Shock Unload Collar 1in

The Shock Unload Collar 1in from Longacre is a precision spring tester component designed for automotive suspension tuning and bump stop analysis. This natural-finish unload collar is essential for technicians and suspension specialists who need to accurately measure and evaluate spring compression characteristics on race cars, street performance vehicles, and suspension development applications. The 1-inch sizing makes it compatible with standard Longacre bump stop spring testers, providing repeatable measurements critical to setup optimization.

Engineered with precision tolerances, the Shock Unload Collar 1in functions as a critical interface component within Longacre's bump stop spring testing system. The collar's design allows controlled load unloading during spring rate measurement, enabling technicians to isolate true spring behavior without interference from shock damping characteristics. Its compact footprint—measuring 5.55 x 1.65 x 7.1 inches and weighing only 0.45 lbs—ensures easy handling and storage while maintaining the rigidity required for accurate load transfer and measurement consistency.

This collar is ideal for suspension shops, race teams, and OEM development facilities that rely on Longacre's industry-standard testing equipment. Whether you're validating spring rates for a new setup, troubleshooting handling issues, or conducting baseline measurements before and after suspension modifications, the Shock Unload Collar 1in delivers the precision required for data-driven suspension tuning. Compatible with complete Longacre bump stop spring tester assemblies, this replacement or additional collar ensures you maintain full testing capability across multiple vehicles or projects.