Dang Solid Brass PV4 Proportioning Valve Hardened Upgrade For Ford Chevy Mopar Classic Truck And Hotrod Disc Brake System Four Wheel Conversion That Slams Your Pedal Back Up When You Hit The Brakes And Handles Every Job With Ease And Precision

Upgrade your four wheel disc brake system with reliability
✔️ Solid brass proportioning valve for four wheel setups

This handy combination proportioning valve keeps front and rear disc brake flows balanced during heavy stops. Builders toss it into muscle cars, vintage trucks, and custom hot rods to tame rear wheel grab.

✅ Heavy duty brass casing stands up to daily road grime and heat cycles
✅ Swaps straight in for old 172-1361, PV4, or PB215 units
✅ Five connection points take 9/16-18, dual 3/8-24, 1/2-20, and 7/16-24 lines
✅ Hangs neatly on the left side, right side, or underneath the firewall
✅ Comes as one solid piece ready for quick four wheel conversion work

💡 How does a disc-to-disc proportioning valve handle uneven brake bias on classic rides?
Splitting the pressure stream keeps rear pads from sliding out on rough pavement.
- Built-in residual ports hold just enough juice to drop the pedal right down
- Standard flare threads hook up quick without any fancy adapters or tweaks
- Forged brass internals stay tight under hard stops and summer heat waves

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