Easyboost 5mm reed valve spacer for Minarelli horizontal engines

A larger displacement will need a larger intake tract. This can be achieved by placing this Easyboost 5mm Reed Valve Spacer under your reed block.It is made in France, laser-cut from HQ steel, and then electrogalvanized to prevent rusting. Screws for mounting are included.   Compatible with the following models: ApriliaArea 51 LC, Gulliver 50cc AC, Gulliver 50cc LC, Rally 50cc AC, Rally 50cc LC, SR 50cc AC (1994 - 1997) - Minarelli horiz., SR 50cc LC (1994 - 1997) - Minarelli horiz., SR 50cc Netscaper LC - Minarelli horiz., SR 50cc Racing LC (before 2000) Minarelli, SR 50cc Stealth LC - Minarelli horiz., SR 50cc WWW AC (after 2000) Minarelli engine, SR 50cc WWW AC - before Minarelli engine, Scarabeo 50cc AC (after 1998), Scarabeo 50cc AC (before 1998), Sonic 50cc AC, Sonic 50cc LC Benelli491 50cc GT AC (before 2003) - Minarelli horiz., 491 50cc RR LC (before 2003) - Minarelli horiz., 491 50cc RR Replica LC (before 2003) - Minarelli horiz., 491 50cc ST LC (before 2003) - Minarelli hor