Genuine Subaru EJ207 AVCS Spec C Big Port Cylinder Head Right Hand Engine_Oil System and incorporates the later 2002+

and incorporates the later 2002+ small idler bearing

this muffler pair has been designed and engineered to fit directly onto the 2015 WRX STi

Copper washers and banjo bolts are included in this kit

Strength and reliability

Throughout the 15 year history of our RCM Gobstopper race car programme our technicians have utilised the benefits offered by dry sump oiling systems on the Subaru engine platform

Genuine Subaru EJ207 AVCS Spec C Big Port Cylinder Head Right Hand Engine_Oil System and incorporates the later 2002+Genuine Subaru Cylinder Head, as fitted as standard to the 2. 0ltr JDM Impreza Spec C 2002 2007 The JDM Spec C "big port" cylinder heads are widely regarded as the best performing OEM cylinder head case made by Subaru thanks to its enlarged port design which yields significant increases in gas flow when compared to the UK Euro EJ207 equivalent part. Compatible without modification to any Subaru EJ20, EJ22 or EJ25 blocks where the engine build utilises