1965-1966 Corvette Master Cylinder with Power Brakes 100% Factory Correct Late 1965 and all 1966. These brand new GM Restoration Part units are correct in every way including the correct GM Part # 5467005, correct casting # 5467084, 7/16" x 24 thread, even our caps feature the correct amount of yellow haze and correct markings. We also offer Julian Dating stamping to make it official and correct for your Corvette. These genuine Delco master cylinders are a direct factory replacement for your 1965-66 Corvette with Power Brakes and truly worthy of any restoration.  For Julian Dating Please Include Build Date from Trim Tag, VIN, or Date You Would Like Stamped in "Order Notes".  Please Allow 2 Weeks for Julian Dating.