Hurricane Motorsport heat shield for oil filter Hurricane motorsports oil filter heat shield protects the oil filter from radiant heat. It reduces heating of the oil and protects the oil filter from damage from radiant heat coming from the engine, exhaust system and other heat sources near the oil filter. Quick assembly and disassembly of the cover, it is enough to press the heat cover on to the oil filter and can be easily pulled off using the sewn on strap. Specifications: Working temperature 1000 degrees Maximum temperature 1250 degrees Inner diameter: 79mm (3.1") Height: 83mm (3.25")