Allstar Performance Spring Pre-Loader - 3" - 12" Tall Spring AA0710AF2T54 Kits include air jack cylinders

Kits include air jack cylinders with a 15

Removable/Washable Comfort Cheek Pads and Crown Liner

Aluminum Backer Washers 1/4" Clear

Smoke/Black

Subsequently

Allstar Performance Spring Pre-Loader - 3" - 12" Tall Spring AA0710AF2T54 Kits include air jack cylindersPre 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