HKS Short Block 2.5L FA24 High Comp Step 2 - 2022-2024 Toyota GR86 / Subaru BRZ

HKS Short Block FA24 2.5L High Comp - Step 2

New FA24 2.5L HIGH COMP short block is now available. With 2 options both NA tuning and forced induction tuning are supported. This kit allows you to enjoy the stroker kit more easily. Designed for maximum performance and compatibility, this exclusive HKS Short Block FA24 2.5L High Comp - Step 2 is the ultimate choice for your 2022-2024 Subaru BRZ or Toyota GR86. 

DETAILS

Pistons

Uses high-temperature A2618 material to prevent second land breakage and eliminate the need for service holes. 2-layer molybdenum coating reduces friction. Piston head cavity optimizes direct injection atomization. 3D piston crown shape maintains tumble flow. Uneven piston head shape supports high-lift camshaft use.

Connecting Rod

• Provide a dedicated high-strengthened billet connecting rod for the long stroke. Any clearance modifications to the stock engine block are unnecessary because of a specially designed crank pin.
• Optimized wall thickness based on strength analysis. Achieved approximately 30% increase in strength, which minimizing weight gain.
• I-beam shape was selected to increase the buckling strength.
• Manufacturing by the billet to makes it possible to ideal thickness shape and eliminate the damaged starting point on the surface. The surface is also exposed to a powerful shot penning process to improve fatigue strength.
• Optimum heat treatment is performed on the chrome-molybdenum steel to enhance its strength and toughness.

Crankshaft