H&R 2.5 inch ID Single Race Spring Length 12 inch Rate 150 lbs/inch - R25120150 Forced Induction Compact controller with 5 dedicated

Compact controller with 5 dedicated buttons

Fluid level indicators via sight glass/sight tube

Suits aftermarket coil overs only

2003-2007 Dodge Ram 3500 5

Better Performance

H&R 2.5 inch ID Single Race Spring Length 12 inch Rate 150 lbs/inch - R25120150 Forced Induction Compact controller with 5 dedicatedH&R 2. 50" I. D. Race Springs are made with extremely high tensile strength wire alloy which allows the use of a thinner wire. Manufactured using advanced materials and precision technology in Germany, H&R 2. 50" I. D. Race Springs are crafted from special lightweight (hf) 54SiCr6 spring steel. For any given spring rate, they are on average 15% lighter and have 10% more travel than competitors' springs. Main springs range from 6" to 18" in length and