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Pistons

HKS has many options to expand the potential of your engine. The following sections describe the various options available.


Forged Piston Kit + Connecting Rod Sets

HKS Forged Piston & Connecting Rod Set Expand the full potential of engine tuning by Forged Piston Kit + Connecting Rod Set

The piston and connecting rod set for strengthening the engine and have more tuning possibility. It's designed for Supercharger tuning too. We have designed to have a good balance of the connecting rod's toe and heel to install without the modification of stock crank.


Capacity Upgrade Kits

HKS Piston Capacity Upgrade For drivers who just need "more power and more torque", HKS have designed a series of capacity upgrade kits to suit each engines characteristics. Increased displacement offers more torque at lower engine speeds and by using the highest quality materials, the durability required for high levels of tuning is achieved. Nickel coated pistons which have strong anti-knocking properties combined with fully counterweighted crankshafts and high strength connecting rods (rods optional in some kits) combine to extract maximum performance from the turbocharger and increase torque.


Forged Piston Kits

HKS Forged Piston Kit

  • 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.

Piston Ring & Piston Pin

HKS Piston Rings & Pins

  • Piston Ring Set and Piston Set are available as spare parts for overhaul.
  • Select appropriate set referring to the application chart below.

Connecting Rods

HKS Connecting Rods

  • Connecting rod set / Connecting rod (For one)