This Wilwood assembly pairs a forged six-piston Superlite caliper with a GT 48-vane Spec37 slotted rotor sized 12.88 x 1.25. The combination delivers a high-capacity braking package intended for substantial stopping power and improved thermal management from the vented 48-vane rotor. It's presented as a matched caliper-and-rotor solution for serious braking upgrades.
Wilwood Forged 6 Piston Superlite Caliper, GT 48 Vane Spec37 Slotted Rotor - 12.88x1.25