Feuling, High Load Beehive valve spring kit. .750" lift - 99-17 Twin Cam with Screamin' Eagle heads with 5/16" valve stems with std. keeper and .530" diameter valve guides (NU) 970184 Will not influence the oem

Will not influence the oem detachable Tour-Pak® ability to move from fully forward to backwards

Used to mount most Mustang passenger seats on bikes equipped with Mustang solo seats

include gasket and mounting hardware

Complete kit including the mount bar

Feuling, High Load Beehive valve spring kit. .750" lift - 99-17 Twin Cam with Screamin' Eagle heads with 5/16" valve stems with std. keeper and .530" diameter valve guides (NU) 970184 Will not influence the oemFor Screamin' Eagle heads. Installed pressure 217lbs@1. 789", open pressure & height 415lbs@1. 215", coil bind@1. 125". 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 collars, titanium upper collars, shims, keys and Viton seals.