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SKU: 3041-8 | UPC: GSC3041-8
GSC Power-Division Manganese Bronze Exhaust Valve Guide Set for 1989-1998 Nissan 240SX SR20DET - 8pc
GSC Power-Division Manganese Bronze Exhaust Valve Guides provide dependable performance in Nissan SR20DET engines. This set of 8 fits 1989-1998 Nissan 240SX models equipped with SR20DET swaps or engine builds. Built to withstand exhaust heat and valve stem wear during high-revving boosted applications up to 10,000 RPM.
Key Features
- Manganese Bronze Construction: Manages extreme exhaust temperatures through high thermal conductivity and long wear resistance
- Precision Tolerances: Aligns with SR20DET head specs for easy drop-in installation after standard reaming to 0.316 inch ID
- Set of 8 Guides: Covers every exhaust valve position in a single package
- High RPM Durability: Engineered for boosted SR20DET engines reaching 10,000 RPM
- 1.496 inch Length: Matches OEM dimensions for correct seal depth in cylinder heads with 0.553 inch OD
Product Notes
- Pair with GSC 3907-8 phosphor bronze intake guides for balanced valvetrain
- Inspect cylinder head seats before installation
- Packed in protective sleeves to prevent damage
Installation Notes
- Professional installation recommended.
- Press guides into head and ream to 0.001-0.003 inch valve stem clearance
- Compatible with OEM SR20DET heads and GSC valve springs
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
- Manufactured with USA precision machining
- Direct engineering input from SR20DET tuners
Frequently Asked Questions
-
Q: Do these guides fit S13 and S14 SR20DET heads?
A: Yes, exact replacement for Blacktop and Redtop SR20DET exhaust guides after proper sizing -
Q: Why manganese bronze for exhaust?
A: Provides better heat transfer and galling resistance than cast iron under high exhaust gas loads -
Q: What warranty applies?
A: Limited lifetime warranty against defects in materials and workmanship
Shipping & Handling
- Method: UPS Ground
- Availability: In stock - ships same or next business day
- Packaging: Cardboard box 6 x 4 x 2 inches
- Weight: 0.45 lbs
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