ARP 12-Point Rocker Box Fastener Kit / '99-'17 Big Twin

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Top engine builders demand quality fasteners! Secure your engine with complete confidence. Fueling engine fastener kits for Twin Cam engines Quality 12-point heat treated 8740 chro me moly steel bolts with black oxide 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 Tensile strength rated @ 170,000 psi - Superior & Stronger than OEM & stronger than grade 8 fasteners Manufactured by ARP to Feulings exact specifications Kit includes moly assembly lubricant for installation Made in the U.S.A. Show more