Universal Water Pump Pulley Stud Kit w/ 2.750in Fan Spacer 5/16-24 Thread x 4.000in OAL Black Oxide 12

Universal Water Pump Pulley Stud Kit w/ 2.750in Fan Spacer 5/16-24 Thread x 4.000in OAL Black Oxide 12Whether youre mounting your fan directly to the water pump, or using a spacer for clearance, ARP has you covered with our 180,000 psi water pulley kits. Our kits come in 8470 or polished ARP Stainless and cover spacers up to 3. 250? in 0. 250? increments.

It is for good reason that virtually every top professional enginebuilder relies on ARP Pro Series head studs for their all-out competitionpowerplants

This procedureinvolves about ten very slight cuts and results in an exceptionallystraight part

limited rule ovaltrack competition and street use

heat-treated in-house to 190

Material: 8740 Chrome Moly

then allow the nuts to be easily installed without the worry of cross-threading

ARP main bolts are designed to meet the exacting standards and demands of professional engine builders

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

Because factory connecting rods (or aftermarket versions of OEM rods) are used in a variety of applications from rebuilt stock motors to modified powerplants used in circle track

Complete with washers and nuts where applicable

Higher Performance Series: Made of 8740 chrome moly forgings and heat-treated to 180

They’re nominally rated at 180