Much easier than I thought it would be. Moves a lot more oil than the stock one.

Great pump at very reasonable price. Melling oil pump solved my injection pressure low at idle problem and truck runs better at any speed now as apposed to stock pump. Easy instructions to flow and had it installed within two hours. Keep up the good work there at riffraff.

This is a great product and much easier to replace front main seal then the other way and you get a better Lpop than stock,when renting tools make sure to get a longer center bolt to put the harmonic balancer back on and make sure you do the cardboard in front of radiator like recommended my bolt broke being to short and stuck in the cardboard saved my radiator use thick cardboard great instructions

Clays shipping is very fast. Took a while to get this installed. I decided to replace the stock pump with the Melling as I was replacing the dampner with a fluid dampner. My old pump looked good and I have always used synthetic oil sence new, but I gained 10 pounds at idle and 15+ cruising.

Easier to install than the stock LPOP, and Riffraff's price was awesome!