• XT (Extreme Travel) Barrel Spring
• Ultra-Lightweight for Reduced Unsprung Mass
• Maximum Deflection in Combination with Smallest Block Heights
• Exceptional Block Resistance and Durability
• Precision Planparallel and Square End Configurations Under Unloaded and Loaded Conditions
• Lowest Side Loads with Load Center Ideally Located relative to Spring Axis
• Precision Tolerances – The Tightest in the Industry
• Highest Linearity and Guaranteed Rate Consistency
• Each Spring Individually Tested and Rated
• LIFETIME GUARANTEE – Guaranteed within 2% of advertised rate.