Description
Factory main bolts can’t handle the stress of high-RPM engine building, forced induction, or sustained performance driving. ARP’s chromoly stud kit replaces those weak points with fasteners engineered to maintain clamping force under extreme cylinder pressure and thermal cycling. Whether you’re building a reliable street engine or a competition-ready Small Block Ford, these studs provide the margin of safety that keeps your engine intact.
Technical specifications:
- 4130 Chromoly construction
- 2-Bolt main compatible
- Small Block Ford fitment
- Black Oxide finish
- Includes hex nuts
- Bolt-on installation
- MPN: 154-5401
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