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SKU: 3128-12
GSC P-D Nissan RB26DETT (STD) Intake Valve Guide w/Stopper - Set of 12 for 1989-2002 Skyline GT-R
GSC Power-Division intake valve guides for Nissan RB26DETT engines fit 1989-2002 Skyline GT-R models including R32 R33 and R34. These STD size guides feature an integrated stopper and manganese bronze material for reliable valve stem support during high RPM operation. Install them to maintain tight clearances and support bigger cams or turbo upgrades in performance builds.
Key Features
- Manganese Bronze Material: Provides high wear resistance and excellent thermal conductivity to handle heat from aggressive engine setups
- Integrated Stopper: Locks guides at correct depth in cylinder head to simplify installation and avoid errors
- Precision CNC Machining: Ensures exact ID and OD tolerances for smooth valve action and minimal friction
- Thin-Wall Construction: Allows better oil flow and heat dissipation for longer life in boosted applications
- Set of 12 Guides: Complete coverage for all intake valves on RB26DETT cylinder heads
Product Notes
- Intake valves only. pair with GSC exhaust guides 3129-12 for full valvetrain refresh
- STD sizing matches OEM intake valve stems at 5.95mm guide ID
- Standard shipping applies with no special handling required
Installation Notes
- Professional installation recommended.
- Press guides into head using dedicated valve guide tool and freeze-fit method
- Compatible with stock heads and GSC valve seats or springs
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1989-1994 | Nissan | Skyline | GT-R (R32 RB26DETT) |
| 1995-1998 | Nissan | Skyline | GT-R (R33 RB26DETT) |
| 1999-2002 | Nissan | Skyline | GT-R (R34 RB26DETT) |
Why Choose GSC Power-Division?
- Proven in GT-R drag and circuit racing worldwide
- Focus on JDM engine valvetrain durability
- CNC-machined in the USA for consistent quality
Frequently Asked Questions
-
Q: Do these guides fit R34 GT-R V-Spec RB26DETT heads?
A: Yes they directly replace OEM guides in all RB26DETT variants across R32 R33 R34 GT-R models -
Q: What material and size details?
A: Manganese bronze with thin walls and STD 5.95mm ID for stock intake valves. beveled entry for easy install -
Q: What warranty coverage?
A: Limited lifetime warranty on manufacturing defects with proper installation and no abuse
Shipping & Handling
- Method: Standard Ground Shipping
- Availability: In stock - ships same or next business day
- Packaging: Compact protective box 6 x 4 x 2 inches
- Weight: 0.45 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...
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