Description
The Wilwood Part Number 300-12846 Rotor and Hat Register Adapter Ring is engineered to provide a precise fit for 1-piece iron rotors and aluminum hat assemblies on a variety of vehicle hubs or axle registers. Designed with versatility in mind, this adapter ring accommodates internal diameters ranging from 2.00 inches to 2.88 inches, ensuring compatibility across a broad spectrum of braking systems. Its construction features a center hole of 3.06 inches with a counter bore, facilitating straightforward installation into the hat or rotor assembly while maintaining secure positioning during operation.
Constructed from durable materials, the Wilwood adapter ring ensures reliable performance under demanding conditions. Its robust design minimizes vibrations and maintains rotor alignment, which is critical for consistent braking performance. This component is suitable for use in various automotive applications where precise rotor and hat assembly mounting is required, making it an essential part for both repair and upgrade projects.
Installation is simplified thanks to the precise dimensions and the standardized mounting features, allowing for quick and secure attachment without the need for additional modifications. The adapter ring’s compact size and lightweight profile contribute to overall vehicle efficiency and handling characteristics. Whether restoring a classic vehicle or upgrading a high-performance braking system, this adapter ring offers a reliable solution to ensure proper rotor fitment and optimal braking response.
Features:
- Designed to fit 1-piece iron rotors and aluminum hat assemblies
- Accommodates internal diameters from 2.00 inches to 2.88 inches
- Requires a 3.06-inch center hole with counter bore for installation
- Constructed from durable materials for long-lasting performance
- Simplifies installation with standardized mounting features


















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