Feuling
Feuling, ARP internal rocker box mount kit
Feuling, ARP internal rocker box mount kit
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Using Feuling/ARP rocker arm shaft studs and nuts helps relieve stress on the M8 cylinder heads. The factory and SE heads have a weak link with the rocker arm shaft standoffs. By using a stud some of the stress is transferred from the standoff casting into the stud. Using high lift camshafts and valve springs puts additional stress on the cylinder head making the use of this stud kit advisable to help prevent head cracking. USA made.
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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.