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HD brakes vs standard brakes
What year did the 1-1/4" brake rotors come on?
I am converting the the thicker rotors up front and Summit has some Brembo rotors on clrearance but it doesn't say if they are 1" or 1-1/4". The application guide says it is for 71-74 C10 Pickups and 75-86 C10s. I called them and they don't have any extra information other than what is on the website. When did GM go from 1-1/4" to 1"?
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