Feuling Dress-up fastener kits for Twin Cam engines Quality 12-point hardened stainless steel bolts with a Show Polished corrosion-resistant finish Includes Primary cover bolts, Derby cover bolts, Inspection cover bolts, Transmission top cover bolts, Transmission bearing housing bolts, Clutch release cover bolts, Speed sensor and Engine to transmission mounting bolts 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. Eliminates thread problems associated with chromed hardware Tensile strength rated @ 170,000 psi - Superior & Stronger than OEM & stronger than grade 8 fasteners Manufactured by ARP to Feuling exact specifications Kits include moly assembly lubricant for installation