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ARP Ultra-Torque Fastener Assembly Lubricant

Today's critical - head studs and bolts, main studs and bolts, and driveline - have been designed stronger than ever before to handle the extreme loads. As a results, installation pre-loads - the amount the fastener is stretched during installation - are very high.

Fastener Assembly Lube Basics

There are a lot of opinions out there about which fastener assembly lube to use and what the torque value should be. First, let's be clear: ARP provides torque specs for our fasteners based on using ARP Ultra-Torque. If you're not using our specs and our lube, you have no real idea what pre-load you're getting. We've done the testing where we can measure the torque applied and the resulting pre-loads. We've tested with our lube and the others people use...and we've got the results to back it up.

ARP Ultra-Torque Detail Paper
Technical Support
You can always call us with your questions, but you can use these resources to try and find an answer first.






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" Phone Hours: M-F 7:30a-4:30p PST
800-826-3045 or 805-339-2200

We Take Quality Seriously

ARP achieved ISO 9001 and AS9100 registration in 2009. These registrations represent ARP's unwavering dedication to producing quality fasteners, continually improving our quality management system and delivering total customer satisfaction.