---
product_id: 11118212
title: "Royal Purple 31520 HPS 5W-20 High Performance Street Synthetic Motor Oil with Synerlec - 1 Quart Bottle"
brand: "royal purple"
price: "€ 67.16"
currency: EUR
in_stock: true
reviews_count: 13
category: "Royal Purple"
url: https://www.desertcart.hr/products/11118212-royal-purple-31520-hps-5w-20-high-performance-street-synthetic
store_origin: HR
region: Croatia
---

# Synerlec additive boosts wear protection & horsepower 5W-20 SAE viscosity for optimal temp performance Zinc/phosphorus fortified for max engine defense Royal Purple 31520 HPS 5W-20 High Performance Street Synthetic Motor Oil with Synerlec - 1 Quart Bottle

**Brand:** royal purple
**Price:** € 67.16
**Availability:** ✅ In Stock

## Summary

> 🛠️ Elevate your engine’s game with Royal Purple – where performance meets precision.

## Quick Answers

- **What is this?** Royal Purple 31520 HPS 5W-20 High Performance Street Synthetic Motor Oil with Synerlec - 1 Quart Bottle by royal purple
- **How much does it cost?** € 67.16 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/11118212-royal-purple-31520-hps-5w-20-high-performance-street-synthetic)

## Best For

- royal purple enthusiasts

## Why This Product

- Trusted royal purple brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Synerlec Power Boost:** Proprietary additive technology enhances horsepower and torque for that extra edge on the road.
- • **Ultimate Wear Defense:** High zinc/phosphorus anti-wear formula guards your engine under extreme pressure and heat.
- • **Trusted by Enthusiasts:** Top-rated synthetic oil with 4.8 stars from 476 reviews—join the elite drivers who refuse to settle.
- • **Performance-Driven Formula:** Specifically crafted for high-performance and modified engines demanding superior lubrication.
- • **Precision Viscosity Control:** Engineered 5W-20 grade ensures smooth cold starts and peak protection at operating temps.

## Overview

Royal Purple 31520 HPS 5W-20 is a fully synthetic motor oil designed for high-performance and modified vehicles. Featuring advanced Synerlec additive technology and fortified with zinc/phosphorus anti-wear agents, it delivers exceptional oxidation stability, increased horsepower, and superior engine protection. Ideal for vehicles out of warranty, this 1-quart bottle offers a premium lubrication solution that outperforms conventional oils under extreme conditions.

## Description

Motor oil is made from crude oil and is used to lubricate, clean, and cool engines. Types of motor oil include conventional, synthetic, diesel, bio-based, hybrid (blends of conventional and synthetic), and recycled oils. Motor oil varies in weight and viscosity, as well as additives that some manufacturers add to the oil during the refining process. A numerical code system created by the Society of Automotive Engineers (SAE) grades motor oils according to viscosity, the higher the number between 0 and 60, the more viscous (thicker) the oil is. Most consumer motor oils are graded by two numbers, with the first number indicating cold weather (Winter or "W") performance. With a weight of SAE 5W-30, this oil has an SAE viscosity rating of 5 in cold temperatures and a rating of 30 at normal operating temperature. This oil is fully synthetic, meaning crude oil is not used in making it. Synthetic oil often provides superior mechanical performance over traditional motor oil, including increased gas mileage and reduced engine wear at extreme temperatures. Its complex method of production means it can often cost more than conventional motor oil. Royal Purple HPS Series motor oil is specifically formulated to maximize performance and meet the demands of high performance and modified engines. Fortified with a high level of zinc/phosphorus anti-wear additive and proprietary Synerlec additive technology, this unique blend outperforms leading synthetics and conventional lubricants. Available viscosities include 5W-20, 5W-30, 10W-30, 10W-40 and 20W-50. HPS is recommended for vehicles no longer under manufacturer warranty and for those seeking a higher level of performance and protection. Royal Purple's HPS Series of motor oil responds to increased pressure with increased viscosity. It's advanced additive technologies, such as Synerlec improves the condition of metal-to-metal contact under severe conditions for greater protection.

