Eibach ERS Spring Series 60 X 60 X 250mm (250.60) EIBACH 0400.250.0700 01 ERS LINEAR MAIN SPRING eBay Eibach 0175.250.0150 Spring 2.5In Id Tender Linear Coil Spring, Tender ERS Linear Main Spring Dia. 2.25 in Len: 8.00 in Rate: 1000 lbs in ERS Main Metric Dia. 2.36 in Len: 4.72 in Rate: 1370 lbs in. 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 Provides a Softer Initial Rate When Paired with a Main Spring Available in Linear or Progressive Rates Each Spring Individually Tested Highest Linearity and Guaranteed Consistency Specifications Part Number 0350. 300. 0050 Part Name Coil Spring Length 4. 72 in. Diameter 3. 00 I. D. Spring Rate 50 lbs in Block Height 1. 22 in. Travel 3. 5 in. Block Load 175 lbs. Spring Type Linear Individual Motorsport Spring Notes Without QuadraSteer