400052LU ROTOR ARM CLOCKWISE TOP VIEW DK4A D2A4 DKY4A DKYH4A 23D4 25D4 ESSEX AEC679 GEAR TACHO DRIVE For

AEC679 GEAR TACHO DRIVE For Austin Healey 100/6 BN4 BJ7

L359 GEAR DISTRIBUTOR DRIVE 10 TOOTH For MG T Series TB TC TD TF

425049 DISTRIBUTOR CAP 2 CYL 18D2  Vertical entry Fits many British twin cylinder motorcycles of the late 1950's early 1960's

410601 DRIVE DOG Plain 1"diameter 1/8" Mills pin hole

Original Lucas NOS New Old Stock

400052LU ROTOR ARM CLOCKWISE TOP VIEW DK4A D2A4 DKY4A DKYH4A 23D4 25D4 ESSEX AEC679 GEAR TACHO DRIVE For400052LU ROTOR ARM CLOCKWISE TOP VIEW DK4A D2A4 DKY4A DKYH4A 23D4 25D4 LUCAS ORIGINAL Made in 1970's New old stock (NOS) Was previously 405469 this earlier style with rear facing counter balance and no internal security clip was used until 1960 Latterly the design was improved the counter balance dispensed with and an internal spring tension clip added Resulting in a tighter fit on the top of the points cam and less tendency to tip at high RPM