⢠Feuling Dress-up fastener kits for Twin Cam engines ⢠Quality 12-point hardened stainless steel bolts with a "SHOW" polish corrosion-resistant finish ⢠Feature precision rolled threads for optimum engagement, to prevent galling and promote more consistent torque loading. ⢠Wide underhead flange design provides even load distribution for optimum sealing of surfaces â preventing leaks. ⢠Top engine builders demand quality fasteners! Secure your engine with complete confidence. ⢠Eliminates thread problems associated with chromed hardware ⢠Tensile strength rated @ 170,000 psi â Superior & Stronger than OEM & stronger than grade 8 fasteners ⢠Manufactured by ARP to Feulingâs exact specifications ⢠Kits include moly assembly lubricant for installation ⢠Made in the U.S.A. Qty. 12 Stainless 12 point bolt 5/16 â 18 x 3.000" Qty. 2 Stainless Washer 5/16" Qty. 1 Stainless 12 point 5/16 -18 x 3.750" For use on CVO engine cases center bolt - Fitment: 99-17 Twincam Softail(NU)