Note: It does not work with staked rods. If your rod is staked you can cut and re-weld but we don't advise you to do so. A complete hydraulic pressurization repair kit, include all parts that you may need to repair and put them back into service, disassemble the hydraulic booster and replace the old seals with all seals. Product Name: Hydro-boost seal repair kit Replace Part Number: Leak repair universal brake system replacement 2771004 Fitment: Kit 501 for Hydro-boost Kit 2771004 Universal Fit many Hydro-Boost devices. Works for hundreds of applications including For , For , and For . Suck As fits for Expedition Excursion Fusion / / F-450/ F-550 Super Duty, fits for G30 S10 Astro SAil Express 1500 1500/ 2500/ 3500/ 1500 Classic. Material: rubber colour: As shown Package Contents: 5 x Hydroboost Repair Kit 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.