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SKU: 2242-12
GSC P-D Nissan VR30DDTT 33.3mm Head STD 101.1mm Long Intake Valve - Set of 12 for 2017+ Infiniti Q50 Q60 Nissan Z
GSC Power-Division intake valves feature a 33.3mm head and 101.1mm length for Nissan VR30DDTT engines in 2017+ Infiniti Q50 Q60 and 2023+ Nissan Z models. This set of 12 replaces all intake valves with components built for high boost and RPM. Gain better valve stability and airflow in performance turbo setups.
Key Features
- One-Piece Forged Design: Constructed from 21-4N stainless steel to handle extreme heat boost and revs without failure
- 33.3mm Head Diameter: Matches OEM sizing for direct fit while supporting ported head upgrades and larger cams
- 101.1mm Length: 0.5mm longer than stock for clearance with high lift camshafts and titanium retainers
- Swirl Polished Heads: Improves gas flow reduces turbulence and boosts cylinder filling efficiency
- Bead Blasted Finish: Enhances heat dissipation and stem seal retention for long service life
Product Notes
- Recommended intake valve lash 0.014 inch to 0.016 inch for optimal performance
- Pair with GSC valve springs for high RPM valvetrain control
- Special order item processing time varies contact for lead times
Installation Notes
- Professional installation recommended.
- Inspect valve seats guides and springs during valve job
- Compatible with stock heads and GSC spring kits no machining required
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2017-2024 | Infiniti | Q50 | 3.0T |
| 2017-2023 | Infiniti | Q60 | 3.0T |
| 2023-2024 | Nissan | Z | 3.0L TT |
Why Choose GSC Power-Division?
- Proven in drag racing and time attack with VR30 builds
- Advanced forging process delivers strength for 40+ psi boost
- Dyno validated designs ensure reliable power gains
Frequently Asked Questions
-
Q: Which VR30DDTT models does this valve set fit?
A: Fits all 2017+ Infiniti Q50 3.0T Q60 3.0T and 2023+ Nissan Z with VR30DDTT engine no submodel exclusions -
Q: What material and construction do these valves use?
A: One-piece forged from 21-4N stainless steel with swirl polished heads and bead blasted stems for boost resistance -
Q: Are special valve springs needed for installation?
A: Works with OEM springs but GSC dual springs recommended for valvetrain stability above 8500 RPM
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock - ships same or next business day
- Packaging: Securely boxed for protection
- Weight: Approximately 4.5 lbs
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