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GSC P-D Nissan VR30DDTT 28.5mm Head STD 97.5mm Long Super Alloy Exhaust Valve - Set of 12 GSC Power Division
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GSC P-D Nissan VR30DDTT 28.5mm Head STD 97.5mm Long Super Alloy Exhaust Valve - Set of 12

GSC2245-12
Valves
6 Units In Stock - Ships Next Business Day
$ 458.65 $ 389.85
$ 389.85

SKU: 2245-12

GSC P-D Nissan VR30DDTT 28.5mm Head STD 97.5mm Long Super Alloy Exhaust Valve - Set of 12 | 2017-2024 Infiniti Q50 Q60 Nissan Z

GSC Power-Division super alloy exhaust valves provide direct replacement for Nissan VR30DDTT engines in 2017+ Infiniti Q50, Q60, QX55, and 2023+ Nissan Z models. This set of 12 valves features 28.5mm head diameter and 97.5mm overall length with standard 6.98mm stem for seamless fit in high-boost twin-turbo V6 applications. Engine builders rely on these valves for their ability to handle extreme exhaust gas temperatures while maintaining flow and durability during prolonged high-RPM operation.

Key Features

  • Super Alloy Material: Proprietary nickel-based alloy resists heat up to 1600°F common in turbocharged VR30DDTT engines ensuring longer life under boost
  • Precise Dimensions: 28.50mm head diameter 97.50mm overall length 9.00mm tip standard 6.98mm stem diameter and 2.00mm margin for exact OEM-spec fitment
  • One-Piece Forged Design: Forged construction eliminates weld failure points delivering strength for 8000+ RPM valvetrains
  • Swirl Polished Head: Polished valve face and 3-angle seat interface boost exhaust flow by 15% over stock for quicker spool and power gains
  • Enhanced Keeper Groove: Reinforced groove secures keepers firmly reducing valve train noise and improving retention at high lift

Product Notes

  • Valve weight 52g each total set weight 1.8 lbs MPN 2245-12 designed for stock or upgraded valve seats and guides
  • Inspect guides and seats prior to installation to ensure compatibility with performance spring pressures
  • Special order item handles with care to prevent bending during transit

Installation Notes

  • Professional installation recommended.
  • Set exhaust valve lash to 0.011-0.013 inches hot per GSC specifications for optimal clearance
  • Compatible with stock retainers and locks pair with GSC valve springs for high-lift cams

This Part Fits

Year Make Model Submodel
2017-2024 Infiniti Q50 3.0t Luxe Pure Sensory Red Sport
2017-2023 Infiniti Q60 3.0t Luxe Premium Red Sport
2022-2024 Infiniti QX55 3.0t Luxe Sensory
2023-2024 Nissan Z Performance ProtoSpec

Why Choose GSC Power-Division?

  • Proven in drag racing and time attack with VR30DDTT builds worldwide
  • CNC-machined in USA from premium aerospace-grade materials
  • Backed by 1-year warranty against manufacturing defects

Frequently Asked Questions

  • Q: Do these fit the 2023 Nissan Z VR30DDTT?
    A: Yes direct OEM replacement for all 2023-2024 Nissan Z models with VR30DDTT engine including Performance and ProtoSpec trims
  • Q: What makes the super alloy different from stock?
    A: Super alloy offers superior heat fatigue resistance over OEM steel allowing safe operation at 30+ psi boost and 150+ whp gains
  • Q: Are valve seals or springs included?
    A: Valves only seals springs retainers and locks sold separately recommend GSC spring kit for full valvetrain upgrade

Shipping & Handling

  • Method: UPS Ground or FedEx Ground
  • Availability: Special order ships within 3-5 business days
  • Packaging: Secure foam-lined box 12 x 6 x 2 inches
  • Weight: 1.8 lbs

Request For Information

Have questions about GSC P-D Nissan VR30DDTT 28.5mm Head STD 97.5mm Long Super Alloy Exhaust Valve - Set of 12? Fill out the form below and we'll get back to you by the next business day.
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