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SKU: 3129-8
GSC P-D Nissan SR20DET (STD) Exhaust Valve Guide w/Stopper - Set of 8 1989-2002 Silvia 180SX 240SX
GSC Power-Division exhaust valve guides deliver precise fitment for Nissan SR20DET engines found in popular models like Silvia S13 S14 S15 180SX and 240SX. This set of 8 standard size guides with integrated stoppers ensures stable valve operation under high boost and RPM. Built for enthusiasts rebuilding turbocharged SR20DET cylinder heads.
Key Features
- Manganese Bronze Alloy: Resists wear and handles extreme heat in turbocharged applications for long-term reliability
- Standard 5.500mm ID: Matches OEM exhaust valve stem size for drop-in compatibility without machining
- Integrated Stopper: Locks guides in place to prevent falling into head during installation or operation
- Precision Machined: Tight tolerances maintain valve alignment and sealing for improved compression and power
- Complete Set of 8: Covers all exhaust ports on one SR20DET cylinder head
Product Notes
- Inspect cylinder head freeze plugs before installation and replace if damaged
- Apply assembly lube to guides during press-in for smooth operation
- Handle with care to avoid surface scratches on bronze material
Installation Notes
- Professional installation recommended.
- Remove freeze plugs heat and press guides into aluminum head using proper tooling
- Compatible with stock SR20DET heads and aftermarket valve seats
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1989-1994 | Nissan | Silvia | S13 SR20DET |
| 1989-1994 | Nissan | 180SX | RPS13 SR20DET |
| 1994-2000 | Nissan | Silvia | S14 SR20DET |
| 1995-1998 | Nissan | 240SX | S14 SR20DET |
| 1999-2002 | Nissan | Silvia | S15 SR20DET |
Why Choose GSC Power-Division?
- Established leader in Nissan SR20 performance valvetrain parts
- Components trusted by racers in drag and circuit applications
- Manufactured in USA with focus on exact engineering tolerances
Frequently Asked Questions
-
Q: Will this fit my S13 SR20DET blacktop head?
A: Yes fits all SR20DET variants including redtop blacktop and roller rocker heads from 1989-2002 -
Q: What material are these valve guides made from?
A: Manganese bronze alloy chosen for its strength thermal conductivity and resistance to galling -
Q: What is the warranty on these guides?
A: GSC Power-Division provides lifetime warranty against manufacturing defects when installed correctly
Shipping & Handling
- Method: Standard ground shipping
- Availability: In stock - ships same or next business day
- Packaging: Securely boxed for protection
- Weight: 0.3 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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