cup and jack bolt. The stud threads into jack bolts with an internal thread (Allstar ALL56090). Welded Style, where spring sleeve is welded to the plate.Pit Stop USA offers Allstar Performance "Swivler" Spring Cup 3.25" - Welded Style ALL56080 at low everyday prices. Be sure to check out all of our products from Allstar Performance including Allstar Performance Spring Cup and Allstar Performance Spring Cups.
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