The 5 Best engine rebuild lubricants (2023 reviews)

It is important to have the well suited engine rebuild lubricant. In the following post, we will help you to select the best engine rebuild lubricants.

Our review process: Show/Hide

Our Top Picks:

ARP assembly Lube Buy: READ REVIEW

ARP engine rebuild lubricant Buy: READ REVIEW

Red Line engine rebuild lubricant Buy: READ REVIEW

Royal Purple engine rebuild lubricant Buy: READ REVIEW

Torco engine rebuild lubricant Buy: READ REVIEW

ARP assembly Lube

Buy on Amazon

The arp assembly lube's material feels more premium than its price would suggest. If you are assembling an engine that has been cleaned well and are using clean dry fasteners, you should use this product. It can be used on several engine torque applications without any problems. You can use this assembly lube with torque to yield bolts as it is designed to provide accurate torquing. It reduces the friction on a bolt to zero. The supplied brush is nice for application as well. It will last almost forever and also will last for a long time. You can use this lube for any fastener to get more consistent torque readings.

• A must for arp bolts or any other bolts that require torque
• Delivers what they promise

ARP engine rebuild lubricant

Buy on Amazon

Best part: arp engine rebuild lubricant costs comparatively low and it is available to ship in 24 hours. If you need a lube for bolt threads and under the bolt head for torquing things down, this is a really good product, it's from ARP, and doesn't get any better than that. This torque lubricant has been tested and provides the most accurate final torque and stretch for bolts and studs by reducing friction on the threads. It is supposed to twist and the plunger in the end retracts when you twist it. This is great to use on any fasteners to make sure you get the proper torque.

The aluminum heads really will own your steel bolts if you don't use this "anti-seize" on the bolts. You will need this when torquing down head bolts or any other bolts that require lube.

• Good brand reputation
• New and hot release

Red Line engine rebuild lubricant

Buy on Amazon

If you want nothing but the best reliable lubricant, then red line engine rebuild lubricant is the one you should definitely consider, as it manages to bring a lot to the table. This assembly lube is specifically designed to provide superior protection during engine assembly and other high. It provides 3x greater film strength than conventional black molybdenum disulfide greases. It helps you get the right amount of sealant for your needs. It's a good camshaft break-in lube as well.

This tub could probably be used for 5 or 6 engine builds. It allows for long-term storage to add to that includes an easy to use hand pump with volume scale for specific application requirements.

• Real slick, snap back operation, stiffness gone
• Delivers what they promise

Royal Purple engine rebuild lubricant

Buy on Amazon

Not everyone likes to purchase lubricant for their daily purpose, but the royal purple engine rebuild lubricant would be an anomoly. There are some great oils out there that you can run, both synthetic and non-synthetic, for a high-mileage application. This assembly lube will dissipate into your regular oil soon after start up the first time. It sticks, so when drilling underneath a car chassis it will stick to the bit and not fly off. It stays in place and the engine runs smother.

This stuff is slippery yet sticky at the same time. It leaves a tough film that does well to protect internals during a new engine start up.

• Great stuff a must have for any engine building
• Shows no signs of wear during break in
• Thick, sticky oil perfect for assembly/pre-lube
• Essencial assembly lube to provide protection against wear in the first cranck

Torco engine rebuild lubricant

Buy on Amazon

If you often find yourself scrambling for appropriate and satisfactory lubricant, torco engine rebuild lubricant should be your first option for buying. The MPZ Spray Lube is a complete engine and mechanical component assembly lubricant in an easy application aerosol. It is completely oil soluble and also it is a complete engine and mechanical component assembly lubricant in an easy application aerosol.

• One of the new comers and featured product
• Delivers what they promise