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SKU: 3002-8 | UPC: GSC3002-8
GSC P-D 4G63 Manganese Bronze Intake Valve Guide - Set 8 (1990-2006 Mitsubishi Eclipse, Eagle Talon, Lancer Evo)
GSC Power-Division manganese bronze intake valve guides (part 3002-8) provide dependable valvetrain support for 4G63 DOHC engines. This set of 8 fits 1990-1999 DSM models including Mitsubishi Eclipse GST GSX, Eagle Talon TSi, Plymouth Laser RS, Mitsubishi Galant VR-4, and 2005-2006 Lancer Evolution variants. Bronze construction resists wear and manages high heat for consistent performance in boosted and high-RPM setups.
Key Features
- Manganese Bronze Construction: Offers high lubricity and thermal conductivity to reduce friction and prevent galling on intake valves.
- Precision Specifications: 7.98mm ID, 13.00mm OD, 46.50mm length for drop-in fit without clearance issues in 4G63 heads.
- Complete Set of 8: Covers all intake positions for complete rebuilds on DOHC 4G63 cylinder heads.
- 4G63-Specific Design: Matches 6-bolt and 7-bolt heads in DSM and Evo applications for leak-free sealing.
- Extended Wear Life: Outperforms cast iron guides in high-RPM and boosted 4G63 engines.
Product Notes
- Inspect head for guide bore condition before installation.
- Lubricate guides with assembly lube during install.
- Packaged in protective tube to prevent damage.
Installation Notes
- Professional installation recommended.
- Use valve guide driver tool for press fit at specified depth.
- Compatible with stock or aftermarket valves. verify stem diameter.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1990-1998 | Eagle | Talon | TSi |
| 1990-1994 | Mitsubishi | Eclipse | GS |
| 1990-1999 | Mitsubishi | Eclipse | GST |
| 1990-1999 | Mitsubishi | Eclipse | GSX |
| 1996-1999 | Mitsubishi | Eclipse | Spyder GST |
| 1991-1992 | Mitsubishi | Galant | VR-4 |
| 2005-2006 | Mitsubishi | Lancer | Evolution |
| 2005-2006 | Mitsubishi | Lancer | Evolution MR |
| 2005-2006 | Mitsubishi | Lancer | Evolution RS |
| 2006 | Mitsubishi | Lancer | Evolution SE |
| 1990-1994 | Plymouth | Laser | RS |
Why Choose GSC Power-Division?
- Proven in drag racing and street DSM builds.
- CNC-machined from premium alloys for tight tolerances.
- Backed by decades of 4G63 valvetrain expertise.
Frequently Asked Questions
-
Q: Does this fit 2005-2006 Evo 8/9 4G63 heads?
A: Yes, matches US-spec Evo heads with 7.98mm stem clearance for stock or oversized valves. -
Q: What makes manganese bronze better than iron guides?
A: Bronze embeds particles for self-lubrication and dissipates heat faster to reduce valve wear. -
Q: What is the warranty on these guides?
A: GSC offers a limited lifetime warranty against manufacturing defects when installed properly.
Shipping & Handling
- Method: USPS Priority or UPS Ground
- Availability: In stock - ships same or next business day
- Packaging: Protective tube in 6 x 4 x 2 inch box
- Weight: 0.31 lbs
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