Allstar Performance Spring Pre-Loader - 3" - 12" Tall Spring O-rings Grommets & Vacuum Caps Pit Stop USA offers Zamp

Pit Stop USA offers Zamp Z Optics Sealed Tear Offs - 12" - Stilo P253Z at low everyday prices

Very Durable

Package of 25

Take-Apart

Allstar Performance Spring Pre-Loader - 3" - 12" Tall Spring O-rings Grommets & Vacuum Caps Pit Stop USA offers ZampPre loader allows use of a softer spring rate that is pre loaded at ride height. The pre loaded spring will have less rate increase as the suspension travels. For example, a 150 lb. in. spring can be preloaded to 400 lbs. at ride height, but still only increases at a rate of 150 lb. in. as suspension travels. The entire unit may also be exchanged with another unit with a different rate spring pre installed to allow spring rate changes without