HKS Capacity Upgrade Kit FA24 2.5L High Comp Step 2 Piston Full Kit - 21004-AT009

Capacity upgrade kit (Step 2) that takes the FA24 from 2,387 cc to 2,498 cc (2.5L), high compression, with billet conrods.

• Piston kit: A2618 material for high-temperature strength, low pin height so no service holes are needed, 2-layer molybdenum coating, 340 g (stock 367 g)
• Step 2 conrods: dedicated billet I-beam rods for the long stroke, about 30% stronger than the Step 1 design with minimal weight gain; shot-peened, chrome-molybdenum steel, heat treated
• Dedicated crank pin size, no clearance modification to the stock block
• Forged crankshaft with dedicated pin journal size
• Bore 94 mm (stock 94 mm), stroke 90.0 mm (stock 86.0 mm), displacement 2,498 cc (stock 2,387 cc)
• Compression ratio with stock head: 12.2 with the 0.6 mm stock gasket, 11.8 with the 0.8 mm HKS grommet gasket, 11.3 with the 1.2 mm HKS grommet gasket
• Step 2 is the version listed for turbo cars that make high torque

Fits:

• Toyota GR86 / Subaru BRZ FA24 engine (HKS Japan)

HKS resources:

• Product page (HKS Japan)

Stocked and shipped from Calgary by Boost Factory.

Contact us if you are unsure of fitment or Size HERE