Description

When U-bolts are tightened to secure the leaf pack in the vehicle from factory, the metal is stretched as a normal part of this process. It is important that U-bolts be replaced when a suspension system is changed, as a stretched U-bolt has lost its integral strength. The U-bolt will appear tight when re-used, but in fact it isn’t, this puts undue pressure on the centre bolts in the springs, causing them to move or snap which in turn allows the diff to move and the leaves to spread. Tough Dog U-bolts are manufactured using high tensile steel & are designed with the correct length of thread for larger, heavy duty leaf spring packs.

Specifications

Compatibility

Toyota Landcruiser 03/1990 - 1991 80 Series Constant 300kg Load - REAR - suits 50mm Lift Toyota Landcruiser 09/1991 - 1998 80 Series Constant 500kg Load - REAR - suits 50mm Lift Toyota Landcruiser 03/1998 - 2007 100 Series Constant 500kg Load - REAR - suits 50mm Lift Toyota Landcruiser 03/1990 - 2007 80 and 105 Series 3in Lift Constant 500kg Load - REAR - 75mm Lift Spring
When U-bolts are tightened to secure the leaf pack in the vehicle from factory, the metal is stretched as a normal part of this process. It is important that U-bolts be replaced when a suspension system is changed, as a stretched U-bolt has lost its integral strength. The U-bolt will appear tight when re-used, but in fact it isn’t, this puts undue pressure on the centre bolts in the springs, causing them to move or snap which in turn allows the diff to move and the leaves to spread. Tough Dog U-bolts are manufactured using high tensile steel & are designed with the correct length of thread for larger, heavy duty leaf spring packs.
Toyota Landcruiser 03/1990 - 1991 80 Series Constant 300kg Load - REAR - suits 50mm Lift Toyota Landcruiser 09/1991 - 1998 80 Series Constant 500kg Load - REAR - suits 50mm Lift Toyota Landcruiser 03/1998 - 2007 100 Series Constant 500kg Load - REAR - suits 50mm Lift Toyota Landcruiser 03/1990 - 2007 80 and 105 Series 3in Lift Constant 500kg Load - REAR - 75mm Lift Spring

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