Sale

Oils, Fluids and Sealer› Oils, Fluids and Additives

Royal Purple

HPS 5W-30 Synthetic Engine Oil

$14.99 $12.37 Save $2.62

SKU: R022 31530

In Stock
In Stock
Ships by Aug 30
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item

Overview

The Royal Purple 31530 HPS is a synthetic motor oil designed for high-performance street applications. It features a viscosity grade of SAE 5W-30 and is fortified with zinc/phosphorus anti-wear additives.

This oil is formulated with Royal Purple's proprietary Synerlec additive technology to enhance performance and protection. It is not a break-in oil and is intended for non-marine use in 4-stroke engines.
Show original supplier description
The Royal Purple 31530 HPS is a high-performance synthetic motor oil engineered for demanding street applications, including vintage and modified vehicles. Its SAE 5W-30 viscosity grade ensures excellent flow characteristics across a range of temperatures, while its synthetic base stock provides superior lubrication. Formulated with Royal Purple's proprietary Synerlec® additive technology, this oil offers exceptional film strength, leading to dramatic reductions in engine wear and lower operating temperatures. It is fortified with a high level of zinc and phosphorus anti-wear additives, providing robust protection for critical engine components. Key specifications include a synthetic oil type, SAE 5W-30 viscosity grade, and ZDDP enhancement. The product is intended for non-marine, 4-stroke engine use and is sold in a 1-quart container. It is not a break-in oil.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

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 31530
CategoryOils, Fluids and Sealer

We’re here — turning wrenches, just like you.

Call us, follow along, or come say hi.

(760) 282-4645 Instagram Google

Buy with Confidence

Returns & Fitment

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.

View Full Return Policy

Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

View Full Shipping Policy