S&S Cycle Cylinder Stud and Head Bolt Kit for 2017–2023 Harley-Davidson M8 Motorcycles (900-1176)

Description

Cylinder Stud & Head Bolt Kit – ’17-’23 M8 Models
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

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