Alfa 33/Alfasud/Sprint/145/146 Boxer engines head screw set. This is a head screw set specific for the Boxer 8V engines with hydraulic or mechanical tappets dating from 1972-1996. Usually the head bolts lose their properties over time resulting in poor tightening characteristics when the engine is dismantled and repaired.
Sold in set of 12 screws; original part number 60503001.
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