GSC Power-Division Extreme Shimless CONICAL Valve Spring kit for the Nissan RB26DETT

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GSC Power-Division's Extreme Shimless Conical Valve Spring with Ti Retainer and Chromoly Spring seats for the Nissan RB26DETT (SEE SPECS)

  • For use with Non-OEM style, shimless buckets
  • 140lbs @ 1.305" install height 
  • 290lbs @ 0.852"
  • CB @ .793"

Check your valve spring install heights here 

    • Part Number
    • $1170.35
    Only 5 left in stock
    warning Warning: This product can expose you to chemicals including Nickel (Metallic), which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm. More information on California Proposion 65 can be found on Proposion 65 Warnings and OEHHA websites.

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    GSC5027 Extreme Shimless Conical Valve Spring Kit with Ti Retainers and Seats for the Nissan RB26DETT
    SetupCoil Bind (in)Install Height (in)Seat Pressure (lbs)Open Pressure, 11.5mm liftMaximum Valve Lift (in)
    290lbs @ 0.852"0.453"
    • Max RPM: 12,000 RPM
    • Max boost: 90 psi
    • 38 Grams spring and retainer total weight

    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 super finished 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.

    The GSC Power-Division High Pressure Shimless Conical Valve Spring Kit for the RB26DETT Includes:

    •  24 Titanium Retainers
    • 12 Chromoly Exhaust Seats
    • 12 Chromoly Intake Seats
    • 24 Super-finished Conical Valve Springs.
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