Ultimate Performance. The Fuji Racing 11mm Head Stud Kit is expertly engineered to deliver superior engine performance and unparalleled reliability. The 11mm studs offer a direct fit for all subaru EJ20 EJ22 EJ25 cylinder blocks without the need for machine work, they are also compatible with standard OEM gaskets & Fuji Racing head gaskets. No modification is needed to the cylinder heads for these either. In high-performance applications, especially at elevated boost levels, the integrity of the cylinder head attachment is critical. A robust clamping system is essential to prevent the cylinder heads from lifting off the engine block under extreme conditions, which can lead to catastrophic engine failure. This head stud kit is constructed using high-quality materials and features precision-engineered threads and a reinforced design to withstand the immense stresses associated with high horsepower. By utilizing this 11mm head stud kit, builders can ensure a secure and stable fit for their cylinder heads, ultimately providing peace of mind while pushing their engine to its performance limits.
