Technical

Stabilizer should be flush up against u-bolt hold down plate above the spring pack.

Some vehicles will need to remove spring alignment keeper.

  • removal of keeper will not affect alignment
  • There is another in front of spring pack
  • Once stabilizer is installed U-Bolt/swing shackle are reinforcement to keep springs aligned

 2019- up Chevy/GMC 3500 and up will need addition tools Air hammer recommended to drive stabilizer between overload and main spring pack due to smaller spacing between them.

  •  you will only be able to set stabilizer at heaviest/highest setting keep this mind when determining what size spring you need.
  • Ford Super Duty   
  • Spacing between overload and main spring pack is higher plenty of room to install stabilizer between them. However you will need to set stabilizer at heaviest/highest setting.

           Determining what spring you need 

     Our springs part number has meaning

           First 2 numbers represent width

60 series is approximately 2 1/4″ wide

65 series is 2 1/2″ wide

70 series is 2 3/4″ wide

75 series is 3″ wide

           Last 2 numbers represent spring thickness

14 has a spring rate of 500-900lbs 

15 has a spring rate of  900-1500lbs

16 has a spring rate of 1500lbs+

       *spring rate is amount of weight to move spring 1 inch*

We offer 4 spring thicknesses

13mm • 14mm • 15mm • 16mm

Spring Rates

Greaseable Bolt

Heavy

Constant load setting

Medium

Load setting

Light

Load setting

Protective Bump Stop Swing Shackle

Increases ride & better control

Roller

Moves as suspension moves

65/75 14 (500 to 900 lbs) • Best Seller 
Ideal for in-box pop-up campers, snowmobile/ UTV/ATV hauling, recommended for 1/2 ton trucks

65/75 15 (900-1,500 lbs) 3/4 ton • Best Seller 
This 3/4 ton 15mm spring is now also available for 1/2 ton trucks
Ideal for heavy pull-behind campers, car haulers, hauling constant in-box weight

65/75 16 (1,500 + lbs) 3/4 ton and up trucks This spring is for the heavy haulers Welding rigs, fuel cells, hauling heavy equipment, looking to improve control and stability

70 series 2 3/4” width 7014, for Mercedes Sprinter vans and other imports.