<p>Description Warranty Information SWAG Performance Heavy Duty Head Stud Kit f its 89-98 Dodge 5.9 12V Cummins Diesel Engines ***FITS 12 VALVE ENGINES ONLY*** **WILL NOT FIT 24 VALVE ENGINES** Tested at 220,000+ PSI Tensile Strength Rocker arms must be machined or replaced with pre-machines rocker arms in order to install any cylinder head stud on a 12 Valve Cummins Engine. Our Head Stud material properties allow for far greater tensile strength compared to 8740 chromoly steel head studs. Threads are rolled after heat treatment for optimum fatigue strength. Our heavy-duty studsclamping strength prevents cylinder heads from lifting under extreme conditions. SWAG Performance HD Head Studs have been rigorously lab-tested in the USA and are guaranteed strong! 12V Torque Specs 30 MONTH WARRANTY</p>
Description Warranty Information SWAG Performance Heavy Duty Head Stud Kit f its 89-98 Dodge 5.9 12V Cummins Diesel Engines ***FITS 12 VALVE ENGINES ONLY*** **WILL NOT FIT 24 VALVE ENGINES** Tested at 220,000+ PSI Tensile Strength Rocker arms must be machined or replaced with pre-machines rocker arms in order to install any cylinder head stud on a 12 Valve Cummins Engine. Our Head Stud material properties allow for far greater tensile strength compared to 8740 chromoly steel head studs. Threads are rolled after heat treatment for optimum fatigue strength. Our heavy-duty studsclamping strength prevents cylinder heads from lifting under extreme conditions. SWAG Performance HD Head Studs have been rigorously lab-tested in the USA and are guaranteed strong! 12V Torque Specs 30 MONTH WARRANTY
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