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HKS ADD-II Engine Oil Additive 200ml for Mazda RX-8 (Series 1 & 2, 2003-2012)

Organic molybdenum-based engine oil additive designed to reduce friction, improve engine response, and help protect internal components from wear, especially during dry starts.

HKS ADD-II Engine Oil Additive 200ml helps Mazda RX8 owners build a more premium, more considered oil-service package by complementing quality engine oil and filtration rather than trying to replace them. HKS is one of the most trusted names in Japanese performance engineering, and that helps give buyers confidence that this is a thoughtfully developed support product, not just a bottle with marketing claims.

  • Premium Japanese oil additive formulation supports a more serious service routine
  • Useful companion to quality engine oil and filters in a premium maintenance package
  • 200ml bottle size suits enthusiasts wanting a purposeful add-on rather than bulk generic additive
  • Trusted HKS brand pedigree adds confidence in quality and engineering intent
  • Best used as a supporting product, not a shortcut within a proper oil-service routine

You will gain a more thought-through and more premium oil-service package, especially when pairing it with quality oil and filtration choices.

To complete the oil-service package, consider pairing this with the R-MAGIC Racing Energy Oil and the GREDDY TRUST Oil Filter.

Additional information

RX8 Model

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SKU HK-OAD-S1S2 Categories , Types , Brand:

Related RX8 Upgrades

This engine oil additive is one of the best Mazda RX-8 upgrades you can make to your Series 1 (2003-2008) or Series 2 (2009-2012). Oil additive upgrades are among the top Aftermarket mods you can buy from HKS for owners who want better performance and reliability from their RX8. If you are looking for rx8 engine oil additive for sale in Brisbane (QLD), Sydney (NSW), Melbourne (VIC), Canberra (ACT), Adelaide (SA), Darwin (NT) or Perth (WA), you’ll find high-quality Japanese Engine upgrades at RX8 Upgrades.