Specification:
Affordable, reliable and built to last, Complete seal kit for repairs of kit 2771004 and many other units.
This is a complete hydro-boost repair kit as pictured. It includes everything you may need to repair your unit and get it back on the road, easy to install and directly fit.
Fitment: Aftermarket replacement part replacement for Ford GM Chrysler applications. Check year, make, model, and any rebuilds.
Seal repair kit exact duplicate for brake system a complete seal kit, 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.

Compatibility:
Replacement for Ford F-150/ F-250/ F-350
Replacement for Ford Bronco/ Expedition/ Excursion/ Fusion/ Mustang
Replacement for Ford F-250/ F-350/ F-450/ F-550 Super Duty
Replacement for Chevrolet G30/ S10
Replacement for Chevrolet Astro/ Blazer/ Tahoe/ Traverse/ Impala
Replacement for Chevrolet Express 1500
Replacement for Chevrolet Silverado 1500/ 2500/ 3500
Replacement for Chevrolet Silverado 1500 Classic
Replacement for Chevrolet SAil

Features:
Excellent Function: GM2771004 hydro-boost repair kit fits for Bendix and many other Hydro-Boost devices, this is 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 new seals.

Note:
Please check the pictures and specifications for details before your buy.
If you have any doubts, please share with us.