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

Black Oxide 10-PC Pack Metric 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

All of them are substantially better than the stock OEM and most aftermarket bolts

Drive pins are rated 190

while the bolt kits come with washers

Pro Series main bolts are application-specific

and meet theARP “ZERO defect – ZERO failure” quality standard

and monitor overall length during installation

Most applications have undercut short bolts that can help eliminate head gasket failures through providing more “stretch” to compensate for the additional compression of gaskets

or use the chart on page 25 of thiscatalog for ARP fasteners

originally developed for NASCAR competition

These pump drives feature a CNC milled (not broached) hex

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

Camshaft positioning is critical on overhead cam engines and ARP makes sure that the cam towers are properly secured through use of these durable bolts and studs