Cylinder Stud & Head Bolt Kit - '17-'23 M8 Models - 900-1176Studs. 8 studs with rounded thread roots, rather than flat, improving fatigue strength. 4140 Chrome Moly studs, oil quenched and tempered to 39 44 HRC. Positive stop shoulder allows for consistent installed height. 180,000 psi tensile strength. Head Bolts. Reusable. 14% increase in strength over stock. Heat treated 8640 steel. 200,000 psi ultimate tensile strength. 8 head bolts with integral washer. Formed threads. Cold formed head. Compatible with
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product description
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Studs. 8 studs with rounded thread roots, rather than flat, improving fatigue strength. 4140 Chrome Moly studs, oil quenched and tempered to 39-44 HRC. Positive stop shoulder allows for consistent installed height. 180,000 psi tensile strength. Head Bolts. Reusable. 14% increase in strength over stock. Heat treated 8640 steel. 200,000 psi ultimate tensile strength. 8 - head bolts with integral washer. Formed threads. Cold formed head. Compatible with both MLS & graphite head gaskets.