Perfect and neat looking holder to carry a spare set of four spark plugs for your vintage VW or Porsche Produced from a solid block of billet aluminium and supplied with stainless steel hardware ready to mount in your engine bay. Designed to hold M14 x 1.25 spark plugs Dimensions approx. 103mm x 25mm x 25mm spark plugs not included Choose from either fully polished or anodized black.