have 1 clynder valve covers ,now i need the other cly. covers/ these are the 3 piece style -lower piece #174-30c also fits 30-36 big twin / middle cover #174-30c fits 30-36 big twins also /upper is 37 only#173-37 its 1 21/32 tall the earlyer cover is 1 13/32 tall/ somebody must have a set ? need for 2 valves only /// also looking for correct brake shackle+stud for 1937 ulh