This 1" motor mount lift improves post-lift transfer case output shaft / rear axle alignment, while providing increased belly pan clearance and typically eliminating the need for a transfer case drop on Jeep's with a 1-3" body lift. By building upon the factory rubber motor mounts, the factory vibration isolating characteristics are retained. These motor mount spacers are made from 1" solid steel stock and include coupler nuts to work with the captive studs on the factory mount. This is It is commonly installed in conjunction with our 1.25" body lift to ease installation by re-aligning the fan shroud.