HPI optional heat sink engine mount is constructed of aluminum. Purple in color. Machined aluminum is durable and helps dissipate heat much faster. This product includes one aluminum engine plate. One left finned heatsink engine mount. One right finned heatsink engine mount. Four 4mm x 12mm socket head cap screws. Four 3mm x 15mm socket head cap screws and instructions.

Removal of original engine mount and installation of new mount