ARP 100-9909 Ultra Torque Assembly Lube 1.69oz Tube

$9.99

✅ 5 In Stock - Ready for Local Pickup or Shipping

✅ 5 In Stock - Ready for Local Pickup or Shipping

SKU: 672036037024 Category:
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This is not an engine or component assembly lube, it’s specifically made for ARP’s bolts and fasteners.

Because of frictional inconsistencies with oil, moly, and other lubricants it takes multiple cycles of torqueing the bolt, loosening it, and tightening it again to obtain the required preload or stretch. Typically, when a fastener is first tightened, friction is at its highest point and the preload value or stretch is low. As the fastener is cycled numerous times the friction decreases and the preload increases. This phenomenon is called “preload scatter.” With ARP Ultra Torque assembly lubricant, a fastener need only be torqued once to get within 5 percent of ideal preload, and it remains consistent through all subsequent cycles (from race-prep machining through final assembly). Moreover, given the inconsistencies of ordinary lubes, it is quite possible for adjacent head bolts or studs to have vastly different preloads. This scatter causes bore distortion, hampers piston ring seal, and leads to poor head gasket sealing.