540 550 RC EP Motor Alloy Vented Heatsink Silver Side Clutch 3 Shoe Inner diameter is 35mm by

Inner diameter is 35mm by 29mm wide

This is the backplate included

Included is: 1 x exhaust is 180mm long end to end - 1 x manifold is 60mm long - 2 x blue gaskets - 3 x short springs - 1 x long spring

These wheel hexes feature locking screws secured by an allen key (included)

Measures 43mm end to end (furthest) (measured on 2 arms end to end)

540 550 RC EP Motor Alloy Vented Heatsink Silver Side Clutch 3 Shoe Inner diameter is 35mm byWill fit most 540 550 motors. Inner diameter is 35mm by 29mm wide. The heatsink can have a fan mounted onto it. Drill holes have been tapered to fit the following fan measurements: M3 3mm metric thread. To fit a 24mm between centers fan (measured as if measuring one flat side of a square) 4 screw holes. 24mm apart (e. g. top right to top left fixing holes). Images copyrighted by BlackSmith Products Ltd.