This high quality kit will really improve your brake performance. The booster mounts with a 4-bolt pattern. The 4 bolts are in a perfect square and are 3 3/8" apart (center to center). THIS KIT IS FOR DISC/DISC APPLICATIONS ONLY!
1967-72 Chevy C10 Truck Suburban Chrome Brake Booster Master Cylinder Disc Drum
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1967-72 Chevy C10 C20 Suburban 8'' Chrome Power Brake Booster Master Disc Disc
1967-72 Chevy c10 Truck Suburban Chrome Brake Booster Master Cylinder Disc Drum
1967-72 Chevy c10 Truck Suburban Chrome Brake Booster Master Cylinder DISC DRUM