Truck Systems Technology TST 507 Tire Pressure Monitor w/ 8 Flow-Thru Sensors. Truck Systems Technology TST 507 Ti These TST flow-thru sensors are compatible with TST 507 series Tire Pressure Monitoring Systems and are only useable on metal valve stems. Tst 507 Tpms TST 507 FT S2 Flow Thru Sensor 2 Pack | Tire Pressure Sensor Tst Tire Pressure Monitoring System Improves Gas Mileage Save fuel by reducing drag caused by low tire pressure After a quick installation, these tiny but convenient sensors will help you stay safer on the road with accurate tire pressure and temperature readings. Inside each sensor is a small CR2032 battery, which can easily be replaced without the sensor losing the code lock. Details: REQUIRES metal valve stems Compatible with TST 507 series Tire Pressure Monitoring Systems For use with RVs and Trailers Lets you add tire pressure without removing the sensor Replaceable CR2032 battery Does not lose code lock during battery replacement Water-resistant Single, 2, 4, or 8 pack options Specs: Temperature Operating Range: -40°°(-40° C) to 176°°(80° C) Pressure Range: 1 to 218 PSI / 1 to 15 BAR Battery Life: 1 to 1 ½ years Size: 1.7” L x 1” W x 0.94” H Weight: 0.99oz Includes: Single, 2, 4, or 8 TST Flow-Thru Sensors 2, 4, or 8 O rings (not included with single sensor) 2, 4, or 8 Rubber inserts (not included with single sensor) 2, 4, or 8 Anti-theft hex nuts (not included with single sensor) Truck Systems TST507FT8C 507 Tire Pressure Monitoring System With 8 Flow Thru Replacement Sensors 8dd2eeee D87a 4c74 Bc06 3314cb175ea5.a4ff635f452f0991cc882161e3e4d435 Flow through sensors for your TST TPMS let you inflate or deflate your tires without removing them from the valve stems. Use them to monitor 2 additional tires, to replace damaged or lost sensors, or to upgrade from sensors that require removal. 1 800 940 8924 to order TST accessories and parts part number TST 507 FT S2 or order online at . Free expert support on all TST products... In that case, these TST flow-thru sensor packs are a great way to do it. Buy TST 507RV 4 Wheel System w/ Internal Sensors (1 inch stems) online at discount prices from the Internet Source for TST 507RV 4 Wheel System w/ Internal Sensors (1 inch stems), Vulcan Tire Sales. Visual, Audible and Textual Warnings Get visual, audio and text warnings before blowouts happen