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ARP (Automotive Racing Products) makes the strongest fasteners in motorsport — head studs, main studs, rod bolts, and flexplate bolts used by every Formula 1, NHRA, NASCAR, and championship motorsport program. Aerospace-grade alloys, exact-fit machining.
When pushing your BMW E46 M3 to its limits, the factory head bolts simply aren't enough. The ARP 201-4303 12pt Head Stud Kit is engineered to provide the superior clamping force required for high-boost or high-RPM applications. By replacing your stock hardware with these premium 8740 chromoly steel studs, you prevent head gasket failure and ensure a consistent seal under extreme thermal cycling.
Each stud is precision-machined and heat-treated to handle the intense cylinder pressures associated with forced induction or aggressive naturally aspirated builds. The 12-point nut design allows for easier access in tight engine bays while providing more accurate torque readings during installation. Whether you are building a track weapon or a street-legal powerhouse, these studs provide the peace of mind that your cylinder head will stay firmly in place. Proper installation with ARP assembly lubricant is recommended to achieve the correct preload. Trust your engine build to the industry leader in fastener technology. Find all your essential engine upgrades at GGCRACING.
| Years | Make | Model | Trim |
|---|---|---|---|
| 2001-2006 | BMW | M3 | Base |
Other popular ARP products customers consider together:
ARP (Automotive Racing Products) makes the strongest fasteners in motorsport — head studs, main studs, rod bolts, and flexplate bolts used by every Formula 1, NHRA, NASCAR, and championship motorsport program. Aerospace-grade alloys, exact-fit machining.
When pushing your BMW E46 M3 to its limits, the factory head bolts simply aren't enough. The ARP 201-4303 12pt Head Stud Kit is engineered to provide the superior clamping force required for high-boost or high-RPM applications. By replacing your stock hardware with these premium 8740 chromoly steel studs, you prevent head gasket failure and ensure a consistent seal under extreme thermal cycling.
Each stud is precision-machined and heat-treated to handle the intense cylinder pressures associated with forced induction or aggressive naturally aspirated builds. The 12-point nut design allows for easier access in tight engine bays while providing more accurate torque readings during installation. Whether you are building a track weapon or a street-legal powerhouse, these studs provide the peace of mind that your cylinder head will stay firmly in place. Proper installation with ARP assembly lubricant is recommended to achieve the correct preload. Trust your engine build to the industry leader in fastener technology. Find all your essential engine upgrades at GGCRACING.
| Years | Make | Model | Trim |
|---|---|---|---|
| 2001-2006 | BMW | M3 | Base |
Other popular ARP products customers consider together:
