This DEI kit includes everything you need to protect spark plug boots and wires from harmful under-hood heat. Each Protect-A-Boot and Wire Kit contains all the benefits and features of DEI's Protect-A-Wire spark plug wire sleeving packaged with color matched DEI Protect-A-Boots and hi-temp shrink tubes. This cylinder kit will optimize your under-hood protection against radiant heat while adding a professional finished look to your spark plug wires.