Single Heavy Duty Aluminum Brake Bleeder Kit For GM Systems ✔️ Forged aluminum body fits PV2 and PV4 valve setups easily This manual brake bleeding tool helps you purge air from proportioning valves on older vehicle hydraulic circuits. Mechanics often use this single unit to restore proper pressure balance when upgrading brake lines or installing aftermarket combination valve kits. ✅ Precision tapered seals prevent fluid leaks during operation ✅ Machined alloy construction resists corrosion in wet environments ✅ Direct drop in replacement for standard factory bleeder fittings 💡 What is a brake proportioning valve bleeder tool used for? - These handy tools let you manually adjust fluid pressure while flushing dead air pockets from master cylinder loops. - Technicians rely on them to bypass stuck solenoids and restore smooth pedal travel without expensive scan guns. - Simple hand pump action keeps the job moving fast when racing shops or street garages tackle complex disc drum hybrids. ✝️