M10x1 bubble flare inlet and outlet ports thread directly onto metric tubing without an adapter on this compact forged billet proportioning valve, giving precise, adjustable control over rear brake pressure.

Compact Proportioning Valve Specs:

• Pressure adjustment range of 150-1200 psi.
• Up to a 57% maximum decrease in line pressure, more than any other Wilwood valve.
• Fine-thread adjuster knob for precise front-to-rear brake balance tuning.
• M10x1 bubble flare seats accept metric tubing nuts directly, no tube nut adapters needed.