Brian Crower

Brian Crower 4G63/EVO 8/9 Single Spring & Steel Retainer Kit — Fits Mitsubishi 4G63

Brian Crower 4G63/EVO 8/9 Single Spring & Steel Retainer Kit — Fits Mitsubishi 4G63
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Brian Crower 4G63/EVO 8/9 Single Spring & Steel Retainer Kit — Fits Mitsubishi 4G63
Brian Crower

Brian Crower 4G63/EVO 8/9 Single Spring & Steel Retainer Kit — Fits Mitsubishi 4G63

SKU: BRCBC0100S
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About Brian Crower Brian Crower engineers high-quality automotive parts and ...Read More

Price:
$194.99
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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
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Product Details

Product Description
Part Numbers
Sizing & Fit

About Brian Crower

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

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Durable Valvetrain Solutions for 4G63 Platforms

When building a high-performance 4G63 engine, the valvetrain is a critical point of failure. The Brian Crower 4G63/EVO 8/9 Single Spring & Steel Retainer Kit provides the perfect balance of strength and cost-effectiveness. Designed for those who want to improve engine reliability without the added cost of titanium, this steel-based kit is built to withstand rigorous daily driving and track use.

Engineered for Performance

  • High-grade steel retainers for long-term durability
  • Optimized spring rates for high-boost 4G63 applications
  • Perfect fitment for EVO 8 and 9 cylinder heads
  • Prevents valve float and maintains valvetrain geometry

These springs are crafted to provide consistent pressure, ensuring that your valves close precisely every time, even under high-boost conditions. The steel retainers offer excellent wear resistance, making them an ideal choice for street-driven cars that see occasional track time. By choosing Brian Crower, you are investing in decades of racing heritage and engineering excellence. Upgrade your Mitsubishi engine with the confidence that comes from using top-tier components available through GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Brian Crower

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

Watch in action

Durable Valvetrain Solutions for 4G63 Platforms

When building a high-performance 4G63 engine, the valvetrain is a critical point of failure. The Brian Crower 4G63/EVO 8/9 Single Spring & Steel Retainer Kit provides the perfect balance of strength and cost-effectiveness. Designed for those who want to improve engine reliability without the added cost of titanium, this steel-based kit is built to withstand rigorous daily driving and track use.

Engineered for Performance

  • High-grade steel retainers for long-term durability
  • Optimized spring rates for high-boost 4G63 applications
  • Perfect fitment for EVO 8 and 9 cylinder heads
  • Prevents valve float and maintains valvetrain geometry

These springs are crafted to provide consistent pressure, ensuring that your valves close precisely every time, even under high-boost conditions. The steel retainers offer excellent wear resistance, making them an ideal choice for street-driven cars that see occasional track time. By choosing Brian Crower, you are investing in decades of racing heritage and engineering excellence. Upgrade your Mitsubishi engine with the confidence that comes from using top-tier components available through GGCRACING.

Product Details

Product Description

About Brian Crower

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

Watch in action

Durable Valvetrain Solutions for 4G63 Platforms

When building a high-performance 4G63 engine, the valvetrain is a critical point of failure. The Brian Crower 4G63/EVO 8/9 Single Spring & Steel Retainer Kit provides the perfect balance of strength and cost-effectiveness. Designed for those who want to improve engine reliability without the added cost of titanium, this steel-based kit is built to withstand rigorous daily driving and track use.

Engineered for Performance

  • High-grade steel retainers for long-term durability
  • Optimized spring rates for high-boost 4G63 applications
  • Perfect fitment for EVO 8 and 9 cylinder heads
  • Prevents valve float and maintains valvetrain geometry

These springs are crafted to provide consistent pressure, ensuring that your valves close precisely every time, even under high-boost conditions. The steel retainers offer excellent wear resistance, making them an ideal choice for street-driven cars that see occasional track time. By choosing Brian Crower, you are investing in decades of racing heritage and engineering excellence. Upgrade your Mitsubishi engine with the confidence that comes from using top-tier components available through GGCRACING.

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