SKU: WIL170-13539
UPC: 889545042214
MPN: 170-13539
The Hat Parking Brake 12 x 8.75in BP from Wilwood is an essential component for any serious performance or street vehicle build where dedicated parking brake functionality is non-negotiable. Designed for drivers and mechanics who demand reliability in secondary braking systems, this hat-style rotor serves as the friction surface for mechanical parking brake assemblies on modern high-performance platforms. Whether you're upgrading a track car, custom hot rod, or daily driver with a serious suspension and braking overhaul, this Wilwood parking brake hat ensures your vehicle stays put on inclines and delivers the mechanical holding power that's critical when primary hydraulic systems fail or during extended downtime.
The 12 x 8.75-inch BP (brake pad) configuration provides ample friction surface area for consistent clamping force and heat dissipation during repeated engagements, a must-have trait for vehicles that see varied driving conditions or extended parking situations. Wilwood's hat-style design integrates directly with parking brake calipers, eliminating the need for integrated rotor solutions and allowing independent tuning of your primary disc brakes. The compact 9.7 x 3 x 10.4-inch overall envelope and lightweight 3.7-pound construction minimize unsprung weight while maintaining thermal mass—critical factors that prevent brake fade and reduce suspension strain during aggressive driving or heavy braking cycles. Precision-engineered for tight tolerances, this rotor's design ensures repeatable engagement and smooth actuation across hundreds of parking cycles.
Mechanics and performance enthusiasts upgrading to dedicated parking brake systems benefit most from this hat rotor, particularly those working on track-focused builds, restomod projects, or vehicles running oversized primary brake packages where factory parking systems no longer fit. Installation pairs seamlessly with Wilwood's complete brake ecosystem—confirming fitment with your specific brake caliper model and mounting bracket is essential before ordering. This component excels in applications where weight savings, thermal management, and independent brake circuit tuning matter equally, making it ideal for autocross competitors, drift enthusiasts, and hot rodders seeking maximum control and reliability in demanding driving environments.
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