This is an aluminum distributor blanking plug for any fiat SOHC engine as fitted in Fiat X19, 128, Strada or Yugo. Use this cap to plug the distributor hole in the block if you are fitting a crank-fire (distributorless) or cam-driven ignition system. Custom made from billet aluminium, this unit is made specifically for SOHC engines and has an integral o-ring seal.