GM 10-12 Bolt Wilwood - Rear Disc Brake Conversion with Parking Brake, Staggered Caliper Mount 1947-59 Chevy GMC 3100 Truck Our Hydro-boost return line kit

Our Hydro-boost return line kit is designed to fit the GM Saginaw power steering pump reservoir allowing reserve fluid to be returned to the reservoir

Drill and slot holes

No hole in your firewall and no unsightly harness draped across your engine

This rear disc brake conversion is designed to fit the popular GM 10 and 12 bolt rearend

GM 10-12 Bolt Wilwood - Rear Disc Brake Conversion with Parking Brake, Staggered Caliper Mount 1947-59 Chevy GMC 3100 Truck Our Hydro-boost return line kitD154 Pro Series rear disc kits provides a complete solution for popular muscle car rear axles that require a parking brake. Forged D154 dual piston calipers, 12. 19 one piece drum rotors, and high friction pads provide optimized and balanced braking for all types of custom performance street strip and show machines. The neatly hidden internal shoe system provides a clean installation with superior static holding power for parking. D154 rear caliper