Posted April 15, 201113 yr comment_352902 I am looking for a new Booster on my 77' and rockauto is asking about booster diameter. Why? And which size do I actually have? Not a 2+2. Link to comment https://www.classiczcars.com/forums/topic/39255-brake-booster-diameter/ Share on other sites More sharing options...
April 15, 201113 yr comment_352908 There are only two sizes offered, the smaller of which is for the Coupe. The 2+2 uses the big one. Link to comment https://www.classiczcars.com/forums/topic/39255-brake-booster-diameter/#findComment-352908 Share on other sites More sharing options...
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