Feuling 12-Point Dress-Up Fastener Kits 3040 Feuling Dress-up fastener kits for Twin Cam engines Quality 12-point hardened stainless steel bolts with a SHOW 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 preventing leaks Top engine builders demand quality fasteners! Secure your engine with complete confidence