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SKU: 2147-12
GSC P-D Nissan RB26DETT 30.15mm Head STD 103.24mm Long +1.5mm Tip Exhaust Valve - Set of 12 for 1989-2002 Skyline GT-R
Upgrade your Nissan RB26DETT engine with this GSC P-D set of 12 exhaust valves designed specifically for 1989-2002 Skyline GT-R models including R32 R33 and R34. The 30.15mm head diameter and 103.24mm length with +1.5mm tip provide exact fitment and improved exhaust gas flow for higher horsepower in turbocharged applications. These valves handle extreme boost levels and RPM with reliable sealing and reduced wear.
Key Features
- 30.15mm Head Diameter: Matches RB26DETT port design for maximum exhaust scavenging and power gains
- 103.24mm Length +1.5mm Tip: Ensures correct installed height and seal compatibility in stock or ported heads
- One-Piece Forged 21-4N Stainless Steel: Resists high temperatures fatigue and valve bounce at 9000+ RPM
- STD 7.50mm Stem: Direct drop-in replacement with precise tolerances for OEM guides
- Set of 12 Exhaust Valves: Complete coverage for all cylinders in the twin-turbo inline-6 RB26DETT
Product Notes
- Pair with GSC valve springs for optimal performance and spring pressures
- Inspect valve guides for wear before installation to maintain clearances
- Arrives in protective foam packaging to prevent damage during transit
Installation Notes
- Professional installation recommended.
- Perform valve lash adjustment to GSC specs after assembly
- Compatible with stock heads and aftermarket valvetrain components
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1989-1994 | Nissan | Skyline | R32 GT-R |
| 1995-1998 | Nissan | Skyline | R33 GT-R |
| 1999-2002 | Nissan | Skyline | R34 GT-R |
Why Choose GSC?
- Proven in GT-R drag racing and time attack builds worldwide
- Manufactured with tight tolerances for consistent performance
- Backed by decades of JDM engine expertise
Frequently Asked Questions
-
Q: Will these valves fit my R34 Skyline GT-R RB26DETT?
A: Yes fits all 1989-2002 Nissan Skyline GT-R models equipped with the RB26DETT engine including R32 R33 and R34 variants. -
Q: What material are these valves made from?
A: One-piece forged 21-4N stainless steel offers excellent heat dissipation strength and longevity under high boost conditions. -
Q: What is the warranty on these valves?
A: GSC provides a limited lifetime warranty against manufacturing defects when installed by a qualified technician.
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Original GSC box with foam inserts 10x6x2 inches
- Weight: 1.4 lbs
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