Eyes Both Ends Type Springs
HX - Series - Front
HX series replaced the Paystar in 2016
HX515, HX520, HX615, and HX620 (2016-22)
Models with eyes both ends type springs
HX515 and HX520 (set forward axle) use 25 x 29 sprigs
HX615 and HX620 (set back axle) use 27 x 27 (approximate) springs