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SKU GSC-5743
$255.00

GSC cylindrical single valve spring kit for the Subaru turbo EJ WRX and STi. Made for the Suby owner that daily drives their hot rod and keeps the boost and revs down. These Springs are the same quality and consistency as our popular beehive spring kit. The nano-peened AS50 round wire will perform with a RPM limit of 8200 and boost levels up to 32PSI on S1 or S2 profile cams. Strict quality control on the springs and the CNC machined Titanium retainers give you peace of mind that your valvetrain is always under control.

Read more: GSC Power-Division Single Valve Spring and Titanium Retainer Kit for Subaru EJ

SKU GSC-5043
$369.75

GSC Power-Division Beehive springs feature some of the most impressive manufacturing techniques in the industry. Our beehive spring uses an ovate wire which utilizes advanced material heat treatment methods for superior load loss capabilities. What this means to you is our spring has the highest level of spring load retention while still maintaining good fatigue threw out the life of the spring. Only the best materials go into the GSC Power-Division Beehive valve spring. Each batch is scrutinized for tensile strength properties, ductility, inclusion content, and fatigue toughness.

Read more: GSC EJ Beehive Valve Springs w/ Titanium Retainer Kit

SKU GSC-7020S3
$892.50

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.

Read more: GSC Stage 3 EJ20 Billet Camshaft Set Without AVCS

SKU GSC-7020S2
$892.50

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.

Read more: GSC Stage 2 EJ20 Billet Camshaft Set Without AVCS

SKU GSC-7020S1
$892.50

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.

Read more: GSC Stage 1 EJ20 Billet Camshaft Set Without AVCS

SKU GSC-7026S3
$998.75

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.

Read more: GSC Stage 3 EJ257 Billet Camshaft Set Dual AVCS (Intake and Exhaust)

SKU GSC-7026S2
$998.75

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.

Read more: GSC Stage 2 EJ257 Billet Camshaft Set Dual AVCS (Intake and Exhaust)
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