RB26 HKS Forged Pistons STEP 2 86.00mm – Uncoated



RB26 HKS Forged Piston Kit STEP 2 86.00mm -2103-RN020 – Uncoated.

HKS forged piston set with deeper vale pockets for Step 2 camshafts

  • Forged piston target clearances are different for each engine. Please check the instruction manual or contact your dealer for details.
  • Compression ratio data is based on normal head with no modification and should be used for reference only.

* Spare modification may be required depending on individual cylinder block specification.

Since its beginning, HKS has been committed to providing well-integrated, reliable, and environmentally sound performance systems. Mr. Hasegawa’s strong leadership, engineering genius, creativity and willingness to listen to customers are the pillars of the company’s success. Monitoring consumer reaction and input on issues pertaining to material quality, external appearance, sound quality, and of course, performance, HKS stays in tune with automotive enthusiasts’ needs. Moreover, HKS’ products are designed to be user friendly for easy installation.

Today the automotive aftermarket industry is filled with start-up companies following in HKS’ footsteps. None, however, can match the depth of engineering or manufacturing resources available to the talented, highly motivated, and dedicated employees of HKS.

For over 45 years, HKS products have been put to the test in drag racing, road racing, rallying, and top speed trials. HKS equipped vehicles have captured numerous racing championships and hold claim to a myriad of competition records using many “off the shelf”, race proven HKS components. As a result, HKS has been synonymous with “performance” in the automotive aftermarket industry for the past 40+years.


With our 100,000 sq. ft., state-of-the-art manufacturing and R&D facility at the foot of Mount Fuji Japan, HKS is certain to stay in the lead of tomorrow’s technology and manufacturing race and continue our “race on Sunday, sell on Sunday” philosophy.

HKS Europe, established in 1996, reaffirmed HKS’ commitment to global sales and customer support. Based in the United Kingdom, HKS Europe is able to reach customers across all of Europe, Russia and South Africa with localized knowledge of the market demands which differ from region to region. HKS’ presence in the UK allows HKS to stay at the pinnacle of automotive engineering both on and off the race track.

HKS has matured into a publicly-traded company with an international sales and distribution network spanning Asia, Europe, Australia and the Americas to support its rapidly growing and ever-loyal worldwide customer base. The reason is simple: Whether it is the engine, electronics, suspension, or drive-train systems, there is NO substitute for the performance, quality, and reliability of HKS.

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