Outfront Motorsports FB25 BRZ Hybrid Closed Open Deck 550 Shortblock Hardware For high horsepower applications

For high horsepower applications

GT45/GTX45

Mounting Stud Gap (Centre to Centre) 136

This Block Is Our Base Non Closed Deck (Semi Closed) EJ257 Long Rod Short Block With Forged Internals

Outfront Motorsports FB25 BRZ Hybrid Closed Open Deck 550 Shortblock Hardware For high horsepower applicationsWant 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.