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GSC Power Division Spring & Retainer Sets - 4G63

GSC

$369.75 
GSC-5041

Fits these Applications:
1992-2006 Mitsubishi Lancer Evolution I II III IV V VI VII VIII IX
1990-1999 1G & 2G DSM (Eclipse GST/GSX, Talon TSi & Laser Turbo)

Description:
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!



GSC5039 (FACTORY REPLACEMENT SPRINGS - Evo 8/9 Only)
The GSC 5039 Beehive spring is a factory replacement for the 2003-2006 Evolution 8/9 and will use your stock OEM retainer and valve seat to ensure an easy and inexpensive upgrade for your upgraded camshafts.

5039 Beehive Spring Pressure:
- 1.56"=86 lbs / .450"=220lbs / .625"= Coil bind.

5039 Beehive Rev and Boost Range: (using an S2 profile camshaft set)
- Max RPM: 8200
- Max boost: 25 psi

5039 Beehive Max Lift:
- Do to stock retainer max lift is 11.2mm at the valve or .259" cam lobe lift.




GSC5040 (BEEHIVE SPRINGS & RETAINERS)
The GSC 5040 Includes a Beehive valve spring set, and Grade 5 Titanium retainers You will use the OEM spring seat. This kit is capable of 9500+ RPMS, with as much as 12.1mm lift cams (net valve lift max due to seal to bottom retainer contact). These are a must have for anyone pushing the limits. If you have had problems with valve float or throwing rocker arms this is the spring set that will cure your problems for good.

5040 Beehive Spring Pressure:
Evolution 4-9 head (Intake listed/ Exhaust -.025")
- 1.59"=85 lbs
- .300" =180lbs
- .400"=215lbs
- .450"= 230lbs
- Coil bind=0.610"

5040 Beehive Spring Pressure:
DSM / Evolution 1-3 head (Intake listed / Exhaust -.030")
- 1.600"=82 lbs
- .300" =179lbs
- .400"=212lbs
- .450"= 228lbs
- Coil bind=0.600"

5040 Beehive Rev and Boost Range: (using an S2 profile camshaft set)
- Max RPM: 9,500
- Max boost: 32psi



GSC5041 (HIGH-REV BEEHIVE SPRINGS & RETAINERS)
The GSC 5041 Includes a Beehive valve spring set, and Grade 5 Titanium retainers. You will use the OEM spring seat. This kit is capable of 11000+ RPMS, with as much as 12.1mm lift cams (net valve lift max due to seal to bottom retainer contact). These are a must have for anyone pushing the limits. If you have had problems with valve float or throwing rocker arms this is the spring set that will cure your problems for good.

5041 Beehive Spring Pressure:
Evolution 4-9 head (Intake listed/ Exhaust -.025")
- 1.55"=97 lbs
- .300" =183lbs
- .400"=216lbs
- .450"= 238lbs
- .500"= 250lbs
- .550"=285lbs
- Coil bind=0.620"

5041 Beehive Spring Pressure:
DSM / Evolution 1-3 head (Intake listed / Exhaust -.030")
- 1.56"=96 lbs
- .300" =180lbs
- .400"=212lbs
- .450"= 235lbs
- .500"= 246lbs
- .550"=280lbs
- Coil bind=0.618"

5041 Beehive Rev and Boost Range: (using an S3 profile camshaft set)
- Max RPM: 10,500
- Max boost: 44psi


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WARNING:
Cancer and Reproductive Harm
www.p65warnings.ca.gov