Description
The HKS Forged Piston Full Kit provides the listed capacity-upgrade configuration for an engine build. Application: EJ20.
Design and operation
Increasing displacement requires a coordinated relationship between crankshaft stroke, piston dimensions and connecting-rod geometry. The stated capacity applies to the specified combination and its required machining and clearances.
Technical details
- Manufacturer part number: 21004-AF002.
- Configuration: 2.2 L
- Application: EJ20.
- Engine designation: EJ20#.
- Published build displacement: 2123.5 mL.
- Bore / pin-size designation: φ92.5 - φ23.
- Published boring / honing requirement: required.
- Package / component specification: Forged Piston Kit (Ni plating/Ovel coating) + Billet Crankshaft + H-beam Con'rod.
Installation and selection
Confirm the exact supplied-component list and any required companion parts. Engine assembly should include bore, bearing, ring-gap and clearance checks, followed by calibration for the completed combination.