Black Oxide 10-PC Pack SAE Special Purpose Washers w/ Chamfer

Black Oxide 10-PC Pack SAE Special Purpose Washers w/ ChamferA true high performance washer from ARP, available in a variety of sizes and thicknesses, and with or without I. D. (inside diameter) chamfers. Our special purpose washers are constructed from either premium chrome moly with a black oxide finish or polished ARP stainless steel and are hardened and parallel ground. For example, our 3 8? I. D. washers, come in five different O. D.s, three thicknesses and two are in ARP stainless. Special connecting rod

premiumgrade aerospace chrome moly steel

which gives themabout 2000% (that’s twenty times) better fatigue strength thanthose studs that are threaded prior to heat-treat (a very commonindustry practice)

Special ARP Pro Series NASCAR type stud kits have one of the studs drilled to facilitate sealing the carburetor in the engine by race officials

Finish: Black

Studs and bolts come either black oxide chrome moly or polished ARP Stainless

Available in black oxide finish 8740 chrome moly or polished stainless steel with hex or 12-point nuts

The parts are CNC machined from solid aluminum billet (6061) or 1018 mild steel

Nuts not included

That’s whythe fastener experts at ARP have developed special bolts that are far superior to OEM hardware

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

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

Both are nominally rated at 180