This universal GM style master cylinder can be used on disc brake or power brake kit. This has 4 ports, 9/16-18 and 1/2-20 ports on each side for ease of hooking up lines. This master cylinder has a 1 1/8" bore and is designed for disc/disc setups only. This master cylinder includes an adapter and can be used for power brakes or manual brakes. We also recommend using our brake light switch conversion kit when using this master cylinder, this kit moves the switch under the dash. Specs: 3-3/8" center mounting hose, length 8". Fits:
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