Brass PV2 Proportioning Valve For Disc And Drum Brake Systems Fits 1978 1987 Chevy GMC Full Size Trucks Front Disc Rear Drum Works On Ford Mopar And Other GM Models 2WD 4WD Half Ton Three Quarter Ton And One Ton
✔️ 1 pc brass PV2 valve for 1978-1987 GM trucks, disc/drum
This brass PV2 proportioning valve balances brake pressure between front disc brakes and rear drum brakes, providing a stable, predictable stop and reducing rear lockups. It’s a direct replacement designed for older GM, Ford, Mopar showrooms and is ideal when upgrading from drum to disc brakes on 1978-1987 GM full-size trucks (2WD/4WD, half-ton to 1-ton).
✅ 5-port brass valve with rear 9/16"-18 outlet and dual front 3/8"-24 outlets
✅ Inlet sizes: front 1/2"-20, rear 7/16"-24; rear outlet 9/16"-18, front outlets 3/8"-24
✅ Master cylinder inlet connections: 1/2"-20 and 7/16"-24
💡 What is a brake proportioning valve used for in a disc and drum brake system? This handy device balances braking pressure between the front and rear axles for stable stopping. - balancing pressure between front and rear brakes to prevent instability - improves pedal feel under load and during hard stops - brass construction offers durability for long service life - easy direct replacement for common GM/Ford/Mopar setups