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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-5056
$413.95

The GSC Power-Division Beehive Spring Kit with Titanium Retainers for the Subaru 2015 WRX, BRZ and Scion FRS includes 24 titanium retainers, 24 beehive valve springs, and 24 spring seats. Our beehive spring is made with an ovate wire which utilizes advanced material heat treatment methods for superior load loss capabilities. These springs have the highest level of spring load retention while still maintaining good fatigue throughout the life of the spring. Beehive springs allow for the use of a smaller, lighter retainer allowing for higher RPM and more valve control. This is absolutely the most lightweight, strongest spring kit for the FA20 platform

Read more: GSC Power-Division Beehive Valve Spring Kit for FA20 WRX/BRZ/FRS

SKU GSC-5756
$413.95

The GSC Power-Division Single Cylindrical Valve Spring Kit with Ti Retainers for the Subaru 2015+WRX, BRZ, Scion FRS and Toyota FT86 using the new 2.0L NA boxer engine includes 16 titanium retainers, 16 cylindrical valve springs, and 16 spring seats. These round wire springs still have the same high quality attention to detail as our popular beehive kits. The GSC5756 is Nano peened and batched according to seat pressure within our specs. The lightweight titanium retainers are CNC machined with tolerances and repeatability that are unmatched by other brands. This keeps a consistent seat pressure across the head for ultimate reliability and performanc

Read more: GSC Power-Division Single Valve Spring Kit for FA20 WRX/BRZ/FRS

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
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