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FAQ

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Fit and Installation

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What size tires are recommend?

With no modifications 275/65r20 is recommended

  • 37x11.5 or 275/80r20 with no lift requires a slight fender trim and a possible narrow sway bar if preferred

Do I need another sway bar ? 

With 37 inch tires they may touch the sway bar , if preferred use a narrower sway bar such as

  • factory f350 sway bar (cost about $150on eBay used )
  • helwig 7712 (cost approximately $350)
  • carli torsion sway bar (cost approximately $900 )

Do I need a lift kit ? 

NO you do not need a lift kit , our company truck has

  • no lift kit
  • tru-dually wheels 8.25x20 10x225
  • continental 275/80r20 mpt tires
  • f350 sway bay
  • slight fender trim
  • front hub caps are trimmed 10mm to not hit the locking hubs

What’s better super singles 41" tires or Dually 37" tires , what’s the cost comparison?

Dually trucks were designed for maximum payload and stability , keeping the truck as close to factory is best .Our dually wheels are rated for 5060lbs per wheel or over 30,000lbs combined keeping the load where its needed on the rear axle .

Dually truck modifications with 37" tires

  • tires and wheels
  • slight front fender trim (with no lift )
  • narrow sway bar is opional
  • labor time 2 hours
  • cost apoxamately $2,000 plus tires

Super singles with 41"tires

  • tires wheels
  • lift kit
  • fenders
  • gears
  • brakes
  • frame modifications to core support and cab
  • labor time can be months
  • unable to trade in to modified for most dealers
  • hard to sell or recoup money
  • cost aproxamately $20,000 to $50,000

sway bar options if preferred

For trucks running 37" tires sway bar may rub at full lock here are some options for sway bars . Yes f350 sway bars are the same bolt pattern and end links as the frames and axles are the same , and bolt right up.

factory sway bar

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ford f350 sway bar

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f450 sway bar to f350

both sway bar line up as they are the same frame and links

carli sway bay

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