BMW M3 E36 - E36 320i - E36 325i

Bronze valve guides kit for BMW:
E36 M3 3.0 - 3.2 S50B30-S50B32-S52B30-S52B32
E36 320i M50B20
E36 325i M50B25 

The valve guides of SUPERTECH manganese bronze, which is an alloy of manganese and zinc, as well as aluminum to give further strength to the material.
Manganese bronze is a high strength alloy that is used for parts that are subjected to a high stress load.
These valve guides have a high resistance to wear and are designed for a higher coefficient of thermal transfer, highly recommended for all types of preparation of high performance engines.
*Complete set of intake and exhaust.

Engines:
S50B30-S50B32-S52B30-S52B32-M50B20-M50B25 
Measure: 
OD - 12,56mm
Height: 43,30mm