GSC Power-Division intake valves for the VR38DETT R35 GTR. Intake valves are sold as a set of 12 or individually as needed. Available in the standard 37.15mm size, +1mm, +2mm or the “short” version. Valve stem diameter is 6.0mm, overall length is 94.95mm.
Vehicle Fitment:
Nissan VR38DETT
2009+ Nissan R35 GT-R
GSC Intake Valves:
| Part Number: | Head Diameter Size: | Material: | Quantity: |
| GSC 2050-12 | STD Size (37.15mm) | 21-4N | Set of 12 |
| GSC 2050-01 | STD Size (37.15mm) | 21-4N | Single Valve |
| GSC 2056-12 | Short (37.15mm) | 21-4N | Set of 12 |
| GSC 2056-01 | Short (37.15mm) | 21-4N | Single Valve |
| GSC 2052-12 | +1mm (38.15mm) | 21-4N | Set of 12 |
| GSC 2052-01 | +1mm (38.15mm) | 21-4N | Single Valve |
| GSC 2054-12 | +2mm (39.15mm) | 21-4N | Set of 12 |
| GSC 2054-01 | +2mm (39.15mm) | 21-4N | Single Valve |
More Info:
Using advanced 3D design and simulation software, GSC has created a stronger and higher flowing valve head design. GSC flow tests prototype valve heads in the specific applications to ensure the highest flowing valve head available on the market today. With the materials used, GSC offers less valve distortion at the face than any of the tested designs. Less distortion allows for better sealing under extreme conditions and more consistent performance throughout the life of the valve.
- Swirl polished heads for smoother air flow over the valve
- Back cut to reduce valve weight for higher RPM, higher boost pressure, and allow for more aggressive cam profiles without increasing valve spring seat pressures
- Valve stems are micro polished to allow for less oil retention on the stem, which creates less drag on the stem to guide for a smoother motion
- Intake valves are a modified 21-4n stainless and exhausts are a modified 23-8n stainless material for high heat capacity while maintaining longevity
- Valve tips are either hardened or have a stelite wafer tip fused so that the tip is within 5 Rockwell C of the rocker or valve tappet for extended life and less wear
- Valves will work with an OEM keeper/lock or, when available, our upgraded keeper/lock. It is not mandatory, but it is suggested, that any valve lock not be reused on performance applications due to material grooving
“Short” Valves:
Valve tip lengths GSC has taken extra time to adjust tip heights for the GTR to require less tipping of the valve to maintain proper tip height for proper valve train geometry, and to cut down on install times when setting valve lash. The GSC2056-01, GSC2056-12 valve protrusion has been shortened by .15mm to reduce the need to tip the valves on cylinder heads that are receiving a valve job. For direct factory replacement, where a valve job is not being performed, please use part number GSC2050-01 or GSC2050-12.
Pictured:
Photos are for reference.
| Select: | STD 37.15mm Set of 12 (GSC2050-12), STD 37.15mm Single Valve (GSC2050-01), Short 37.15mm Set of 12 (GSC2056-12), Short 37.15mm Single Valve (GSC2056-01), +1 38.15mm Set of 12 (GSC2052-12), +1 38.15mm Single Valve (GSC2052-01), +2 39.15mm Set of 12 (GSC2054-12), +2 39.15mm Single Valve (GSC2054-01) |
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