Compact and billet Metal construction. Pressure adjustment range is from 100-1000 psi and provides up to 57% line pressure reduction. This adjustment allows you to fine-tune front and rear brake balance by proportionally reducing rear brake line pressure. Proportional valves are often required when upgrading to rear disc brakes or larger front brakes. Name:Brake Proportional Valve Type:Auto Parts Fit:Universal Colour:Black Material:Metal Package Contents: 1 x Brake Proportional Valve Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Product Notes: Please allow a little manual errors.Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please confirm acceptance before ordering. About Shipping: Please ensure your shipping informations are correct to avoid delivery issues. All orders are shipped within 3 days after payment. Delivery usually takes 8–12 days, The specific delivery time is depend on circumstances. If you have any questions during your purchase, feel free to contact us. We will respond you within 88 hours.