Hi Temp Grommet for QC Valve Stem

The Hi Temp Grommet for QC Valve Stem by Longacre is a precision component engineered for high-performance tire pressure monitoring systems found in racing and performance automotive applications. This grommet serves as a critical sealing interface, protecting quick-connect valve stem connections from thermal stress, moisture intrusion, and pressure loss during extreme driving conditions. Whether you're running a dedicated track setup, drag racing application, or precision tire management system, this component ensures reliable data logging and consistent tire pressures across multiple vehicle configurations.

Constructed from heat-resistant elastomer material, the Hi Temp Grommet maintains structural integrity in high-temperature under-hood environments and brake-adjacent mounting locations where standard rubber compounds fail. The grommet's compact design—measuring 4.2 x 0.35 x 5.6 inches—allows seamless integration with quick-connect valve stem assemblies without adding bulk or interfering with tire clearances. Its low weight of just 0.04 lbs ensures zero impact on vehicle dynamics, while the durable formulation resists thermal cycling, ozone degradation, and fuel or coolant exposure that commonly degrade standard grommets in performance environments.

Technicians and performance shops rely on this grommet for tire pressure monitoring setups that demand repeatability across testing sessions, dyno runs, and competition events. Installation is straightforward—the grommet simply seats onto the QC valve stem connection point, requiring no special tools or modifications to existing quick-connect hardware. For anyone managing multiple tire pressures across different vehicle platforms or weather conditions, this Longacre component eliminates pressure loss and sensor connection failures that compromise data accuracy and tire performance.