Review: Not a budget oil, but worth it!!! - This Royal Purple oil is straight fire! Has a premium feel, great protection, and it works like a champ under load. I used it in my Mustang and it smooths out the engine, quiets the noise, and holds up strong even in heat. No sludge or breakdown. If you want a smarter oil that works as hard as your ride, this is it. No oil leaks, and is fully synthetic. No burning smell. It’s not cheap but worth the money for sure!
Review: Great Stuff! - So i have used royal purple twice before on my 2006 Audi A3 2.0T with a dsg trans and I love it. As it is known Audi's burn some oil, not a biggie, check it every two weeks and just add a lil extra. Not with Royal Purple.I usually used to use Mobil 1 full synthetic, but both times when I used Royal Purple, I noticed some engine improvement and performance increase, not a lot, but a little bit. Let alone cold starts were smoother too, the engine has 94,000miles on it while my new trans has about 1,200 since I blew one of the clutches in the previous DSG trans lol. But using Royal Purple there is noticeable improvement from cold or warm starting, reaching rev limits, and acceleration. Plus when i do the oil change,about every 4,000 miles, i never go past 4,500 miles for an oil change which some people say u can go up to 7,000 or even 8,000 miles or somethin like that, i prefer to be safe than sorry let alone i do beat on the car often. Other than that when i got the box, each quart of oil wasnt in its own bag like another photo showed and every quart was overfilled slightly leaking out but no big problem at all, ur gonna get ur hands oily but i mean ur gonna get dirty from that oil change anyways. Other than that, Royal Purple is one of the best if not the best oils out there, if u ask any auto parts stores even they will say thats sum real good stuff. Only wish Royal Purple made filters for my car😒.

## Features

- Maximum wear protection
- Increase horsepower and torque
- Advanced protection for performance and modified engines
- Exceptional oxidation stability
- Fortified with zinc/phosphorus anti-wear additive
- Fit type: Vehicle Specific

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B007OC9JAO |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #6,158 in Automotive ( See Top 100 in Automotive ) #105 in Motor Oils |
| Brand | Royal Purple |
| Brand Name | Royal Purple |
| Compatible with Vehicle Type | high performance vehicles |
| Container Type | Bottle |
| Customer Reviews | 4.8 out of 5 stars 476 Reviews |
| Flash Point | 232 °C |
| Global Trade Identification Number | 00641330315206 |
| Included Components | Auto part, Automotive Accessories, Replacement and Performance parts |
| Item Type Name | Hps 5W-20 Synthetic Motor Oil With Synerlec |
| Item Weight | 1.5 pounds |
| Liquid Volume | 1 quarts |
| Manufacturer | Royal Purple |
| Manufacturer Part Number | 31520 |
| Manufacturer Warranty Description | Manufacturer Warranty |
| Model Number | ROY31520 |
| Number of Packs | 1 |
| Package Information | Bottle |
| SAE J300 Viscosity Grade | 5W-20 |
| Size | 1 Quart |
| UPC | 641330315206 |
| Unit Count | 32 Fluid Ounces |
| Vehicle Service Type | high performance vehicles |
| Viscosity Level | Medium to High |

## Product Details

- **Brand:** Royal Purple
- **Liquid Volume:** 1 Quarts
- **Package Information:** Bottle
- **Vehicle Service Type:** high performance vehicles
- **Viscosity:** 5W-20

## Images

![Royal Purple 31520 HPS 5W-20 High Performance Street Synthetic Motor Oil with Synerlec - 1 Quart Bottle - Image 1](https://m.media-amazon.com/images/I/71o7n6g4PPL.jpg)
![Royal Purple 31520 HPS 5W-20 High Performance Street Synthetic Motor Oil with Synerlec - 1 Quart Bottle - Image 2](https://m.media-amazon.com/images/I/71RTvHVX07L.jpg)

