HAVE QUESTIONS?

If your leveling kit is being used with the stock coils, then yes you can replace the stock coils with TUFTRUCK coils and use that with your leveling kit. But if the leveling kit has it’s own coils then you can’t use TUFTRUCK coils.

Yes, both of them will help significantly when towing, but keep in mind they won’t keep the backend level. With the tongue weight of the trailer, the back end will drop.

 

The TTC-1210 can carry and extra 450 pounds and the 1211 can carry an extra 900 pounds.

 

The TTC-1223V is a variable rate coil so, if it were to be used for towing, the back end would drop two inches before the second stage started to work.

 
 

The TTC-1223 was designed for a 500/600 pound service body. When it’s installed, the back will sit at a stock ride height.

 
 

The 2-inch lift allows for the diesel engine, which is heavier than the gas engine.

 
 

The 2-inch lift allows for the diesel engine, which is heavier than the gas engine.

 
 

Yes, with a little bit more travel.

 
 
 

On a heavily-loaded Chev/GM 3500/4500 cab and chassis with the Duramax diesel engine, the lift is around 1 1/2 inches off the bump stop.

 
 
 

It’s related to the design of our coils. We have to use thicker coil wire to make them heavy duty and if we made them to OEM height, then the truck would sit too high.

 

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