-14%
Click to zoom in
SKU: 3042-8 | UPC: GSC3042-8
GSC P-D 1989-1998 Nissan 240SX SR20DET Manganese Bronze Intake Valve Guide Set 8
GSC Power-Division Manganese Bronze Intake Valve Guides part 3042-8 deliver a complete set of 8 for Nissan SR20DET engines in 1989-1998 240SX models. These guides install directly into SR20DET cylinder heads for dependable valvetrain performance at high RPM and boost levels. Engine builders rely on them for longer guide life and steady valve sealing in tuned engines.
Key Features
- Manganese Bronze Construction: Provides strong wear resistance and heat transfer to manage turbocharged engine temperatures
- Precision Machined Tolerances: Matches 7mm valve stems with 8.045mm guide diameter and 32mm length for reliable high-RPM stability
- Set of 8 Intake Guides: Equips all intake positions for complete SR20DET cylinder head rebuilds
- SR20DET Specific Design: Aligns with OEM head bore dimensions for direct fit in stock or modified heads
- Enhanced Durability: Prevents galling and seizure in high-boost setups versus stock cast iron guides
Product Notes
- Valve guides require proper reaming during installation for optimal clearance
- Pair with GSC valves and seats for best results in performance engines
- Ships in anti-static protective packaging to prevent damage
Installation Notes
- Professional installation recommended.
- Ream cylinder head guide bores to 12.010-12.020mm using GSC-specified tools
- Compatible with stock Nissan SR20DET heads and GSC valve train components
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1991-1993 | Nissan | 240SX | Base |
| 1995-1998 | Nissan | 240SX | Base |
| 1991-1992 | Nissan | 240SX | LE |
| 1997-1998 | Nissan | 240SX | LE |
| 1989-1998 | Nissan | 240SX | SE |
| 1989-1990 | Nissan | 240SX | XE |
Why Choose GSC Power-Division?
- Proven in drag racing and drift competitions with SR20DET builds
- Premium manganese bronze alloy exceeds OEM standards for longevity
- Engineered tolerances support 10,000+ RPM valvetrain reliability
Frequently Asked Questions
-
Q: Will these fit both SR20DET Redtop and Blacktop engines in 240SX?
A: Yes they fit all SR20DET variants including Redtop S13 and Blacktop S14 engines with matching 7mm intake valve stems -
Q: What makes manganese bronze better for valve guides?
A: Manganese bronze offers improved heat dissipation and reduced wear on valve stems during extended high-boost operation -
Q: What warranty comes with GSC valve guides?
A: GSC provides a limited lifetime warranty against manufacturing defects when installed by certified professionals
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Compact box 5 x 3 x 1 inches
- 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...
View GSC Power Division Products
Valve Guides
Welcome to our Valve Guides collection, where you can find a wide range of high-quality products designed to enhance your automotive performance. Our carefully curated selection includes everything you need to ensure optimal functionality and longevity for your vehicle's engine components. Why Choose Our Valve Guides? Durability: Constructed from premium materials to withstand high temperatures and pressure. Precision Engineering: Designed for a perfect fit, ensuring smooth operation and reduced wear. Performance Boost: Improves engine efficiency and power output, maximizing your vehicle's performance. Wide Selection: Available for various makes and models, tailored to meet your specific needs. Featured Products Explore some of our top-rated valve guides: High-Performance Valve Guides - Ideal for racing and high-performance engines. OEM Replacement Valve Guides - Perfect for restoring your vehicle to factory specifications. Custom Valve Guides - Tailor-made options for sp...
View Valve Guides 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