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73-87 & 88-98 Rotor Thickness

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So you're looking to buy a drop kit for you 1973-1987 or 1988-1998 Chevy or GMC 2wd Truck and they all want to know if you have 1" or 1.25" thick rotors?  Don't guess!

Why does it matter!? 

These trucks were built with two different brake rotor thicknesses so there are two spindles with different spuds (the long part that sticks out) pressed into the spindle castings. It's important that we send you the correct spindle so your parts bolt up and your brakes work. 

We have you check and make that selection to ensure you do not have a rotor that will not fit on your spindle (usually discovered when you are neck deep in the install, probably on the weekend five beers deep)! 

The correct way to determine your rotor thickness is to measure the rotor between the brake pad surfaces (see picture below). They should measure 1" or less for the 1" (LD) brakes and 1.10" or Larger for the 1.25" (HD) Brakes.

We hope this helps you figure out what your rotor thickness is when you go to lower your 1973-1987 Chevy & GMC C10 & R10 or your 1988-1998 Chevy C1500 Or GMC C1500! 

As always feel free to call us or live chat us ANYTIME for more help!

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