Gr1 Gr2 Gr5 titanium valve seat
specificate: M5 M6 M8 x 50-60mm
ASTM,JIS,AMS
ISO9001:2000
bright surface
Gr1 Gr2 Gr5 titanium valve seat
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Gr1 Gr2 Gr5 titanium valve seat
specificate: M5 M6 M8 x 50-60mm
ASTM,JIS,AMS
ISO9001:2000
bright surface