Eibach 1400.2530.0150 Eibach XT Barrel Coilover Springs Summit Racing Eibach ERS Coil Over Spring Single Spring 9.00 inch L x 2.25 inch dia x Eibach+Springs+1200.250.0175S+Eibach+Silver+Coilover+Spring+ +2.50%22+I Eibach 1200.300.0375S Race Off Road Single Coil Spring ShockWarehouse Eibach for ERS 3.50 in. Length x 1.63 in. ID Coil Over Spring Walmart.com. Eibach's ERS line has evolved over the years to be the world's most prominent, comprehensive and superior Race Spring System. Eibach Race Springs are all manufactured in series production, often repeated, with a strong manufacturing experience. Thus, Eibach constantly achieves the most linear spring characteristic (rate) while maintaining the lowest tolerances and the highest quality in the industry. Eibach's ERS line has evolved over the years to be the world's most prominent, comprehensive and superior Race Spring System. Eibach Race Springs are all manufactured in series production, often repeated, with a strong manufacturing experience. Thus, Eibach constantly achieves the most linear spring characteristic (rate) while maintaining the lowest tolerances and the highest quality in the industry. Standard Features Eibach Barrel Main Spring for Increased Travel and Reduced Weight Highest Linearity and Guaranteed Consistency Ultra Lightweight for Reduced Unsprung Mass Each Spring Individually Tested Maximum Travel in Combination with Smallest Block Heights Specifications Part Number 1200. 2530. 0325 Part Name Coil Spring Length 12 in. Diameter 2. 50 I. D. Spring Rate 325 lbs in Block Height 3. 94 in. Travel 8. 07 in. Block Load 2519 lbs. Color Red Notes Without QuadraSteer