Product images and videos 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.
Oils, Fluids and Sealer› Oils, Fluids and Additives
MAXIMA RACING OILS
Maxima Performance Auto RS1550 Full Synthetic 15W50 Engine Oil - Gallon
SKU: M05Q 39-329128
Overview
This oil resists mechanical breakdown and viscosity loss, offering superior engine cleanliness and protection for critical components under heavy loads and high temperatures.
Show original supplier description
Part #: 39-329128
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.
Motor Oil - RS1550 - High Zinc - 15W50 - Synthetic - 1 gal Bottle - Set of 4
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
| Brand | MAXIMA RACING OILS |
| Part Number | M05Q 39-329128 |
About MOTORMIA
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 PolicyShipping
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.
Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.
View Full Shipping Policy