S&S
S&S, rocker arm tower stud & nut kit (8-pk)
S&S, rocker arm tower stud & nut kit (8-pk)
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Includes studs & 12-point nuts. Heat treated 8640 steel. Black oxide coating. Replacement for the stock rockerarm shaft to rocker arm tower bolts. The one time installation of these studs help prevent damage to the aluminum rocker arm tower bolt threads and consequent damage of rocker arms coming loose. Especially advised when running high lift cams. Heat treated 8640 steel with a black oxide finish. Offers a 14% increase in material strength over stock bolts. 5/16-16 UNC to 5/16-24 UNF threaded.
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Why buy from Forty5°
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Verified compatibility
Every part we ship is checked against your bike's platform, year, and engine. If it doesn't fit, we tell you before you check out.
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Workshop installation
Book a serviceHave us fit it. Book installation at parts intake — same-day on most jobs, master techs only.
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Founder-led aftersales
Get in touchQuestions after fitment? You'll speak to the people who installed it. We answer email and WhatsApp seven days a week.