Lucas Oil10631 SAE 30 Racing Engine Break-in Oil - 5 Quart

Excellent break-in oil! Perfect for new engines or rebuilds. Provides great lubrication and protects critical components during the initial run-in period. No issues with viscosity breakdown, and it helps seat rings properly. Convenient 3-pack sizing. Highly recommended for motorcycle, small engine, or classic car break-ins. Will definitely buy again!

Why did you pick this product vs others?:Excellent break-in oil perfect for new engines or rebuilds, offering great lubrication and protection for critical components during the initial run-in period. It prevents viscosity breakdown and aids in properly seating rings. The convenient 3-pack sizing is a plus, suitable for motorcycle, small engine, or classic car break-ins. A top choice for ensuring a smooth start for your engine. Will certainly purchase again.

Pontiac 455 flat tappet break in went perfect. Cam survived and still running a month later.

Excellent value

I used the SAE 30 Break-In Oil for the first time on my new engine, and I'm really impressed. It’s a high-quality oil that provided excellent lubrication during the break-in period, and I feel confident that it helped protect the engine from unnecessary wear. The consistency is great, and it’s easy to pour and work with.

It provided excellent lubrication during my engine's break-in period, ensuring smooth operation. The oil maintained its viscosity well, and my engine runs more efficiently now.

Great stuff for breaking in new motors. Used it on a Chevy 383 stroker break-in. Quality product would recommend and will use again.

Worked well as break in oil for a crower cam in a SBC