2 1/2” I.D., ram horn exhaust manifolds - they have been pressure washed in “as found” condition – removed from a Street Rod for hugger headers - No chips, welds or cracks but the passenger side has the alternator mount trimmed off as shown - good condition threads as shown – both are casting number 3797901 LH with a service replacement date of 1997 as shown - Service replacement castings for '63-'65 300 and 340HP 327 cu. in. engines with stick shift – good working condition as shown with the one side bracket trim shown