Barrel Main Spring Dia. 2.50 in Len: 10.00 in Rate: 350 lbs in Eibach Race Off Road Dia. in Len: in Rate: lbs in Eibach Coilover Spring (2.25" 1525 lb 27.22 Kg) 5" Long Red 0500 Eibach Coil Over Racing Springs, 1 7 8 I.D., 10 Inch Eibach Race Off Road Dia. 2.50 in Len: 10.00 in Rate: 200 lbs in EIBACH Spring 12in Coil Over 3.0in ID 1200.300.0250S. 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 1000. 2530. 0175 Part Name Coil Spring UPC 00803050520555 Length 10 in. Diameter 2. 50 I. D. Spring Rate 175 lbs in Block Height 2. 7 in. Travel 7. 3 in. Block Load 1277. 5 lbs. Color Red Notes Without QuadraSteer