GSC Billet S2 Camshafts - Single AVCS (04-07 STI, 06-14 WRX)

GSC 7000 Series Full Billet Camshafts are 100% in-house cut and ground on the newest, most precise CNC machines available. The 7000 Series camshafts take the import valve train market to another level, being the only readily available and affordable billet camshafts for sport compact/import performance cars.

GSC Power-Division billet S2 camshafts for the USDM STi and WRX with Intake only AVCS. These cams are built to suit the high horsepower Subis. With a power range of 500 WHP and up, you need some certain mods to utilize the true potential of the S2s: built motor, with a built/ported head, and a turbo capable of supporting 500+ WHP. Upgraded valve springs are required; beehive valve springs are recommended, but not required.

Features

• Check Pictures for cam placement. Long nose= Left Side, short nose - Right Side
• Due to the lobe size, head castings will need to be filled down slightly for clearance.
• Proper break in and running high zinc oil is a must on flat tappet engines. Must be installed by an experienced technician
• Requires upgraded valve springs