Timbren FR1504E Suspension Enhancement System

Technical engineering specifications and operating parameters for the Timbren FR1504E rear suspension enhancement system. The kit utilizes Aeon hollow rubber springs that provide progressive spring rate, engaging only under load to maintain factory ride quality when unloaded. Designed as direct replacement for factory rear bump stops on frame above rear axle. Material composition includes coated steel brackets and Aeon rubber springs. Component construction features bolt-on installation with no drilling required for most applications. OEM cross-reference interchange includes FR1504E and TR3045 part numbers.