Intake&Exhaust Engine Valve For C70 Motorcycle

The intake valve controls mixed gas flow into the cylinder
exhaust valve controls flow of hot gas which is produced in cylinder

Model: C70

Material

COMMON QUALITY: IN: 4Cr10Si2MO

EX: 5Cr21Mn9Ni4N

HIGH QUALITY: IN: 5Cr21Mn9Ni4N

EX: 5Cr21Mn9Ni4N

MODEL C-70

OEM No. 14711-087-000

CODE No. EM-MV060253

TYPE IN

HARD DIA (mm): A 25.00

STEM DIA (mm): B 5.50

LENGTH (mm): C 64.50

REMARKS: 087-010/089-000/035-000

 

Manufacturing Process:

Upset ForgingFriction WeldingHeat TreatmentStellite Depositing Machining GrindingFinishing

Manufacturing structure: Mono-metal; Bimetal ( Tip-water&Mid-welding); Tri-metal.

Head Diameter: 20MM-100MM

Stem Diameter: 4MM-20MM

Total Length: 30MM-300MM

Technology: Hard chrome plated; Salt bath nitrided; Seat&Tip Stellited.