Description
ARP BMW 2.5L M20 Head Stud Kit
201-4305
Socket Size(s) 12mm 12pt, 4mm Allen
So why ARP?
ARP has been designing and manufacturing race fasteners since 1968, they have mastered the design process of automotive bolts, they are a well known brand in the racing industry.
History of ARP
ARP has been designing and manufacturing race fasteners since 1968, they have mastered the design process of automotive bolts, they are a well known brand in the racing industry.
When you upgrade the performance of your M20 engine, many times you will exceed the capabilities of the factory hardware. ARP has the solution for you. Made out of premium grade 8740 chromoly, these studs have a strength rated far superior to OE and “aircraft” quality bolts. This material is heat treated to provide a tensile strength in the 200,000 psi range and is an excellent choice for building your high revving all motor, or forced Induction application.
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