83 gti Rear Wheel Cylinders Post Posted 24 June 2011, 9:05 PM #1130779 (In Topic #135183) RSMEX Newbie 83 gti Rear Wheel Cylinders HI DO THE REAR BRAKE CYLINDERS ON A MK I GTI HAVE SLIGHTLY LARGER PISTONS/BORE/ THAN THE NON INJECTION MODELS, AND IF SO ARE THEY READILY AVAILABLE. THANKS.. 0 guests and 0 members have just viewed this: None. Forum home Running Gear