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Royal Purple

Royal Purple HPS Synthetic High Performance Street 20W50 Motor Oil - 55 Gallon

$2,627.99 $2,250.99 Save $377.00

SKU: R022 37250

Special Order
Special Order
Ships in 4–6 weeks
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Non-Returnable Item

Description

Part #: 37250

Royal Purple HPS Series motor oil is specifically formulated to maximize performance and meet the demands of high performance and modified engines. HPS is recommended for vehicles no longer under manufacturer warranty and for those seeking a higher level of performance and protection.

Royal Purple HPS SAE 20W-50 High Performance Street Motor Oil

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandRoyal Purple
Part NumberR022 37250

Videos

Is Royal Purple better than Amsoil? Let's find out!

Is Royal Purple better than Amsoil? Let's find out!
What has royal purple done to my engine? Should you switch your oil to Royal purple? (Part 1)

What has royal purple done to my engine? Should you switch your oil to Royal purple? (Part 1)
Royal Purple Vs Mobil 1 Motor Oil: Which One is The Best? [2025]

Royal Purple Vs Mobil 1 Motor Oil: Which One is The Best? [2025]
Pennzoil Platinum Engine oil VS Royal purple HPS Full synthetic

Pennzoil Platinum Engine oil VS Royal purple HPS Full synthetic
Royal Purple - HPS Multi-Grade High Performance Street Motor Oil Part 2

Royal Purple - HPS Multi-Grade High Performance Street Motor Oil Part 2
Is Royal Purple really worth all the hype? 5,100 miles with Royal Purple XPR performance racecar oil

Is Royal Purple really worth all the hype? 5,100 miles with Royal Purple XPR performance racecar oil
Royal Purple 5000 Mile Results Are in - Let's Check It Out - Was it any good or Just Decent Oil

Royal Purple 5000 Mile Results Are in - Let's Check It Out - Was it any good or Just Decent Oil
Royal Purple High Performance Street The UOA samples are in and WOW

Royal Purple High Performance Street The UOA samples are in and WOW

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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