Description
The HKS Piston Full Kit provides the listed capacity-upgrade configuration for an engine build. Application: FA24.
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-AT009.
- Configuration: 2.5 L / Step 2 / High Compression
- Application: FA24.
- Engine designation: FA24.
- Published build displacement: 2,498 mL.
- Bore / pin-size designation: Φ94-Φ22.
- Published boring / honing requirement: not required.
- Compression ratio: 12.2 with the published t=0.6 mm gasket configuration.
- Package / component specification: Forged piston kit, billet I-beam connecting rod, and forged crankshaft.
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.