The GRA2130 is a rotor arm, a key component in the ignition system of cars with 45D or 59D type distributors.
CLASSIC MINI LUCAS ROTOR ARM, DRB147 GRA2143 ROVER MINI COOPER SPI
Classic Mini Performance Centre Dash Binnacle, Rev Counter, 3x 52mm Gauges
Classic Mini Performance Ignition Leads in Works Style Yellow and Black
Classic MINI 45D Distributor & Sports Coil, Red Rotor
Classic Mini Ignition Kit MK4 1974 to 1990 45D Leads Rotor Arm Points
Classic Mini 43D4 HardCore Electronic Ignition and Distributor Performance Kit