Rear Ubolt Kit Nissan D21 Navara Torsion Bars Ubolts Nissan D21 Navara

Ubolts Nissan D21 Navara

Twin Tube Construction

- Scragged for quality control

Just as coil springs & leaf springs fatigue

*picture for illustration

Rear Ubolt Kit Nissan D21 Navara Torsion Bars Ubolts Nissan D21 NavaraUbolts Nissan D21 Navara When ubolts are tightened to secure the leaf pack in your Nissan D21 Navara, the metal is stretched as a normal part of this process. It is important that ubolts be replaced when a suspension system is changed, as a stretched ubolt has lost its integral strength. The ubolt will appear tight when re used, but in fact it isnt, this puts undue pressure on the centre bolts in the springs, causing them to move or snap which in turn