Semi-Synthetic Assembly Lube

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Semi-Synthetic Assembly Lube

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Lucas High Performance Assembly Lube is designed for mechanics and technicians to pre lube bearings, cams, lifters and valve train. The Semi-Synthetic formula contains ZINC, MOLY and other high pressure additives which offer maximum protection during engine break-in. Super slick and easy to use, Lucas High Performance Assembly Lube will eliminate dry starts and prevent seizing galling and scuffing.

Key Benefits

  • Eliminates Dry Starts
  • Perfect For Engine Building
  • Use To Pre Lube Bearings, Cams, Lifters and Valve Train
  • Prevents Seizing Galling and Scuffing
  • Compatible With All Oils
  • Super Slick and Tacky
  • Prevents Breakdown During Long Term Storage
  • Contains ZINC, MOLY and Other High Pressure Additives
  • Easy To Use


  • #10152 - 118ml (Case of 12)
  • #10153 - 236ml (Case of 12)


Technical Data Sheet Technical Data Sheet
Safety Data Sheet Safety Data Sheet

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John Lindley is happy about his Mercedes Benz with Lucas Power Steering Stop Leak

I own a 2000 Mercedes S500 sedan.  About 3 months ago, its powering steering pump made loud squeaking sound and my MB mechanic told me the hose leaks after checking it out.  Rather than replacing the power steering unit which could easily cost me more than a $1000, he gave me a 1-liter bottle of the German Febi power steering fluid to periodically add it to the reservoir.  After a few weeks, it didn't stop the slow leak, so I switched to 4 different U.S. brands of steering fluids, tried a little bit of each, and still the slow leak continued.  Then about 3 weeks ago, I read about the Lucas stop leak and bought a 32-oz. container of your stuff.  The first things I notice about the Lucas fluid is, (a) it's thick and gluish; (b) the pointed tip of the Lucas container is very convenient to pour, unlike the other brands which I have to use a funnel.  I started adding the Lucas fluid into the reservoir a few squirts at a time, daily for about a week, making sure not overfilling it, checking the dipstick twice each time.  Then I stopped adding the fluid for one week, but continued checking the fluid level.  Lo and behold, the leak stopped!  And I still have about 3/4 of the Lucas bottle left.  The steering works fine now and I continue to enjoy the smoothness and prestige of the Mercedes S500 luxury sedan.  Thanks, Lucas, you've saved me a bundle! 

Happy Guy in San Francisco, CA
John Lindley

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