GSC Power Division S1 Billet Performance Camshaft Kit STi V7 - V9 Non DBW Silicon Hoses_Air Box Hoses particularly under acceleration and hard

particularly under acceleration and hard cornering

Koyo & Aisin to formulate our range

The Power Intake is basically maintenance free

Genuine Subaru rear thrust crankshaft as found fitted in EJ25 engines

GSC Power Division S1 Billet Performance Camshaft Kit STi V7 - V9 Non DBW Silicon Hoses_Air Box Hoses particularly under acceleration and hardGSC Power Division Billet S1 camshafts for the Subaru EJ207 Version 7 and above with single AVCS. These will not drop any low end power, and will create more power and torque across the entire RPM range. Good for stock frame upgraded turbos or up to 500 WHP upgrades. Upgraded valve springs are required. Part Number: GSC7027S1