Idler gear shim .132/33″ a+ (no colour)

These are the later A+ type spec which rover superseded to when upgrading the idler gear material on injection cars.see workshop manual for shimming details.Quantity required per gearbox is 2 but idler gear requires shimming for correct clearance 3-6 thou as per workshop manuals but 3 thou for road and 4 thou for race is found to be reliable see following DAM4822132-133″DAM4823134-135″DAM4824136-137″[link]DAM4825[/link}138-139″