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

Includes outer primary cover, inner primary cover outer front bolts, derby cover, inspection cover, shifter lever, transmission top cover, transmission bearing housing and transmission clutch release cover. Includes Loctite for installation.