High Perf. Full Set Rocker Arm Studs for 3/8˝ with roller rockers Fits most stock SBChevy with 7/16

High Perf. Full Set Rocker Arm Studs for 3/8˝ with roller rockers Fits most stock SBChevy with 7/16Higher Performance Series: Made of 8740 chrome moly forgings and heat treated to 180,000 psi. Excellent for E. T. Bracket Racing, limited rule oval track competition and street use. 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. ARP rocker studs are concentric within . 005 T. I. R. thread pitch to

which makes for amore consistent clamping force – and one that compensates forhead gasket compression when the cylinder heads are installed

000 psi tensile strength material where noted

which is substantially stronger than the OEM bolts

NOTE: Not to be used with OEM-style

These features combine to enable ARP shafts to handle the added torque requirements of increased capacity oil pumps or heavy viscosity lubricants

Our kits come in 8470 or polished ARP Stainless and cover spacers up to 3

marine and drag racing engines – including those with superchargers and/ or nitrous oxide injection systems – ARP offers replacement rod bolts in three different models

It costs a lot more to do it this way

ARP’s Pro Series rocker arm studs are made of premium grade 8740 chrome moly steel and heat-treated to a tensile strength of 190

ARP’s timing cover bolts are available in both polished stainless steel or black oxide finish chrome moly

000 psi for the ARP2000® material

It’s important to note that lesser quality studsare not even centerless ground – the material is thread rolled inbar stock form (mostly before heat-treat