Outfront Motorsports FB25 BRZ Hybrid Closed Open Deck 550 Shortblock WRX 2015-2021 Hardware to bolt the bare

Hardware to bolt the bare engine block to the bare trans-axle

22433AA58A

Please verify vehicle compatibility in Confirmed Applications

Graded in 0

5:1 Forged Pistons Par Number 359153 but Other Options are Available) ·

Outfront Motorsports FB25 BRZ Hybrid Closed Open Deck 550 Shortblock WRX 2015-2021 Hardware to bolt the bareWant to build a 2. 4l out of your FA20 engine in your BRZ FR S? Look no further. This hybrid shortblock developed by us in 2016 is the perfect answer. This block utilizes an FB25 case, FA20DIT Crankshaft, and a custom Forged piston to match up with your FA20 AA20 heads from your BRZ FR S and keep your compression ratio the same as stock 12. 5: 1 With a larger bore, this FB25 hybrid block will give you huge gains in Displacement, torque, and response.