FEULING PARTS Fastener Kit - External Primary/Transmission - 12-Point - XL 3063

Fastener Kit - External Primary/Transmission - 12-Point - XL
Tensile strength rated @ 170,000 psi - superior & stronger than OEM & stronger than grade 8 fasteners, Features 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., Manufactured by ARP® to Feulings® exact specifications, Kit includes moly assembly lubricant for installation, Quality 12-point heat treated stainless steel, Made in the USA, Not for '23 models with 121" VVT motors.