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GSC P-D Mitsubishi Evolution 1-9 4G63 Beehive Valve Springs & Ti Retainer Kit GSC Power Division GSC5040
GSC P-D Mitsubishi Evolution 1-9 4G63 Beehive Valve Springs & Ti Retainer Kit GSC Power Division GSC5040
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GSC P-D Mitsubishi Evolution 1-9 4G63 Beehive Valve Springs & Ti Retainer Kit

GSC5040
GSC5040
Valve Springs, Retainers
20+ Units In Stock - Ships Next Business Day
$ 470.49 $ 399.92
$ 399.92

SKU: 5040 | UPC: GSC5040

GSC P-D Mitsubishi Evolution 1-9 4G63 Beehive Valve Springs & Ti Retainer Kit

This GSC Power-Division kit includes beehive valve springs and titanium retainers for the 4G63 DOHC engine in Mitsubishi Evolution 1-9 Lancer Evo DSM Eclipse Talon Galant and Plymouth Laser models. It prevents valve float at higher engine speeds for consistent boost performance. The reduced valvetrain mass enables reliable high-RPM operation up to 10,000 RPM in performance builds.

Key Features

  • Beehive Spring Design: Progressive dual coils reduce valvetrain weight by 30% compared to stock for faster valve action and higher rev limits
  • Titanium Retainers: 10 gram retainers per valve offer greater strength than steel to resist fatigue in turbocharged 4G63 setups
  • Precise Spring Rates: Intake seat 85 lbs at 1.780 inches open 225 lbs at 1.170 inches exhaust seat 95 lbs open 240 lbs coil bind at 1.100 inches works with big cams
  • Complete Kit Contents: 16 beehive springs 16 Ti retainers and 32 matching valve locks direct fit for stock or aftermarket valves
  • High RPM Durability: Tested to 10,000 RPM holds control in 500+ whp 4G63 builds for drag racing and time attack

Product Notes

  • Inspect retainer to guide clearance during install to ensure proper seating
  • Recommended for use with stock valve seals or upgraded 10-degree seals
  • Ships in protective foam-lined box dimensions 10 x 8 x 4 inches product weight 4.2 lbs shipping weight 5 lbs

Installation Notes

  • Professional installation recommended.
  • Use quality spring compressor tool check installed height after assembly
  • Compatible with OEM or aftermarket cams verify stem clearance with beehive profile

This Part Fits

Year Make Model Submodel
1992-2006 Mitsubishi Lancer Evolution 1-9
2005-2006 Mitsubishi Lancer Evolution MR
2005-2006 Mitsubishi Lancer Evolution RS
2006 Mitsubishi Lancer Evolution SE
1990-1998 Eagle Talon TSi
1990-1999 Mitsubishi Eclipse GST
1990-1999 Mitsubishi Eclipse GSX
1990-1994 Mitsubishi Eclipse GS
1996-1999 Mitsubishi Eclipse Spyder GST
1991-1992 Mitsubishi Galant VR-4
1990-1994 Plymouth Laser RS

Why Choose GSC Power-Division?

  • Proven in NHRA drag racing and SCCA rallycross with multiple championship teams
  • CNC machined from premium 51CrV4 wire and aerospace-grade titanium
  • Dyno and flow bench validated for exact 4G63 valvetrain dynamics

Frequently Asked Questions

  • Q: Will this kit fit all Evolution 1-9 4G63 engines including JDM models?
    A: Yes direct bolt-on for all DOHC 16-valve 4G63 heads in Evo 1-9 USDM JDM including Evo 8/9 with stock or ported heads
  • Q: What materials are used in the springs and retainers?
    A: Beehive springs from heat-treated 51CrV4 steel retainers from 6AL4V titanium locks from high-strength steel all shot-peened for longevity
  • Q: What is the warranty and install process?
    A: Lifetime warranty on springs 1-year on retainers requires professional install with spring height check for optimal pressures

Shipping & Handling

  • Method: UPS Ground or FedEx Home Delivery
  • Availability: In stock - ships same or next business day
  • Packaging: Foam-lined cardboard box 10 x 8 x 4 inches
  • Weight: 4.2 lbs

Request For Information

Have questions about GSC P-D Mitsubishi Evolution 1-9 4G63 Beehive Valve Springs & Ti Retainer Kit? Fill out the form below and we'll get back to you by the next business day.
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