HKS Forged Piston Kit 92.5mm

HKS Forged Piston Kit 92.5mm
  • 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.

GK t=1.4 ε=8.0[GC8ver.III~VI]/GK t=0.7 ε=8.1[GDBï½¥BE5]

Nickel Plating, Molybdenum Coating

HKS put all their know-how knowledge into engine parts from the data they have acquired from the drag race, round race, time attack and drift race. The HKS team provide Engine tuning ranging from Camshafts, Pulleys, Pistons and Rods to Timing Belts, Pump Upgrades and even Head Gaskets. The concept behind HKS engine products was to produce something the customers would truly be happy with.

This product is compatible with the following vehicles

Vehicle Make Vehicle Model Vehicle Variant From To Engine Notes
Subaru Impreza Turbo 1994 1999 EJ20 2.0L - 4WD Petrol
Subaru Impreza 1995 1999 EJ20 2.0L - 4WD Petrol
Subaru Impreza Turbo 1999 2000 EJ20 2.0L - 4WD Petrol
Subaru Impreza P1 1999 2000 EJ20 2.0L - 4WD Petrol
Subaru Impreza 1999 2000 EJ20 2.0L - 4WD Petrol
Subaru Impreza 2000 2003 EJ20 2.0L - 4WD Petrol
Subaru Impreza WRX 2001 2001 EJ20T 2.0L UK300 - 4WD Petrol
Subaru Impreza WRX 2002 2003 EJ20T 2.0L - 4WD Petrol
Subaru Impreza STi 2002 2003 EJ20T 2.0L - 4WD Petrol
Subaru Impreza GX 2003 2005 EJ20 2.0L - 4WD Petrol
Subaru Impreza STi 2003 2005 EJ20 2.0L - 4WD Petrol
Subaru Impreza WRX 2003 2005 EJ20 2.0L - 4WD Petrol
Subaru Impreza STi 2004 2004 EJ20 2.0L WR1 - 4WD Petrol
Subaru Impreza WRX 2004 2004 EJ20 2.0L WR1 - 4WD Petrol
Subaru Impreza WRX 2005 2005 EJ20 2.0L Prodrive - 4WD Petrol
Subaru Impreza STi 2005 2005 EJ20 2.0L Prodrive - 4WD Petrol

Whether it is engine, exhaust, suspension, or drive-train systems, there is no substitute for the performance, quality and reliability of HKS. Part-Box/Co-ordSport are an approved distributor for HKS performance and tuning products.

For over 35 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 35+ years.


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  • Product Code: 21003-AF002
  • Availability: In Stock
  • RRP: £1,380.00 (incl. Tax)
  • Ex Tax: £1,150.00

Tags: HKS-Forged-Piston-Kit-92.5mm