Maxima Performance Auto RS1550 Full Synthetic 15W50 Engine Oil - Gallon

• Maxima's RS1550 is a high-performance, full-synthetic, triple ester racing engine oil is engineered for peak performance while providing ultimate protection under the most severe conditions. The extensively developed formulation combines unique esters and proprietary friction-reducing additives with advanced anti-wear and extreme pressure agents to ensure optimal power output and wear resistance. Regenerative, shear-stable polymers maintain viscosity and film thickness, preserving the power and longevity needed to beat the competition.
• World-class, proprietary additive system and esters combine to virtually eliminate oxidation and wear
• Surface-active chemistry aggressively attaches to engine surfaces and keeps them clean
• Shear stable, regenerative polymers maintain oil viscosity and film thickness
• Advanced anti-wear and extreme pressure additives for flat tappet cams
• Enables maximum torque and power output

Sold as

Pack of 4

Shipping weight

32.3 lb

Package size

17.6 × 11.9 × 9.3 in

Salto part #

mxa39-329128

Maxima part #

39-329128

In stock. Ships in 2–4 business days by ground.

Ground shipping is $14.95, free on orders over $150. Stock is checked again before your card is charged.

Ground only: no air or expedited shipping on this part.

Is it in stock?

Yes — it’s in stock right now. We check again the moment you order, before anything is charged.

How fast will it get to me?

Usually 2–4 business days by ground.

Will it fit my machine?

There’s no published vehicle fitment list for this part. Call the counter at 801-361-3010 with your year, make and model and we’ll check it with you before you order.

Is this genuine Maxima?

Yes. It’s new and genuine, straight from Salto — Maxima part #39-329128.