Pro Series Rocker Arm Studs for With roller rockers and stud girdle These parts have a shank portion

Pro Series Rocker Arm Studs for With roller rockers and stud girdle These parts have a shank portionIf 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. ARP rocker studs are concentric within . 005 T. I. R. threadpitch to thread pitch. They run in straight and true. Lengths are exact designed to provide positive seating every time. An extralarge radius base offers greater resistance to flex. Available

A premium grade 8740 alloy chrome moly steel is used to manufacture ARP High Performance connecting rod bolts

enabling the sleeve to float

Increased material strength overcomes valve train harmonics and stress

square drive forged into bolt head

L19 is a very high strength material compared to 8740 and ARP2000 and is capable of delivering a clamp load at 260

To ensure that the damperis locked in position

NPT -6 thru -20 AN

It is the most accurate wayto determine the correct pre-load in the rod bolt

These premium grade bolt and stud kits are engineered to properly engage the engine block threads and resist loosening

Available in both High Performance and Pro Series kits

with ARP’s exclusive (and patented) Wave-Loc technology providing substantial benefits

Best of all it is less expensive and expected to soon replace MP-35 as the material of choice in the high strength