The BRP/Ski-Doo E-TEC Dial Indicator Adaptor (Part #529036132) is an OEM specialty service tool designed for Rotax E-TEC snowmobile engines.

It holds a dial indicator in the spark plug hole to precisely measure piston position, allowing mechanics to accurately find Top Dead Center (TDC) for ignition and engine timing procedures.

Part Number 529036137 is an OEM Injector Retainer Plate manufactured by BRP (Bombardier Recreational Products). It is specifically designed for Ski-Doo snowmobiles to securely hold and lock the fuel injectors in place on the engine assembly.