- Quality 12-point heat-treated 8740 chrome 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 and stronger than OEM and stronger than grade 8 fasteners
- Manufactured by ARP® to Feuling's® exact specifications
- All kits include moly assembly lubricant for installation
- Made in the U.S.A.
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