Royal Purple · New
Royal Purple HPS Synthetic High Performance Street 10W40 Motor Oil - 55 Gallon
MPN 37140 · Store SKU rlp37140
Supplier stock checked 11/7/2026, 10:00:22 PM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Oversized / freight item — shipping is quoted separately. Free shipping does not apply. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
Royal Purple HPS oils are fortified with a high level of zinc / phosphorus anti-wear additive and a generous dose of Royal Purple's proprietary Synerlec additive technology. These unique formulations enable HPS oils to outperform leading synthetic and conventional lubricants in both gasoline and diesel engines. 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 10W-40 High Performance Street Motor Oil
Manufacturer fitment & guides
Check 37140 against the manufacturer’s application information below.
Part-specific notes
- Ground shipping only.
- Freight shipping required.