1/2 inch stud kit for 13b rotary engines  x 16

with standard factory 10mm thread for the front plate 

studs are made for high tensile steel 

kit consists of 

16 studs

16 washers 

16 o ringed washers 

studs have a hex head on the rear for fastening 

Can also supply 1/2 inch UNF front and rear thread stud kit for 13b engines 

with ARP nuts and washers  if needed message us for price  

For all other Mazda rotary parts please visit our eBay store or see our other listings