Feuling
Feuling, Econo beehive valve spring kit. .585" lift
Feuling, Econo beehive valve spring kit. .585" lift
Impossible de charger la disponibilité du service de retrait
Steel top collars. Installed pressure 183lbs@1.760"; open pressure & height 380lbs@1.250"; coil bind@1.180". Direct replacement; installs without machining or rocker box clearancing. High tensile chrome silicone wire with a shot-peened heat treatment and a super NexTex® finish. Kits include springs; lower & upper collars; shims; keys and Viton® seals. Compatible with stock 7mm diameter valve stems.
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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.