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GSC Power-Division Beehive Spring Set with Titanium Retainers - 02-14 WRX / 04+ STi



Fits these Applications:
2002-2014 Subaru WRX
2004-2018 Subaru STi

GSC Power-Division Beehive springs feature some of the most impressive manufacturing techniques in the industry. GSC beehive springs use an ovate wire which utilizes advanced material heat treatment methods for superior load loss capabilities. What this means to you is the GSC 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.

The beehive valve spring shape has become the buzz lately. Some have inquired as to the benefits of a beehive spring vs the dual springs that are sold by others. While some might find that the beehive spring design is new it has been used commonly in many OE engines as well as in all of the NASCAR and F1 engines of today. Why? The beehive shape is more stable than standard single or dual cylindrical springs. The beehive design which incorporates an ovate wire is more than capable of the performance demands that were previously only matched by a Dual Springs. With the smaller and lighter retainer used on the beehive valve spring allow for higher RPM and more valve control. So beehive valve springs, with their lighter weight retainers allow for engines to rev quicker and maintain a more stable valve motion than the traditional cylindrical springs of yesteryear.

Beehive Spring Benefits:
- Rev faster
- Lighter components
- More durable design
- Less stress on valvetrain components
- Lower spring frequency for more precise valve control.
- More valve control equals more aggressive cam profiles
- Nano peened for faster break in and less stressed springs
- All of these items help to return more power for you to enjoy!

The GSC5043 Beehive valve spring set, and Grade 5 Titanium retainers. This kit is capable of 9500+ RPMS, with as much as 11.5mm lift cams.

5043 Beehive spring pressure:
- Seat=85 lbs / 225lbs @11mm / .550"= Coil bind.

5043 Beehive Rev and Boost range (using an S3 profile camshaft set)
- Max RPM: 9,500
- Max boost: 35psi

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