http://www.royalpurple.com/motor-oil-hps.html
Just noticed this on the RP site.
Quote:
Royal Purple HPS Series motor oil is specifically formulated to maximize performance and meet the demands of high performance and modified engines. It is fortified with a high level of zinc/phosphorus anti-wear additive and Royal Purple’s proprietary Synerlec® additive technology. This unique blend enables HPS to outperform leading synthetics and conventional lubricants.
Seems they are filling the gap between their API approved and XPR lines.
On a side note, their products have oddly shown up at a local regional medium box store. I will probably e-mail the purchasing dept and ask what prompted this.
Sorry if this has been posted before.
-T
Just noticed this on the RP site.
Quote:
Royal Purple HPS Series motor oil is specifically formulated to maximize performance and meet the demands of high performance and modified engines. It is fortified with a high level of zinc/phosphorus anti-wear additive and Royal Purple’s proprietary Synerlec® additive technology. This unique blend enables HPS to outperform leading synthetics and conventional lubricants.
Seems they are filling the gap between their API approved and XPR lines.
On a side note, their products have oddly shown up at a local regional medium box store. I will probably e-mail the purchasing dept and ask what prompted this.
Sorry if this has been posted before.
-T