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.