85mm Intake / 11

in the garage

Precision TIG-welded joints and heavy-duty stainless v-band flanges deliver lasting durability and performance even under the harshest conditions

002" increments by alternating shim combinations

With a reputation for quality and innovation

B38 Main Stud Kit by ARP Piston Ring 85mm Intake / 11The BMW B38 engine is compact, turbocharged, and capable of impressive performance, but its factory main bolts are a weak point when power levels increase. The ARP Main Stud Kit upgrades your B38 engine with race proven studs, providing superior clamping force, block stability, and protection under extreme conditions. Key Benefits of ARP Main Studs for the B38: Uniform Clamping Force: Ensures even pressure across main bearing caps for precise crank