By constantly introducing design enhancements that extend product life and simplify installation and replacement, MOOG has earned its reputation as the chassis industry's Problem Solver.FEATURES 100% Load tested Easy to install Provides like-new steering Designed to lower stresses for longer service life Worn or sagging coil springs can cause premature tire wear due to vehicle misalignment SPECIFICATIONS Bar Diameter - Inches: 0.71 Bar Diameter - MM: 18.20 End 1 Type: Pigtail End 2 Type: Pigtail Free Height - Inches: 16.19 Free Height - MM: 411.20 Installation Height (in): 12.13 Front Spring Outside Diameter (in): 5.440 Front Spring Relaxed Length (in): 16.19 ID - Inches: 4.00 ID - MM: 101.60 Installation Height - Inches: 12.13 Installation Height - MM: 308.10 Load - lbs: 1428.00 Part Description: Coil Spring Set Rear Spring Compressed Length (mm): 308.10 Rear Spring Outside Diameter (in): 5.440 Rear Spring Relaxed Length (in): 16.19 Spring Color: Black Spring Rate - lbs per inch: 366.00 Spring Type: Variable Rate Bar Diameter (in): 0.71