Design Engineering Titanium XL Protect A Boot Spark Plug Boot And Wire Protection offer the latest in thermal protection technology for spark plug boots and wires. Manufactured from woven, stranded lava rock. Titanium Protect A Boots can withstand temperatures up to 1800 deg F (982 deg C) and are resistant to abrasion, chemicals and other contaminants. They are a universal fit and are suitable for most straight or angled boots.High heat protection for spark plug lead bootsPrevents burning, cracking, melting or hardening of the boots due to excess heatXL size 2" (52mm) longer than standard protect-a-bootsUniversal fitting, suitable for straight or angled bootsNo restricting steel ring, ideal for LS V8'sSold in packs of 2 or 8 and are 8" in length