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Mini TITANIUM Fuel Pump Studs with titanium nuts and stainless washers

This pair of Titanium fuel pump studs go at the back of the engine.

One one side of the stud is 5/16 UNC (coarse) thread, which screws into the engine block and on the other end of the stud is 5/16 UNF (fine) thread, which takes a 5/16 UNF nut.

A standard steel stud weighs 16g, a titanium stud weighs 9g, giving you a weight saving of 14g for two studs.

N.B. To get the old studs out use two old nuts. Screw them both onto the thread, then using two spanners tighten the nuts against each other. Using a spanner on the bottom nut, unscrew the stud. Use the same technique to put the new stud in the hole.