## Available Options

This product comes in different **Size, Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Not a budget oil, but worth it!!!
*by I***N on October 9, 2025*

This Royal Purple oil is straight fire! Has a premium feel, great protection, and it works like a champ under load. I used it in my Mustang and it smooths out the engine, quiets the noise, and holds up strong even in heat. No sludge or breakdown. If you want a smarter oil that works as hard as your ride, this is it. No oil leaks, and is fully synthetic. No burning smell. It’s not cheap but worth the money for sure!

### ⭐⭐⭐⭐⭐ Great Stuff!
*by A***. on March 22, 2016*

So i have used royal purple twice before on my 2006 Audi A3 2.0T with a dsg trans and I love it. As it is known Audi's burn some oil, not a biggie, check it every two weeks and just add a lil extra. Not with Royal Purple.I usually used to use Mobil 1 full synthetic, but both times when I used Royal Purple, I noticed some engine improvement and performance increase, not a lot, but a little bit. Let alone cold starts were smoother too, the engine has 94,000miles on it while my new trans has about 1,200 since I blew one of the clutches in the previous DSG trans lol. But using Royal Purple there is noticeable improvement from cold or warm starting, reaching rev limits, and acceleration. Plus when i do the oil change,about every 4,000 miles, i never go past 4,500 miles for an oil change which some people say u can go up to 7,000 or even 8,000 miles or somethin like that, i prefer to be safe than sorry let alone i do beat on the car often. Other than that when i got the box, each quart of oil wasnt in its own bag like another photo showed and every quart was overfilled slightly leaking out but no big problem at all, ur gonna get ur hands oily but i mean ur gonna get dirty from that oil change anyways. Other than that, Royal Purple is one of the best if not the best oils out there, if u ask any auto parts stores even they will say thats sum real good stuff. Only wish Royal Purple made filters for my car😒.

### ⭐⭐⭐⭐⭐ Best Race/Performnce oil for the Money
*by J***Y on June 12, 2017*

I have a 2007 Roush (Supercharged )with 261,860 miles on it !! been using Royal Purple since after my the 500 mile break in period - I have been using royal purple in all my cars for the last 20 years and the results have always been outstanding -I always recommend this oil if anyone asks I use the performance for my street cars and the XPR for my race cars its double the money but you get what you pay for if you look for others in the catagorie there price is very competitive and I already know it works - I have had to just recently changed the timing chain and tensioner /Guides /Phasers due to the miles but cant complain should have been done a long time ago -LOL !but other than that everything looks goods and is still going strong even added new(Ford Hot Rod Cams ) and followers and pushing even more horsepower now and that was 11,000 mile ago-changed them at 250,121 miles-all I can say the wear is always minimal and very impressive with this oil thats why I have stayed with it for so long, I use to have more wear than this at 50,000 miles using conventional oil than with this at 250,000 Miles it is 4.6 L -3V Supercharged V-8.... 488RWHP ...Supercharger has already been rebuilt once ..oh and I changed my oil every 6000 miles sometimes a little longer just depends on how busy I am you can go 10,000 they say but I would think changing it 5000-6000 keeps you getting the best protection and its done well for me. Hope this Helps!! :)

## Frequently Bought Together

- Royal Purple 31520 HPS 5W-20 High Performance Street Synthetic Motor Oil with Synerlec - 1 Quart Bottle
- Royal Purple 51520 API-Licensed SAE 5W-20 High Performance Synthetic Motor Oil - 5 Quart, (Model: ROY51520)
- K&N Premium Oil Filter: Protects your Engine: Compatible with Select ALFA ROMEO/BUICK/CHEVROLET/DODGE Vehicle Models (See Product Description for Full List of Compatible Vehicles), HP-1017

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-08-22*