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GSC P-D Mitsubishi 4G63T Evo 1-9 / 90-98 DSM Valve Keeper (Set Set of 32) - Black Ops Auto Works
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GSC P-D Mitsubishi 4G63T Evo 1-9 / 90-98 DSM Valve Keeper (Set Set of 32)

GSC1003
GSC1003
Valve Locks
20+ Units In Stock - Ships Next Business Day
$ 38.50 $ 32.73
$ 32.73

SKU: 1003

GSC P-D Mitsubishi 4G63T Evo 1-9 / 90-98 DSM Valve Keeper (Set of 32)

GSC Power-Division valve keepers secure valves in the 4G63T engine powering Evo 1-9 models and 1990-1998 DSM vehicles including Eclipse GST GSX Talon TSi and Galant VR4. This set of 32 provides reliable retention under high spring pressures for track or street performance builds. Engineered as a direct OEM replacement with enhanced design for demanding RPM ranges.

Key Features

  • Larger under-cut angle: Supports higher spring pressures without keepers pulling through retainers
  • 7-degree top angle: Creates secure lock onto valve stems for positive retention
  • Black nitrided finish: Increases strength fatigue resistance and durability
  • Direct replacement design: Compatible with OEM retainers and GSC retainers
  • Complete set of 32: Covers all valves in 4G63 DOHC 16-valve heads

Product Notes

  • Sold as a matched set of 32 for full engine coverage
  • Inspect retainers and springs during installation for compatibility
  • Packaged in protective box for safe transit

Installation Notes

  • Professional installation recommended.
  • Requires complete valve train disassembly and reassembly
  • Compatible with stock hardware and aftermarket dual valve springs

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 motorsport valvetrain applications worldwide
  • CNC machined from high-strength steel for precision fit
  • Designed tested for high-RPM reliability in 4G63 builds

Frequently Asked Questions

  • Q: Will these fit all Evo 1-9 models with 4G63T?
    A: Yes covers Evo 1 through 9 including US Lancer Evolution 2005-2006 and JDM variants with DOHC 16-valve heads
  • Q: What material and finish are used?
    A: Hardened steel construction with black nitride coating for corrosion resistance and extended life
  • Q: What is the warranty policy?
    A: GSC provides limited lifetime warranty against manufacturing defects when installed by certified professionals

Shipping & Handling

  • Method: Standard ground shipping
  • Availability: In stock - ships same or next business day
  • Packaging: Compact protective box 4 x 4 x 1 inches
  • Weight: 0.2 lbs

Request For Information

Have questions about GSC P-D Mitsubishi 4G63T Evo 1-9 / 90-98 DSM Valve Keeper (Set Set of 32)? Fill out the form below and we'll get back to you by the next business day.
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