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
GSC Power Division
GSC Power Division is a manufacturer of precision-engineered camshafts, valve springs, and valvetrain components designed for high-performance and competition engines across domestic, import, and diesel platforms. Founded by engineers with deep roots in motorsport, GSC Power Division components are machined to exacting tolerances and heat-treated to survive the demands of forced induction and high-rpm applications that destroy stock valvetrain parts. The brand is particularly well-known in the Mitsubishi Evo, Subaru STI, Nissan RB, and Toyota 2JZ communities where aggressive camshaft profiles are essential for extracting maximum power from turbocharged four-cylinder and six-cylinder engines. Whether building for drag racing, road course competition, or a high-powered street car, GSC Power Division camshafts and valve springs are a proven upgrade path. Popular Upgrades GSC Power Division S1, S2, and S3 camshafts are the most popular selections, with each profile offering progressivel...
View GSC Power Division Products
Valves
Welcome to our Valves collection, where quality meets functionality. Our carefully curated selection includes a variety of valves suited for different applications and industries. Whether you are in construction, manufacturing, or plumbing, we have the perfect valve solutions for you. Why Choose Our Valves? High Quality: Each valve in our collection is manufactured to meet strict quality standards, ensuring durability and reliability. Wide Range: We offer a diverse range of valves. Competitive Pricing: Get the best value for your money with our competitively priced valves without compromising on quality. Expert Support: Our knowledgeable team is here to help you find the right valve for your specific needs. Applications of Our Valves Our valves are versatile and can be used in a variety of engines for various makes and modles. Shop Now! Explore our Valves collection today and find the perfect solution for your project. With our user-friendly Shopify store, shopping for valv...
View Valves Products
Valves & Components
Browse all of our valves and valvetrain components at Black Ops Auto Works, including engine valves, valve covers, valve cover gaskets, valve guides, valve springs, retainers, valve locks, valve seals, lash caps, and related valvetrain hardware for performance builds, engine refreshes, and high-horsepower applications. Whether you are rebuilding a cylinder head, upgrading your valvetrain for higher RPM, or replacing worn valve train components, this collection is built for customers searching for engine valves, valve springs and retainers, valve cover gaskets, performance valve covers, and valvetrain upgrades. Shop Top Valvetrain Brands Find trusted brands in the valve and valvetrain category, including: GSC Power Division Supertech Brian Crower Ferrea Manley Performance Cometic Granatelli Moroso BLOX Racing These brands are known for performance intake valves, exhaust valves, valve spring kits, titanium retainers, valve guides, valve locks, valve seals, billet valve covers, an...
View Valves & Components Products


