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Most applications have undercut short bolts that can help eliminate head gasket failures through providing more “stretch” to compensate for the additional compression of gaskets
SPE251K 060
they are more resistant to flex and will provide a more positive seating
the tip of the valve stem must withstand a tremendous amount of pounding
Small Block Ford Windsor 289-302 2 Bolt Main Stud Kit Product Option:Small Block Ford Windsor 289-302 2 Bolt Main Stud Kit Most applications have undercut shortAeroflow Performance main studs are designed to keep your main caps in placed and stop them walking and fretting which can lead to engine failure. These studs are preferred over bolts as they allow you to obtain more accurate torque readings. These main studs are manufactured from aircraft quality 8740 high tensile strength chromoly steel and cold forged to ensure molecular integrity within the stud. Meaning these studs are rated up to 190,000 psi
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