ULTIMATE CLUTCH SCREW (2pcs.) exhaust with the following characteristics:

with the following characteristics:

TWORKS 10mm Shim Washer Set ( 0

Hot plugs promote better idling and acceleration

and to limit as much as possible the rebound gain that normally happens after each run

Thanks to its conical shape

ULTIMATE CLUTCH SCREW (2pcs.) exhaust with the following characteristics:This is the Ultimate Racing clutch screw. Made of high quality steel and laser engraved. Designed with dual head, the inside is 3mm Allen and the outside is 5. 5mm hex so you can use a nut driver wrench. This gives you two easy ways to remove the clutch screw and a redundant option in case one of the two is damaged. The diameter is 10mm to completely cover the front clutch bearing.