Extang Endure ALX Tonneau Cover - Black - 5 ft 7 in Bed - Ram Fullsize Truck 2019-23 500-EX-Gry Core width is 22"

Core width is 22"

Both Styles Feature a Billet Aluminum Housing That Is CNC Machined

Throttle shaft capped to prevent entry of debris & contaminates

About Red Line Gear Oil for Differentials:

475" Long x 1

Extang Endure ALX Tonneau Cover - Black - 5 ft 7 in Bed - Ram Fullsize Truck 2019-23 500-EX-Gry Core width is 22"ROTARY LATCH Unique among tri fold covers, the ALX uses a simple "twist & lift" function to open and close the cover without the use of tailgate clamps. WEATHER RESISTANT Extruded side weather seals offer the ultimate all weather protection to guard your gear from the elements. ENDURASHIELD PANELS EnduraShield TPO coated folding panels resist dents, scratches, and UV induced fading, and are capable of supporting up to 600 lbs. of evenly distributed