Each cover is precision checked for proper placement of seal and dowel pins to avoid leaks like the other off-center brands. The reinforced cam thrust timing cover features a .090 inch thick wear plate welded into place which provides a positive cam stop as well as stiffens the timing cover to stand up to severe loads. This timing cover uses the short, late model style cam button. Each cover is checked for proper placement of seal and dowel pins to avoid leaks.