Detailed Product Description
Supply valve seat and valve guide for CUMMINS B3.3.
Valve Seat
Material: High Chrome Molybdenum Cast Iron Alloy.
Its the advanced technology introduced from UnitedKidom Institute of
internal-combustion engine and the latest formula developed by Shanghai
internal-combustion engine institute under the actual situation of China.
Function:1)High attrition endurance,
2)High temperature endurance
3)High erosion endurance.
4)Can be used 150--300 thousand kilometre.
REMARKS:The normal valve seat is made by Powder mMllurgy.
Just can be used 30--50 thousand-kilometre.
Valve Guide
Material: High Phosphor Cast Iron Alloy
Its developed by Fabbrica Italiana Automobile Company and adopt formula
of valve guide from NanJing New Daily Automobile Company.
Function:1)High attrition endurance,
2)High temperature endurance
