GU01941030 Spark plug guard or fin guard. Fits all square head 2 valve models 1983-2005. Similar to original equipment on several models including: V11 Sport, V11 LeMans, Rosso Mandello, Nero Corsa, Tenni, V11 Sport Naked, Ballabio, California Special Sport Aluminium 2002. These guards are milled aluminum and roughly polished to a low luster. This CNC item replaces the original cast aluminum for a superior product.