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The new Turbo head studs with the M12 thread are finished along with the new through bolts. The ones show are for the 996 and 997 engines. The 911 engine versions are coming. These now add to the std 911 head studs we have. Both are made from SS and use the Titanium nut and washer. These are less affected by temperature as are steel nuts and washers.
The through bolt kit is for both the early 911 and the later 946/993 engines. There are two lengths. I feel this is a better alternative to the solid dowels. These are made from Titanium to help lower the weight. The studs at the #1 main are also changed and the early ones have the M11 thread and the later the M10 thread.
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