Seller notes

This is a Brand new 7" CHROME SINGLE brake booster. This 7" booster is ideal for most small to mid size street rods and customs. 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). The booster requires 18" of vacuum to operate properly. With this vacuum level the booster will produce a maximum pressure output of 950 psi with a 1" bore master cylinder. This pressure level works well for four wheel drum systems and disc/drum vehicl...

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