These are reinforced screws between engine head and monoblock. For high pressure you surely need them!!!
Viti rinforzate tra testa e monoblocco in 10×1,25mm. Per preparazioni spinte sono indispensabili!!!
DETAILS
Prigionieri 9 mm – Reinforzed screws 9 mm
Prigionieri 10 mm – Reinforzed screws 10 mm
INSTALLATION
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