157-4301 | ARP Rover 3.9L-4.6L V8 with 10 Bolt Heads - Head Stud Kit
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Head Stud Kit
Rover 3.9L-4.6L V8 w/10 bolt heads
Socket Size(s) : 5/8 12pt, 3/16 Allen
When you upgrade the performance of your Rover 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.