540 550 RC EP Motor Alloy Vented Heatsink Red Side Nitro Engine Glow Plugs Parts are plastic unless otherwise

Parts are plastic unless otherwise stated in the title

50mm x 50mm - width x length

Newly designed with even stronger grip handle

The shell is 450mm long and 200mm wide and 120mm high

540 550 RC EP Motor Alloy Vented Heatsink Red Side Nitro Engine Glow Plugs Parts are plastic unless otherwiseWill 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.