Precision cylinder head clearance ensures compatibility with oversized studs and insert washers for optimal fit
Expert block machining repairs thread damage and restores engine foundation for reliable performance
ARP insert washer installation maximizes clamping force and durability in demanding applications
Service designed to prevent future head gasket failures and cylinder head cracks under extreme power
Ideal for both street and racing applications with high horsepower and boost levels
Summarized by Shop
For high-performance BMW / Toyota B58 engines pushing extreme power, head gasket failures and cylinder head cracks can become an issue. If your engine has experienced these problems, our B58 Oversized Head Stud Installation Service may be the solution. Designed for engines running our special oversized B58 head studs with ARP insert washe
Compatible Engines
BMW and Toyota B58 Gen 1 and Gen 2 (see applications for details)