The Right Stuff 1973-87 GM & GMC C/K Truck, Black Hydro Boost Upper Assembly Kit Disc/Drum - (BHB735171)

Big-cam engines, diesel swaps and crowded engine bays are exactly where a vacuum booster falls short on a '73-87 GM or GMC C/K truck. This Right Stuff hydro-boost upper assembly runs off the power steering pump instead of engine vacuum, so pedal assist stays consistent no matter what the cam or the vacuum gauge is doing. It's set up for trucks with front disc and rear drum brakes.

Why It's Worth It

• Hydraulic assist that doesn't depend on engine vacuum
• Comes matched with an aluminum dual-port master cylinder, 1.125" bore, with cap
• Smaller than a large vacuum booster, which helps around headers, big blocks and swaps

What's Included

• Hydro-boost unit and master cylinder combo with master cylinder cap
• Mounting bracket and mounting hardware
• Brake pedal rod extension
• Bleeder hoses

Before You Order

• Built for disc/drum systems; confirm your truck's brake setup before ordering
• Your power steering pump has to support hydro-boost, and pressure/return hoses to the pump aren't listed as included
• Bleed the system and check the pedal rod length after install

Specifications:

Bleeder Hoses Included:	Yes
Booster Diaphragm Type:	Single
Bracket Included:	Yes
Brake Pedal Rod Extension Included:	Yes
California Proposition 65:	Yes
Grade Type:	Chrome
Master Cylinder Bore Size:	1.125
Master Cylinder Cap Included:	Yes
Master Cylinder Material:	Aluminium
Master Cylinder Port Quantity:	2
Mounting Hardware Included:	Yes
Part Type:	Hydro Boost Booster & Master Cylinder Combo

Warranty:

The Right Stuff products carry a limited lifetime warranty to be free of defects in material and workmanship. The warranty is void if the product has been altered, improperly installed or used for purposes other than originally intended.