The F41 bridges the gap between the 38mm and 44mm units. It has a unique 4 bolt design that is backwards compatible with the old TiAL F40 wastegate. This is the perfect wastegate for those that need a bit better diaphragm to valve ratio over the 44mm. The F41 is no longer in production, after the current stock is depleted no more will be made.
Included with every Tial F41:
F41 Assembly
F41 Valve Seat
2 TiAL Air Fittings
8 SS Allen Head Bolts and Washers
Specifications: