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The GSC Power Division Mitsubishi Evo 4-9 4G63 Race Balance Shaft is a balance shafts for the normalized year, make, and model applications shown below. Match manufacturer part number 8042, engine code, cylinder-head configuration, dimensions, position, material, and package quantity before ordering.
Key Features
- Reduced Bearing Surface: 0.866 inch diameter versus OEM 1.100 inch minimizes oil drag enabling freer spinning at high RPMs.
- Billet 4340 Steel Construction: Delivers maximum strength and fatigue resistance for extreme race conditions in high horsepower 4G63 setups.
- 60% Weight Reduction: Cuts mass from OEM 4 lbs to 1.6 lbs accelerating revving reducing parasitic drag and improving throttle response.
- Weight: 2.2 lbs shipped (1.6 lbs product).
- Direct OEM Replacement: Bolts directly into factory housing using stock gears and mounting points with zero modifications required.
- Machined to exacting tolerances for perfect balance and longevity.
Fitment
| Years | Make | Model | Application |
|---|---|---|---|
| 1990-1998 | Eagle | Talon | Confirm engine platform, cylinder-head configuration, dimensions, and exact GSC application |
| 1990-1999 | Mitsubishi | Eclipse | Confirm engine platform, cylinder-head configuration, dimensions, and exact GSC application |
| 1991-1992 | Mitsubishi | Galant | Confirm engine platform, cylinder-head configuration, dimensions, and exact GSC application |
| 2005-2006 | Mitsubishi | Lancer | Confirm engine platform, cylinder-head configuration, dimensions, and exact GSC application |
| 1990-1994 | Plymouth | Laser | Confirm engine platform, cylinder-head configuration, dimensions, and exact GSC application |
Specifications
| Brand | GSC Power Division |
|---|---|
| Manufacturer Part Number | 8042 |
| Product Type | Balance Shafts |
| Fitment Type | Vehicle Specific |
| Condition | New |
What's Included
One new GSC Power Division balance shafts package identified by manufacturer part number 8042, in the size and quantity stated by the title. Springs, retainers, locks, valves, guides, seals, followers, shims, bearings, fasteners, gaskets, lubricants, and other assembly parts are included only when expressly listed for this exact part number.
About GSC Power Division
GSC Power Division develops performance camshafts, valves, valve guides, springs, retainers, seals, and related valvetrain components for import and domestic engine platforms.
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Frequently Asked Questions
How do I confirm this engine component matches my build?
Match the exact GSC part number, engine platform, dimensions, quantity, mating components, and current application notes before ordering.
Is professional installation recommended?
Yes. Internal engine and cylinder-head work requires accurate inspection, machining when specified, measured clearances, clean assembly practices, and current torque or setup procedures.
What else should be inspected during installation?
Inspect every mating component and verify lubrication, clearances, fasteners, timing, free movement, and interference before the engine is started.
Installation Instructions
Follow current GSC Power Division instructions and the vehicle service manual for part number 8042. Have a qualified engine builder inspect the cylinder head and mating components, perform required machining, measure every specified clearance, verify timing and free movement, and use the correct lubrication, fasteners, torque procedures, and clean assembly practices before startup.
GSC Power Division
Shop GSC Power Division camshafts, valves, guides, springs, retainers, seals, and related valvetrain components by exact manufacturer part number and verified application. Confirm the engine code, cylinder-head configuration, dimensions, position, material, and package quantity before ordering. GSC Power Division Product Families The collection includes performance camshafts, intake and exhaust valves, valve guides, valve springs, retainers, valve seals, locks, lifters, balance shafts, and related engine hardware for import and domestic engine platforms. Choosing the Correct GSC Power Division Part Match the exact GSC manufacturer part number and package quantity Confirm the engine code and exact cylinder-head configuration Check valve position, stem diameter, head diameter, guide size, material, and oversize specification Match camshaft lift and duration to the required springs, retainers, clearances, and engine management Have a qualified engine builder verify machining, install...
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