Reproduction front brake master cylinder rebuild kit for many of the Honda 4 cylinder bikes from the 70s as well as the 350/360/500 twins. This kit is better than other aftermarket kits because it comes with the seal already installed on the piston! If you've struggled getting that seal in place without doing any damage to it, you'll feel a sigh of relief. Comes with everything shown in the photo. as well as grease.
Replaces Honda part number: 45530-377-305
Note: Many of the models below changed master cylinders in 1977, we carry a different kit for those models here.
Fits Honda:
CB350F - 1972-1974 - Front
CB350G - 1973 - Front
CB360 - 1974 - Front
CB360G - 1974 - Front
CB360T - 1975-1976 - Front
CB400F Super Sport - 1975-1977 - Front
CB450K - 1970-1974 - Front
CB500T Twin DOHC - 1975-1976 - Front
CB500K - 1971-1973 - Front
CB550F Super Sport - 1975-1976 - Front
CB550K - 1974-1976 - Front
CB750A Automatic - 1976 - Front
CB750F Super Sport - 1975-1976 - Front
CB750K - 1969-1976 - Front
11 Reviews Hide Reviews Show Reviews
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Worked perfect to restore a 49 year old seized master cylinder.
Great price to keep the original master cylinder working on my restoration project.
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Rebuild kit worked great
The rebuild kit worked fine, just as expected.
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Good kit.
It worked! Master cylinder looks old but feels great!
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rebuild, or new?
Bought this to rebuild my stock (cb360) master cylendar - Beter than avegrage qualty and worked well.
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Great rebuild kit
Brought a crusty old cb450 master back to life with this kit. Gave her a quick hone before installing and all is working well so far.
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Really good
Just installed this rebuild kit and was surprised at how good the quality was for a reproduction. Liked that the seal came installed on the piston. The piston was also good quality metal (maybe stainless steel?). Came with a tiny tub of silicon grease too! Very happy.
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No instructions
Components all look good but...I get get it to pressurize without instructions
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Excellent rebuild kit
Changed out the old parts on my 1971 Honda CB450K4 and everything works great. Good quality reproduction.
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Good kit for the money
Came with everything needed, had to end up reusing spring from original build though. Other than that just what I needed and cheaper than every where else. Fast shipping as always.
