260-8419 Adjustable Proportioning Valve Knob Pressure Adjustments Range from 100-1000 PSI Features: Achieve precise pressure adjustments ranging from 100-1000 PSI with the 260-8419 Adjustable Proportioning Valve Knob. Fine-tune the front to rear braking balance by proportionally decreasing the rear brake line pressure for optimal performance. Enhance your vehicle's braking system with this adjustable valve knob, allowing you to customize your driving experience. Improve safety and control on the road by adjusting the brake bias to suit your specific driving conditions. Specifications: Item Name: 260-8419 Adjustable Proportioning Valve Knob Material: Aluminum Alloy Main Color: Silver Package Size: 10.5*7*4cm Package Weight: 251g Package List: 1* 260-8419 Adjustable Proportioning Valve Knob