Fidanza 04-09 STi Aluminum Flywheel 2013-subaru-impreza-wrx Radiused coolant and oil galleries

Radiused coolant and oil galleries for improved flow and less foaming/turbulence

MLS gaskets are ideal for both aluminum heads to aluminum blocks and aluminum heads to cast iron blocks

0L comes with a high flow stainless muffler and two 4" angle cut rolled polished SS tips

The pistons are matched to IAG-Spec Tri-Beam connecting rods with ARP 625+ rods bolts

Fidanza 04-09 STi Aluminum Flywheel 2013-subaru-impreza-wrx Radiused coolant and oil galleriesFidanza 04 09 STi Aluminum Flywheel whether it be in overall balance, critical clearances or improved design, our flywheels are built for performance. Machined from the highest quality 6061 T6 or 2024 T3 aluminum, each flywheel is manufactured to deliver optimum tensile strength, heat dissipation and weight reduction, without going too light and causing poor idle and driving issues like some of the ultra lightweight competitors. We aren't always the