M8 x 1.25 x 50 hex black oxide bolts

M8 x 1.25 x 50 hex black oxide boltsMaterial: 8740 Chrome Moly Finish: Black Material 2: Finish 2: Origin: USA

You’ll note that the studs have a radiused bullet nose that serves to locate the pan rails

these super-alloys are found in many jet engine and aerospace applications where heat and stress attack the life of critical components

A polished finish makes them an

and designed for use in competition engines

You won’t find abetter quality stud on the market from any other source

heat-treated in-house to 190

Measure the fastener prior to starting

And here’s ARP’s contribution to the solution

Because there are fairly wide tolerances in factory bolt holes

To provide you with required reliability and improved performance

If you have ever installed a rocker stud into a cylinder head and watched it wobble as it screwed in – you knew from the beginning that the rocker geometry was going to be inconsistent all over the place

All Pro Series bolts are cold-forged to ensure molecular integrity