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

GSC2241-12
Valves
8 Units In Stock - Ships Next Business Day
$ 359.22 $ 305.34
$ 305.34

SKU: 2241-12

GSC Power-Division Nissan VR30DDTT 28.5mm Head 97.5mm Long Exhaust Valve Set of 12 - Fits 2016+ Infiniti Q50 Q60 QX55 2023+ Nissan Z

This GSC Power-Division set includes 12 exhaust valves engineered for the Nissan VR30DDTT twin-turbo V6 engine in 2016+ Infiniti Q50 and Q60, 2022+ QX55, and 2023+ Nissan Z models. The 28.5mm head diameter matches stock specs while the 97.5mm length (+1mm over stock) accommodates high-lift cams and aftermarket heads. These valves handle extreme boost levels and heat for consistent power in tuned turbo applications.

Key Features

  • One-Piece Forged 21-4N Stainless Steel: Delivers high strength to resist fatigue and distortion under high heat and pressure in turbocharged engines
  • 28.5mm Head Diameter: Retains OEM dimensions for drop-in compatibility with stock valve seats and direct fit in VR30DDTT heads
  • 97.5mm Overall Length (+1mm): Extends valve travel for taller aftermarket heads or aggressive cam profiles without clearance issues
  • Swirl Polished Finish: Enhances exhaust flow efficiency and minimizes guide wear for smoother operation and longevity
  • 6.97mm Stem Diameter: Precision ground at 6.970-6.985mm for exact fit in stock or oversized guides with reliable sealing

Product Notes

  • Complete set of 12 valves covers all exhaust positions on the VR30DDTT V6
  • Inspect valve guides and seats prior to installation for proper clearance
  • Packed in protective tubing to prevent damage during shipping

Installation Notes

  • Professional installation recommended.
  • Check valve-to-piston clearance with high-lift cams using clay method
  • Compatible with stock valve springs up to 500hp levels. upgrade for higher power

This Part Fits

Year Make Model Submodel
2016-2024 Infiniti Q50 3.0T
2017-2023 Infiniti Q60 3.0T
2022-2024 Infiniti QX55 3.0T
2023+ Nissan Z 3.0T

Why Choose GSC Power-Division?

  • Proven in drag racing and track applications for VR30DDTT builds
  • Made in USA with tight tolerances for repeatable performance
  • Backed by real-world testing in high-horsepower turbo setups

Frequently Asked Questions

  • Q: Which VR30DDTT models does this valve set fit?
    A: Designed for all VR30DDTT-equipped vehicles including 2016+ Infiniti Q50 3.0T, 2017+ Q60 3.0T, 2022+ QX55 3.0T, and 2023+ Nissan Z 3.0T with no modifications to heads
  • Q: What material and construction do these valves use?
    A: One-piece forged from 21-4N stainless steel with swirl polished heads and precision-ground stems for heat resistance and durability
  • Q: What warranty coverage is provided?
    A: GSC Power-Division offers a 1-year warranty against manufacturing defects when installed by a qualified technician

Shipping & Handling

  • Method: UPS Ground
  • Availability: In stock - ships same or next business day
  • Packaging: Securely boxed with protective sleeves
  • Weight: 1.90 lbs

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