STI VO Competition Engine Mounts Main Bolt 21311AA103

21311AA103

It also provides the rotational inertia required to smooth the engine power pulses and dampen the torsional vibrations

Manufacturer Part No: 806325020

5th drive gear for 6-speed manual transmissions with trans ID codes starting with "TY856"

Mounting bolt patterns for direct fitment with all EJ20 and EJ25 TGV variations

STI VO Competition Engine Mounts Main Bolt 21311AA103WRC PROVEN ENGINE MOUNTING STI VO (Variant Option) Group N engine mounts were developed between STI and Prodrive for severe duty rally and other competition use. Proven performance through years of torture testing in the World Rally Championship (WRC). These mounts are a re design of the factory mount with reduced rubber volume and a much stiffer overall design. Engine mount brackets are thicker than standard to further stiffen the mounting. Meets