GSC Power Division 4B11T Super Alloy Exhaust Valve STD — Fits 2008-2015 Mitsubishi Lancer Evolution X

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SKU: GSC2025-8
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About GSC Power Division

GSC Power Division engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full GSC Power Division lineup with fast shipping and expert fitment support — order with confidence.

Ultimate Thermal Protection with Super Alloy Valves

When you are pushing your Mitsubishi 4B11T engine to the limit, heat is your biggest enemy. The GSC Power Division Super Alloy Exhaust Valve set is engineered specifically to withstand the extreme exhaust gas temperatures (EGTs) associated with high-boost turbo setups. These valves are crafted from a specialized super alloy that maintains structural integrity under conditions where standard valves would fail.

Why Choose Super Alloy?

  • Material: High-Temp Super Alloy
  • Head Diameter: 29mm (Standard)
  • Application: Mitsubishi 4B11T
  • Set includes 8 exhaust valves
  • Superior resistance to heat-induced deformation

These valves are the gold standard for high-horsepower Evo X builds. By preventing valve stretch and burning, they provide the peace of mind needed for track days and high-performance street driving. The chrome-polished surface further ensures smooth operation and longevity. If you are building a serious engine, do not compromise on your valve train components. Upgrade to GSC Super Alloy valves for maximum durability and performance. Find these and other premium engine parts at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About GSC Power Division

GSC Power Division engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full GSC Power Division lineup with fast shipping and expert fitment support — order with confidence.

Ultimate Thermal Protection with Super Alloy Valves

When you are pushing your Mitsubishi 4B11T engine to the limit, heat is your biggest enemy. The GSC Power Division Super Alloy Exhaust Valve set is engineered specifically to withstand the extreme exhaust gas temperatures (EGTs) associated with high-boost turbo setups. These valves are crafted from a specialized super alloy that maintains structural integrity under conditions where standard valves would fail.

Why Choose Super Alloy?

  • Material: High-Temp Super Alloy
  • Head Diameter: 29mm (Standard)
  • Application: Mitsubishi 4B11T
  • Set includes 8 exhaust valves
  • Superior resistance to heat-induced deformation

These valves are the gold standard for high-horsepower Evo X builds. By preventing valve stretch and burning, they provide the peace of mind needed for track days and high-performance street driving. The chrome-polished surface further ensures smooth operation and longevity. If you are building a serious engine, do not compromise on your valve train components. Upgrade to GSC Super Alloy valves for maximum durability and performance. Find these and other premium engine parts at GGCRACING.

Product Details

Product Description

About GSC Power Division

GSC Power Division engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full GSC Power Division lineup with fast shipping and expert fitment support — order with confidence.

Ultimate Thermal Protection with Super Alloy Valves

When you are pushing your Mitsubishi 4B11T engine to the limit, heat is your biggest enemy. The GSC Power Division Super Alloy Exhaust Valve set is engineered specifically to withstand the extreme exhaust gas temperatures (EGTs) associated with high-boost turbo setups. These valves are crafted from a specialized super alloy that maintains structural integrity under conditions where standard valves would fail.

Why Choose Super Alloy?

  • Material: High-Temp Super Alloy
  • Head Diameter: 29mm (Standard)
  • Application: Mitsubishi 4B11T
  • Set includes 8 exhaust valves
  • Superior resistance to heat-induced deformation

These valves are the gold standard for high-horsepower Evo X builds. By preventing valve stretch and burning, they provide the peace of mind needed for track days and high-performance street driving. The chrome-polished surface further ensures smooth operation and longevity. If you are building a serious engine, do not compromise on your valve train components. Upgrade to GSC Super Alloy valves for maximum durability and performance. Find these and other premium engine parts at GGCRACING.

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