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
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