Description
HKS FA24 Short Block 2.5L High Comp Step 2
Product Overview: HKS FA24 Short Block 2.5L High Comp Step 2 is an engine assembly/component intended as the mechanical foundation for a higher-performance or replacement powertrain build. This listing is structured around the exact HKS product/SKU so shoppers can match the component to the intended vehicle or build without relying on a generic product-family description.
Vehicle Application: 2022-2026 Subaru BRZ/Toyota GR86 (ZD8/ZN8)
Driver Benefit: A purpose-selected engine foundation gives the builder a known starting point for power, durability, and supporting-system planning.
Recommended Use: Best suited to advanced engine builds where internal configuration, intended power level, fuel system, cooling, turbo/supercharger setup, and calibration are being selected as a complete package.
Technical & Fitment Notes
- Use the HKS part number/SKU as the primary reference when confirming exact configuration and installation requirements.
- Professional installation is recommended when the component affects engine operation, suspension geometry, braking, fuel delivery, or other safety-critical systems.
- Original catalog note: HKS FA24 2.5L HIGH COMP short block with 2.5L stroker. This kit allows you to enjoy the stroker kit more easily as the block is preassembled by HKS. Step 2 is recommended for Forced Induction. Features: - Forged high-compression pistons for higher strength. - Allowable torque has been increased by adopting high-strength I-beam connecting rods. - *STEP2: Machined connecting rods - Forged crankshaft for strength and reliable increased stroke. - Highly durable connecting rod bearings are used. SHORT BLOCK FA24 2.5L HIGH COMP Specifications: - Piston: HKS Forged Hi-Comp Piston - Conrod: Step 2:HKS Machined I-Beam - Crankshaft: HKS Forged Crank - Main bearing: Stock - Conrod bearing: ACL - Bore: HKS: 94.0mm / Stock: 94.0mm - Stroke: HKS: 90.0mm / Stock: 86.0mm - Displacement: HKS: 2,498cc / Stock: 2,387cc Comp. Ratio (Stock Cylinder Head - NOT Included) - Gasket Thickness (mm): Comp. Ratio: -
Fitment and specifications can vary by HKS part number, model year, trim, transmission, drivetrain, and market. Confirm the SKU and application before ordering, particularly on modified vehicles.