{"product_id":"hamilton-cams-1989-1998-dodge-ram-2500-3500-5-9l-cummins-12v-performance-beehive-valve-springs-155-lb","title":"Hamilton Cams 1989-1998 Dodge\/Ram 2500\/3500 5.9L Cummins 12V Performance Beehive Valve Springs (155 lb)","description":"\u003cp\u003eThese 155 lb conical beehive springs include retainers and locks for 12-valve Cummins builds with moderate cams and stock-size valves. Review the installed-height specifications; larger valves, more lift or operation above 4,500 RPM may call for the dual spring kit.\u003c\/p\u003e\u003ch2\u003e\u003cstrong\u003eConical Beehive Valve Springs (155 lbs Seat Pressure) – Retainers \u0026amp; Locks Included\u003c\/strong\u003e\u003c\/h2\u003e\u003cp\u003eUpgrade your 12-valve Cummins valvetrain with our \u003cstrong\u003eConical Beehive Valve Springs\u003c\/strong\u003e, delivering \u003cstrong\u003e155 lbs of seat pressure\u003c\/strong\u003e to keep valves firmly under control up to \u003cstrong\u003e4,500 RPM\u003c\/strong\u003e or \u003cstrong\u003e65 lbs\u003c\/strong\u003e of boost\/drive pressure. This conical design offers enhanced stability for \u003cstrong\u003emoderate cams\u003c\/strong\u003e and \u003cstrong\u003eOEM-size valves\u003c\/strong\u003e.\u003c\/p\u003e\u003ch3\u003eWhy Conical Beehive Springs?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved Valvetrain Control\u003c\/strong\u003e: Reduce valve float and reversion, critical issues when boost and RPM levels rise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower-Boosting Potential\u003c\/strong\u003e: Customers have reported \u003cstrong\u003e10–12 HP gains\u003c\/strong\u003e when switching from 60 lb springs to our beehives, thanks to consistent valve seal and reduced reversion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigher Seat Pressure (155 lbs @ 1.880″)\u003c\/strong\u003e: Ensures valves won’t be forced open by intake or exhaust pressures, safeguarding against damage and power loss.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConical Shape for Stability\u003c\/strong\u003e: The latest spring design improves harmonic damping, leading to smoother, more reliable operation at higher RPM.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRetainers \u0026amp; Locks\u003c\/strong\u003e: Ready to install for most 12-valve Cummins configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptional Locks\u003c\/strong\u003e: Increase your \u003cstrong\u003einstalled height by .075″\u003c\/strong\u003e if needed for specific build requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eInstallation \u0026amp; Considerations\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRPM Range\u003c\/strong\u003e: Perfect for builds up to \u003cstrong\u003e4,500 RPM\u003c\/strong\u003e with mild-to-moderate cam profiles and stock-size valves.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhen to Upgrade\u003c\/strong\u003e: If you exceed \u003cstrong\u003e4,500 RPM or .360″ lift\u003c\/strong\u003e aftermarket cams, or use \u003cstrong\u003elarger valves\u003c\/strong\u003e, consider stepping up to the \u003cstrong\u003eDual Spring\u003c\/strong\u003e kit for added safety and control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCombat Valve Float \u0026amp; Reversion\u003c\/strong\u003e: Keep harmful exhaust gases out of the intake stroke, preserving combustion quality and maximizing power.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hamilton Cams","offers":[{"title":"Default Title","offer_id":44961051443242,"sku":"HC07-S-001","price":389.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/8305\/files\/S-001_9fedb5af-f41a-4ae2-9a8c-6cae79ea2d37.jpg?v=1792094666","url":"https:\/\/fassmotorsports.com\/products\/hamilton-cams-1989-1998-dodge-ram-2500-3500-5-9l-cummins-12v-performance-beehive-valve-springs-155-lb","provider":"FASS Motorsports","version":"1.0","type":"link"}