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GSC P-D Nissan VR30DDTT HP Conical Valve Spring Ti Retainer & Seat Kit (10500RPM/55PSI Max) - Black Ops Auto Works
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GSC P-D Nissan VR30DDTT HP Conical Valve Spring Ti Retainer & Seat Kit (10500RPM/55PSI Max)

GSC5084
GSC5084
Valve Springs, Retainers
6 Units In Stock - Ships Next Business Day
$ 935.00 $ 794.75
$ 794.75

SKU: 5084

GSC P-D Nissan VR30DDTT HP Conical Valve Spring Ti Retainer & Seat Kit 2016+ Infiniti Q50 Q60 Nissan Z (10500RPM/55PSI Max)

GSC Power-Division HP Conical Valve Spring and Titanium Retainer Seat Kit upgrades Nissan VR30DDTT twin-turbo V6 engines in Infiniti Q50 Q60 and Nissan Z models. This complete 24-valve kit handles 10500 RPM limits and 55 PSI maximum boost with 195 lbs seat pressure at 1.900 inch installed height. It reduces valvetrain mass for reliable high-rev performance in boosted applications.

Key Features

  • 10500 RPM Capability: Supports extreme engine speeds with coil bind height at 1.150 inch and 0.460 inch maximum lift
  • 55 PSI Boost Ready: Delivers 195 lbs seat load and 520 lbs open pressure at 277 lbs per inch spring rate for high-pressure stability
  • Titanium Retainers: 6AL4V alloy retainers weigh 8.2 grams each cutting valvetrain inertia versus OEM steel
  • Conical Spring Design: 28 gram chromoly steel springs lower harmonics and valve float risk across RPM range
  • Complete Kit: Includes springs retainers and chromoly steel seats for direct 24-valve DOHC installation

Product Notes

  • Works with factory valve seats no modifications needed
  • Verify installed heights during assembly for optimal pressures
  • Total valvetrain mass reduced to 88 grams per valve

Installation Notes

  • Professional installation recommended.
  • Use quality valve spring compressor tool for safe removal and install
  • Compatible with OEM valves and keepers check clearances post-install

This Part Fits

Year Make Model Submodel
2016-2025 Infiniti Q50 3.0T Red Sport 400
2017-2025 Infiniti Q60 3.0T Red Sport 400
2023+ Nissan Z Performance Nismo Sport

Why Choose GSC?

  • Track-proven in import drag racing and circuit use
  • USA-made with aerospace-grade materials for durability
  • Exact engineering from dyno testing ensures fit and function

Frequently Asked Questions

  • Q: Does this fit 2018 Infiniti Q50 3.0T Red Sport or 2024 Nissan Z Performance?
    A: Yes fits all VR30DDTT engines including 2016+ Q50 Q60 Red Sport 400 and 2023+ Nissan Z Performance Nismo Sport models
  • Q: What materials are in the springs retainers and seats?
    A: Premium chromoly steel conical springs titanium 6AL4V retainers and chromoly steel seats built for high-stress conditions
  • Q: What warranty coverage applies?
    A: Lifetime warranty on valve springs covers failure from defects in material or workmanship

Shipping & Handling

  • Method: UPS Ground or FedEx
  • Availability: In stock - ships same or next business day
  • Packaging: Securely boxed for protection
  • Weight: 1.00 lb

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