Hydraulic Brake Holding Function – Uses hydraulic line pressure to securely hold the rear brakes, making it ideal for parking or staging use., Universal Fit Design – Compatible with a wide range of vehicles and brake systems using standard hydraulic plumbing., NPT Port Configuration – Features 1/8" NPT female inlet and outlet ports for straightforward integration into existing brake lines., Rear Brake Locking Use – Commonly installed to lock rear brakes only, providing controlled holding without affecting front brakes., Complete Valve Assembly – Includes the Park-Lok valve and two 1/8" NPT brake adapter fittings; not compatible with silicone brake fluid.
