RB INOVATONS COOLING CLUTCH PLATE FOR 1/5TH SCALE ENGINESStop burning up your clutches from excessive overheating. This hybrid clutch plate features machined fan blades to force air over the clutch to cool and pro-long the clutch life. This will work with any stock 54mm clutch on a CY or Zenoah vented or non vented housing. (Clutch not included) Use on any 1/5th scale application including; HPI Baja 5B/T, Losi 5IVE & others Features CNC Machined from Aircraft grade aluminum Machined from billet aircraft aluminum. Weight 26 grams (stock 22 grams) Integrated heat sink Clutch plate for 54mm clutch Zenoah and Chung Yang engines. - CY23 CY26 CY27 CY29 GP290 Zenoah G230 260 240 270 290RC Engines Fits as direct replacement to the stock parts.