Yukon Grizzly Locker for Ford 10.25" & 10.5" Differentials, 35 Spline LMM Question: Does my thermostat really

Question: Does my thermostat really need to be replaced every year

What are the special concerns with this

2006-2010 Ford E-Series Van 6

Type of Top - Silicone

This can actually bring exhaust gas temperatures DOWN

Yukon Grizzly Locker for Ford 10.25" & 10.5" Differentials, 35 Spline LMM Question: Does my thermostat reallyProduct Details Everything about the Yukon Grizzly Locker is hardcore, its casing and gears, its advanced gear tooth design, and its impact on traction and performance. The Yukon Grizzly Locker is a mechanical positive locking differential thats engineered for rock crawling, serious trail running, off road racing, and drag racing. The unit provides 100% power to both tires, while still allowing for disengagement while negotiating turns. The Yukon