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Royal Purple 31140

High Perf Street 10W40 1 Quart

Royal Purple 31140
Royal Purple® Rebate
Expires on December 31, 2017

Purchase at least 5 quarts of Royal Purple HPS Motor Oil and get a Royal Purple T-Shirt Free!

View All Royal Purple HPS Oil

831-31140

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Royal Purple 31140 High Perf Street 10W40 1 Quart $8.30
High Perf Street
  • 10W40
  • 1 Quart

  • Specifications:

    Oil Volume (qt.)
    1
    Oil Weight
    10W40
    Quantity
    Sold individually
    ZDDP Enhanced
    Yes
    Oil Type
    Synthetic
    Manufacturer's Part Number:
    31140

    Royal Purple HPS street motor oils offer several reasons and advantages to maximize performance in your gas or diesel engine. How about reduced heat, friction and wear on your engine? Or, improved fuel economy, lower emissions and longer engine component life? High performance street oils can even help on mornings when you've got to cold start your engine! Royal Purple HPS is fortified with advanced additive technology - zinc/phosphorus anti-wear additives and Synerlec - to surpass many other oils. Increased pressure is met with increased viscosity to meet the demands of your modified engine with a higher level of performance and protection.

  • Elevated zinc/ phosphorous content
  • Ideal for flat tappet valvetrains
  • High alkalinity for extended life
  • Outstanding film strength
  • Exceptional oxidation resistance
  • Proven horsepower and fuel economy benefits
  • Additional Information

  • 31140 - Royal Purple HPS Street Motor Oil is rated 5.0 out of 5 by 9.
    Rated 5 out of 5 by from Royal Purple HPS I purchased HPS Royal Purple for use in my 63/64 big block classics. It is outstanding oil and provides the type of protection needed for cars that area high compression, high torque/hp equipped and driven on a limited basis. HPS pays off when your car sits for a couple of weeks and that critical layer of protective oil has slowly dripped off critical surfaces. HPS binds to these surfaces and start up is easier and I am not concerned about that initial higher idle. It does its job, worth the cost. Can't beat JEGS free shipping and delivery. I always keep HPS on hand in my garage for my out of warranty cars.
    Date published: 2015-09-10
    Rated 5 out of 5 by from Royal Purple Synthetic SUPER OIL's We don't run anything BUT ROYAL PURPLE, Even the New Car 2014 Ford Explorer has the SN RATED RP 5W20 oil in it. Used Ford's oil for first two Oil Changes and then went to RP. Have in In Two Race Cars, One with a 427 BBC on Alcohol, XPR 10W40 and the other a 572 BBC Injected Alcohol XPR 10W40, Cat Diesel in Motorhome with a Flat Tappet Cam use the HPS 10W40 for the Protection that we used to get from our old Rotella T before they took all the Zinc and additives out. The RP is the Slickest OIL I have ever used and when Brake Cleaner and Lacquer thinner won't cut it, It is GOOD STUFF. No more DRY STARTS after using it. Forgot to mention Even use the HPS 10W30 in our Exmark KOHLER 30Hp Air cooled Engine, and the Four Wheeler. Everything. There is that PEACE of MIND know that everything is getting the Best Lubrication possible.
    Date published: 2015-09-20
    Rated 5 out of 5 by from Great for street/strip car I have a street/strip car and needed the extra Zinc for my solid roller cam. Other racing oil weights are too heavy. So this gives me a synthetic, Zinc and is a great compromise.
    Date published: 2015-02-15
    Rated 5 out of 5 by from Great deal This is great oil for a modified engine. It seems to run smoother and quieter. If you have put money into your engine, why put cheap oil in it?
    Date published: 2015-06-14
    Rated 5 out of 5 by from Royal Purple HPS Great oil, use this oil in both my El Camino and my SS Chevelle, cant get any better than this.
    Date published: 2017-03-30
    Rated 5 out of 5 by from Best oil!! I studied this product before i used it. Found it to be the best oil system on the market.
    Date published: 2015-06-14
    Rated 5 out of 5 by from Royal Purple 10w40 HPS Street Motor Oil Great oil with zinc for our 1986 K5 Blazer with a SBC 406 and Jet Boat with a AMC 360
    Date published: 2016-09-15
    Rated 5 out of 5 by from
    Date published: 2016-09-07
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