12-Point External Primary/Transmission Engine Fastener Kit

12-Point External Primary/Transmission Engine Fastener Kit

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.

EU: Tensile strength rated at 1172,11 MPa - Superior & Stronger than OEM & stronger than grade 8 fasteners