ARP Ultra-Torque Fastener Assembly LubricantIntroducing the ARP Ultra Torque Fastener Assembly Lubricant Looking for the best engine assembly lube? Say goodbye to preload scatter and inconsistent friction. With ARP Ultra Torque assembly lubricant, achieve perfect preloads with just one tightening, within 5 percent of the ideal value. No more need for multiple torquing cycles. This high quality lubricant remains consistent from race prep machining to final assembly, providing optimal