-15%
Click to zoom in
SKU: 3004.001-1
GSC P-D Mitsubishi 4G63 (.001+) Stopper Style Intake Valve Guide - (Single) 1990-1999 Eclipse Talon Laser
Enhance your Mitsubishi 4G63 valvetrain with this GSC Power-Division stopper style intake valve guide sized +0.001 inch oversize sold as a single unit. Designed for 1990-1999 DSM vehicles including Eclipse GSX Talon TSi and Laser Turbo it locks securely into the cylinder head. Ideal for race builds with stiff springs and big cams this guide delivers consistent valve sealing and reduced wear under extreme conditions.
Key Features
- Stopper Design: Flange on bottom locks guide in place to resist high spring pressures and prevent insertion into head during operation
- +0.001" Oversize: Provides exact stem-to-guide clearance for oversized valves in rebuilt performance 4G63 engines
- Manganese Bronze Material: Delivers superior wear resistance heat dissipation and longevity in turbocharged applications
- Precision CNC Machined: Tight tolerances ensure drop-in fit and optimal valve action for high-revving motors
- Sold Individually: Allows replacement of worn guides without buying full sets saving time and cost on repairs
Product Notes
- Pair with matching exhaust guides and oversized valves for complete valvetrain refresh
- Inspect all guides during head work and replace as needed for even wear
- Special order item with manufacturer direct fulfillment
Installation Notes
- Professional installation recommended.
- Hone guide bores to +0.001" using dedicated 4G63 tool kit before installation
- Compatible with OEM or aftermarket DOHC 4G63 heads requires valve seat machining for oversize
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1990-1994 | Mitsubishi | Eclipse | GSX GST |
| 1990-1994 | Eagle | Talon | TSi |
| 1990-1994 | Plymouth | Laser | Turbo RS |
| 1995-1999 | Mitsubishi | Eclipse | GSX GST |
| 1995-1999 | Eagle | Talon | TSi |
| 1988-1992 | Mitsubishi | Galant | VR-4 |
Why Choose GSC Power-Division?
- Proven in drag racing and road race 4G63 builds worldwide
- USA-made with focus on motorsport durability
- Engineered specifically for modified turbo engines
Frequently Asked Questions
-
Q: Will this fit Lancer Evolution 4G63 heads?
A: Designed for DSM 7-bolt and Galant 4G63 DOHC heads Evolution models use GSC Evo-specific guides like 3610 series confirm your head casting -
Q: What valves pair with this +0.001 guide?
A: Matches valves with 7.980-7.982mm stems including Ferrea GSC or Supertech +0.001 options for proper 0.001-0.002 inch clearance -
Q: What warranty applies?
A: GSC offers limited lifetime warranty on valve guides against manufacturing defects when installed by certified shop
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Protective padded envelope 4 x 4 x 1 inches
- Weight: 0.1 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 ProductsLet customers speak for us
Looks pretty nice
Looks pretty nice, pricing was good and the reinforcement is a big plus.
Randy H.
Black Ops Auto Works
I emailed customer service to inquire about when it would be shipped
I emailed customer service to inquire about when it would be shipped. They checked and emailed me with the answer. Customer service is A1
Ralph J.
Black Ops Auto Works
Installation was easy
Installation was easy. The price is good and it looks great on the truck.
Ralph J.
RHO Small Grille Badge
Looks as good as it fits
Looks as good as it fits,
zachary d.
Seibon 70-73 Datsun 240Z OE Carbon Fiber Hood
Nothing like it
I love it great sound and response
Luis P.
Legmaker Dodge Durango HEMI Short Ram CAI 2011-Present 5.7L
Car totally diferent with the whole kit
Car totally diferent with the whole kit. Ive stood next to wide bodies and my car gets more attention at times . Ive bought the kit twice already.
Ding D.
2015-2023 Dodge Charger Carbon Fiber Wind Splitters
Fantastic emblem! Exactly what I was looking for
Fantastic emblem! Exactly what I was looking for. Great quality emblem.
Jacobus S.
Direct Connection Black Metallic Fender Badge
Worked great for my aftermarket hood on my Chrysler 2023 300C
Worked great for my aftermarket hood on my Chrysler 2023 300C. Thanks
Robert G.
Windshield Washer Squirter Relocation Kit Universal
Easy to install and makes car sound even better
Easy to install and makes car sound even better love the winn
Tracy H.
Legmaker Challenger/Charger Hellcat Demon & Redeye Air Intake
Awesome customer support
Awesome customer support. Had multiple issues with fedex and these guys were excellent in helping me sort everything out. The drop springs are great too! I highly recommend
Anonymous
Swift Spec-R Lowering springs Jeep Grand Cherokee 2011-2021
100/100! perfect CF crafted cold air intake for 6
100/100! perfect CF crafted cold air intake for 6.4 jeep .. even makes my AWE exhaust sound even deeper and you cam here this thing sucking when accelerating even at normal speeds🥶
srt.boizzz
Legmaker 392 TH Short Ram Jeep Grand Cherokee SRT 2012-2021
