Mr Wiki says:
Brock began publicly supporting and, eventually, began to fit to all Holden Dealer Team specials a device called the "Energy Polariser" containing crystals and magnets in an epoxy resin that, it was claimed, improved the performance and handling of vehicles through "aligning the molecules".[10] The device was based on the principles of orgone pseudoscience.[11] The "Polariser" is being sold once more in an official HDT, Brock tribute upgrade pack