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86-91 N/A Rx7 Brake Booster Vacuum Hose (FB01-43-640) - NLA
No Longer Available.
Fits all 86-91 Non-Turbo Mazda Rx7s.
Comes off the brake booster, has a check valve inside of it.
This Brake Booster Check Valve can be spliced into a hose as an altenative.