Front Caliper Mounts for 13.5 in. Rotors
– Per dischi diametro 13.5″
Spidertrax weld-on caliper mounts make it easy to install 13-1/2″ diameter vented rotors on Spidertrax Knuckles. These CNC machined mounts are designed to work with the Spidertrax Ultimate Knuckles and Wilwood calipers.
http://www.spidertrax.com/Front-Caliper-Mounts?sc=2&category=27162