Reinforced Engine Head Screws

These are reinforced screws between engine head and monoblock. They are produced with lathe at the CNC (10×1,25mm or 12X1,25mm). The lock washers are 4mm (thick)

Viti o prigionieri rinforzati tra testa e monobloco in 10×1,25mm o 12X1,25mm realizzate al tornio controllo numerico. Le rondelle hanno uno spessore di 4mm.