Wilwood 300-11901-2 Hat/Rotor Register Ring Adapter 2.50 Inch ID Pair

The Wilwood 300-11901-2 Hat/Rotor Register Ring Adapter provides a precision solution for adapting Wilwood brake rotors and hat assemblies to axles with smaller center register diameters. This aluminum adapter ring features a 2.500-inch inner diameter and is designed to work with Wilwood hats or rotors that have a 3.060-inch center register diameter.

Key Features:

• 2.500-inch inner diameter fits axle registers smaller than 3.06 inches
• 3.060-inch outer diameter matches Wilwood hat and rotor center bores
• Precision-machined aluminum construction for durability and accuracy
• Natural aluminum finish
• Universal fit for Wilwood performance brake systems

These register adapters are essential brake hardware components used to properly locate one-piece iron rotors and aluminum hat assemblies to vehicle-specific hub or axle registers. The adapter ensures proper centering and alignment of the rotor assembly, which is critical for optimal brake performance and rotor longevity. Wilwood offers register adapters in a range of sizes from 2.00 to 2.88 inches to accommodate various axle configurations.