Subaru 75mm Heat Treated Crankshaft - WRX & STI 1998-2005 (V4-V8) EJ20 TRD Mugen's FL side skirt set

Mugen's FL side skirt set fits directly over the factory side sills

allowing you to open your window slightly when it rains

if you use a 34704 pump you will be fine with -10AN lines

but only Alpha Series Valves feature specially designed valve head profiles to optimize airflow

This ensures that all your Turbosmart components are installed correctly and securely while allowing easy access when needed

Subaru 75mm Heat Treated Crankshaft - WRX & STI 1998-2005 (V4-V8) EJ20 TRD Mugen's FL side skirt setOriginally introduced in November 2002 this crankshaft was a factory fit component on all Japanese Domestic Model vehicles. For many years the crankshaft was supplied balanced, cross drilled and finished with a nitride hardening offering good potential as a budget tuning component. In 2013 the crankshaft was superceeded and both the cross drilling and nitride hardening ceased to be included in the manufacture, instead being replaced with a more cost