Made of 6061 T6 aluminum;
Distance from center to center is 3.5"
Mounting bolts is 3/8"-16-1.0"
Compatible with 11.5" brake rotors, 4- piston, dual-action design of Harley Davidson 1984-1999 models.
Available with brake calipers of Performance Machine, Arlen Ness, Ultima, Iron Horse, Revtech and so on.
Sold in Each. ( If your brake rotors is dual, please buy 2 sets of this adapter.)
Fitment: Fits for 1984-1999 Harley Davdison with Custom four Piston Calipers.