Outfront Motorsports Subaru Performance On-Road and Off-Road Parts Store

GSC Power-Division billet S2 camshafts for the EJ20 JDM/EURO 2.0L STi. 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 good engine management system. Upgraded valve springs are required; Beehive valve springs are recommended but not required.

Due to the lobe size, head castings will need to be filed down slightly for clearance - Please check during install

GSC Power-Division billet S1 camshafts for the USDM 2010-2012 LGT with Low mount turbo W/ oil scavenge pump on the back of the head. 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; Beehive valve springs are recommended, but not required.

GSC Power-Division Billet S3 camshafts for the EJ205 WRX Version 5 and 6. These cams are built to suite the high horsepower Subys. With a power range of 700WHP and up, you need some certain mods to utilize the true potential of the S3s. Built motor, with a built/ported head, and a good engine management system. Beehive valve springs are recommended.

GSC Power-Division Billet S2 camshafts for the EJ205 WRX Version 5 and 6. These cams are built to suite the high horsepower Subys. With a power range of 500WHP and up, you need some certain mods to utilize the true potential of the S2s. Built motor, with a built/ported head, and a good engine management system. Beehive valve springs are recommended, but a upgraded single spring kit will do the job under 8000 rpm.

GSC Power-Division Billet S1 camshafts for the EJ205 WRX Version 5 and 6. These will not drop any low end power, but actually cause faster spool of the turbo, creating more power and torque across the entire rpm range. Good for stock turbo or up to 500WHP upgrades. These cams require upgraded valve springs to keep everything safe at high rpm.

GSC Power-Division Billet S3 camshafts for the 08+ Subaru STi EJ257 with Dual AVCS. These cams are built to suite the higher horsepower Subys. With a power range of 750WHP and up, you need some certain mods to utilize the true potential of the S3s. Built motor, with a built/ported head, and a good engine management system. Upgraded valve springs are required; Beehive valve springs are recommended but not required.

GSC Power-Division Billet S2 camshafts for the 08+ Subaru STi EJ257 with Dual AVCS. These cams are built to suite the higher horsepower Subys. With a power range of 500WHP and up, you need some certain mods to utilize the true potential of the S2s. Built motor, with a built/ported head, and a good engine management system. Upgraded valve springs are required; Beehive valve springs are recommended but not required.

GSC Power-Division Billet S1 camshafts for the 2008+ STI EJ257B With Dual AVCS. Good for stock turbo or up to 500WHP(GT35R) upgrades. Upgraded valve springs are required; Beehive valve springs are recommended but not required.

GSC Power-Division Billet S3 camshafts for the USDM STi and WRX with Intake only AVCS. These cams are built to suite the high horsepower drag Subys. With a power range of 750-1000WHP and a rev range of 4500-9500rpms, you need some certain mods to utilize the true potential of the S3s. Built motor, with a built/ported head (clearanced for lift), and a standalone engine management system. Upgraded valve springs are required; Beehive valve springs are recommended but not required.

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 Subys. With a power range of 500WHP 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.

GSC Power-Division Billet S1 camshafts for the USDM STi and WRX with Intake only AVCS. These will not drop any low end power, and will creating more power and torque across the entire rpm range. Good for stock frame upgraded turbos or up to 500WHP upgrades. Upgraded valve springs are required; Beehive valve springs are recommended but not required.

GSC Power-Division billet S3 camshafts for the EJ20 JDM/EURO 2.0L STi. These cams are built to suit the highest horsepower drag Subis. With a power range of 750-1000 WHP and a rev range of 4500-9500 RPMs, you need some certain mods to utilize the true potential of the S3s: built motor, with a built/ported head (clearanced for lift), and a standalone engine management system. Upgraded valve springs are required; beehive valve springs are recommended but not required.