GSC Power-Division High Pressure Single Conical Valve Spring and Ti Retainer kit 4B11T

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GSC5062 High Pressure Conical Valve Spring Kit with Ti Retainer for the Mitsubishi 4B11T
SetupCoil Bind (in)Install Height (in)Seat Pressure (lbs)Open Pressure, 11.30mm liftMaximum Valve Lift (in)
HP Conical0.8181.294 / 1.300112 / 110259 lbs @ 0.849" / 257 lbs @ 0.855"0.445

  • Max RPM: 11,000
  • Max boost: 55 psi
  • Up to 12.2mm lift cams

The GSC Power-Division High Pressure Conical Valve Spring with Ti Retainer kit for the Mitsubishi 4B11T includes 16 titanium retainers,16 conical valve springs, and 16 valve spring seats. True conical valve springs are not a new concept and are industry proven to provide several key advantages over traditional spring designs. A major advantage of conical springs vs. traditional cylindrical or beehive springs is the damping and removal of valvetrain harmonics. Of the three designs, conical springs are the front runners in valvetrain harmonic stability. Utilizing a varying coil diameter as well as coil spacing, a conical spring acts as a natural harmonic damper in the transfer of valvetrain shock. This translates to less stress, less wear, and a longer life of the included components. This level of protection is needed in today’s engines being pushed to their physical and mechanical limits by aftermarket modifications. Every GSC conical spring offers a superfinished surface treatment to go along with the patented, multi-step heat treatment process. The finished product is an extremely reliable, high-performance spring allowing the users to push higher RPMs, use more aggressive cam profiles, and turn up higher boost pressures.

Conical Spring Benefits:

  • Vastly improved harmonic stability with inherent self-damping design
  • Smaller design = weight reduction throughout the entire valvetrain system
  • Applications for high RPM and boost pressure with the ability to run more aggressive camshafts
  • State of the art manufacturing and engineering production processes

    • Weight
      4 lbs
    • SKU
      GSC5062

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CUSTOMERS SHIPPING ITEMS TO ARCHER FAB

Customers shipping items to Archer Fab that are needed for the Fabrication process (Turbocharger, or Turbine housing) will be charged the Return Shipping, additional to the amount originally paid in the invoice, unless otherwise specified or included.



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AF Consumer Terms & Conditions / Warranty Info
By purchasing from Archer fabrications LLC, you the consumer Understand and Agree to the following:
• All Archer fabrications, LLC. Products are intended for off road/track use only, and are recommended to be installed by a professional.
• All Archer Fabrications, LLC. Hand Made, Welded, & Fabricated Parts are Final sale (no refunds); Including but not necessarily limited to: Turbo manifolds, exhaust systems, waste gate dump tubes, O2 housings etc... 

•Returns: 

It is SOLELY at the discretion of Archer Fabrications, LLC.  to Approve or deny any AF welded product returns. Any and all approved returns will be subject to a 50% Restocking fee based off the total invoice

•All Third party products that are Returned/Refunded will be subject to the manufacturers return/exchange policy and a 25% Restocking fee.


• All Archer Fabrications, LLC Turbo Manifolds will include a LIMITED 3 YEAR WARRANTY Against welding related defects to the original purchase only, from the date purchased. Please contact us if you have any issues with your product and we will do our best to make it right.

• The limited warranty does not cover damage you may have caused & related or due to the following:

•User neglect, improper installation, damage related to a heavy Waste gate dump tube, damage due to vibratory contact from other parts, Damage caused from "heat wrapping".


Archer Fabrications, LLC. Will not be held liable for any damage that could occur to the related and moving parts associated with a turbo system, such as; The Engine & The Turbocharger, or damage to the vehicle itself, at anytime.


Archer Fabrications, LLC. Reserves the right to change or update the Terms and conditions / Warranty Info at any time.