Royal Purple Synchromax Synthetic Manual Automatic Transmission Fluid

Protects transmission very well compared to other brands. A lil more expensive but worth it in my opinion.

I needed this Transmission fluid for my engine rebuild...could get it faster through Walmart than maximum auto sports. same price, faster delivery.

Really smoothed out the shifting on my Jeep wrangler TJ.

improved the feel of my shifting. I dont know anything else about this product. I've heard amsoil also has really good transmission fluid.

I've driven about 600 miles since changing the transmission oil in my 98 Cobra using Royal Purple Synthetic oil. Previously when shifting from neutral to first I could feel a very small lurch in the drive train, since changing the oil that has disappeared.

The only oil my manual 91 ford f250 likes with the power it delivers

perfect for my 2009 mustang v8 manual trams i love it ❤️

great mt fluid.

Didn't notice any changes at all after installing Royal purple

After Having a clutch changed in my 2004 Dodge SRT-4, I decided it was time to also change the transmission fluid. Being a manual trans, I researched what Dodge put in there from the factory, and it ended up being automatic transmission fluid, specifically ATF+4. Now, reading the side of the bottle of the Royal Purple fluid, it says that it covers all manual transmissions that use automatic transmission fluid as the lubricant. Not so. In my particular case, after 200 miles with this in there, it damaged my syncros, because the syncros in the T-850 5 speed transmission have a fiber facing. It destroyed them. I now have grinding in all gears. I'm the original owner of the car...been driving it almost every day for 10 years, and I've NEVER had grinding in ANY gear up until I used this. Upon advise from a transmission shop that specializes in SRT-4 transmissions, I got the fluid out of there asap. But now, I have to replace all my syncros because of this to the tune of about $1500. I feel Royal Purple owes me a transmission rebuild.