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  3. FERREA KT4013

FERREA KT4013 Dual Valve Springs Retainers Kit 4G63T 95LBS

fits model: Evo. year: 2003–2007.

Kt4013 Ferrea Evo Viii 8 03-07 4g63t 95lbs Dual Valve Springs Ti Retainers Kit

( Brand: Ferrea ), ( Manufacturer Part Number: KT4013 ), ( Part Type: Valve Spring ), ( Engine Codes: 4g63t ), ( Vehicle Make: Mitsubishi )

Review FERREA Viii 95lbs Dual Valve Springs Ti Retainers Kit fits EVO 2003–2007

The Ferrea KT4013 EVO 03-07 4G63T 95lbs Dual Valve Springs Retainers Kit is a high-performance upgrade for your Mitsubishi Evolution engine. These retainer kits are designed to work with the 4G63T engine found in select Mitsubishi Evolution models between 2003 and 2007.

The Ferrea KT4013 EVO Dual Valve Springs Retainers Kit includes a set of 13 dual valve spring retainers. Each retainer is made from top-quality materials, featuring a hardened steel body and a high-tensile alloy outer ring. The inner rings are made from a heat-resistant material, ensuring they can withstand the extreme temperatures and pressures generated within the engine.

One of the key benefits of these Ferrea retainers is their 95lbs dual valve spring setup. This provides superior valve control, reducing valve float and improving engine response. Additionally, the dual spring design enhances durability, allowing the engine to handle increased power and RPM levels.

These retainers are designed to be a direct replacement for the original equipment retainers. The kit includes all necessary hardware for installation, making the process straightforward and hassle-free. The Ferrea KT4013 EVO Dual Valve Springs Retainers Kit is an excellent choice for those looking to maximize the performance of their Mitsubishi Evolution engine.

In conclusion, the Ferrea KT4013 EVO 03-07 4G63T 95lbs Dual Valve Springs Retainers Kit is a premium upgrade for your Mitsubishi Evolution engine. With their high-quality materials, superior valve control, and easy installation process, these retainers offer significant performance benefits for your engine.

Pros and Cons of Buying Ferrea KT4013 Evo Dual Valve Spring Retainers Kit for 03-07 4G63T 95lbs Engines

Introduction:

The Ferrea KT4013 Evo Dual Valve Spring Retainers Kit is designed for engines like the 03-07 4G63T with 95lbs springs. This kit aims to improve engine performance and reliability by providing high-quality, dual valve spring retainers. In this analysis, we will discuss the advantages and disadvantages of purchasing this product.

Pros:

1. Enhanced Engine Performance: The dual valve spring retainers offer improved valve control, resulting in better engine response and power output.

2. Increased Durability: Ferrea's retainers are designed using high-strength materials, ensuring they can withstand the rigors of high-performance driving and racing applications.

3. Reduced Valve Train Noise: The new retainers can help minimize the noise caused by the valve train, providing a quieter and more enjoyable driving experience.

4. Improved Valve Seat Wear: By providing better valve control, the retainers can help reduce excessive valve seat wear, leading to longer engine life and reduced maintenance costs.

Cons:

1. Cost: The Ferrea KT4013 Evo Dual Valve Spring Retainers Kit is a more expensive option compared to OEM or aftermarket alternatives.

2. Installation Complexity: Installing the new retainers may require additional tools and expertise, making it a more labor-intensive process compared to a simple oil change or air filter replacement.

3. Potential for Engine Tuning: Installing the new retainers might necessitate engine tuning to ensure optimal performance and prevent potential issues.

Conclusion:

The Ferrea KT4013 Evo Dual Valve Spring Retainers Kit offers several advantages, including improved engine performance, increased durability, reduced valve train noise, and improved valve seat wear. However, it also comes with some disadvantages, such as a higher cost, installation complexity, and potential engine tuning requirements.

Recommendation:

If you are an enthusiast looking to maximize the performance of your 03-07 4G63T engine, the Ferrea KT4013 Evo Dual Valve Spring Retainers Kit is a worthwhile investment. However, it is essential to consider the cost, installation complexity, and potential engine tuning requirements before making a purchase. Ultimately, the decision to buy the Ferrea retainers depends on your budget, experience level, and performance goals.

Details:

Used Ferrea dual valve spring kit for Evo 8.

part #: kt4013 prices

  • $339.00-$343.95

specifications voomvalve:

  • for models: Evo
  • for years: 2003-2007
  • brand: Ferrea
  • mpn: Kt4013
  • part type: Valve Spring
  • engine codes: 4g63t
  • vehicle make: Mitsubishi

returns voomvalve:

  • policy: No Returns

offer voomvalve:

  • options: Ship-to-home
  • quantity: 1
  • availability: In Stock
  • sold: 0
  • best offers: True
  • started: January 12, 2026

general voomvalve:

  • Engines Engine Parts > Valvetrain Components > Valves
  • condition: Used

payments voomvalve:

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  • credit card: Discover

seller voomvalve:

  • city: Glasgow, Kentucky
  • # reviews: 415
  • rating: 100.0%

shipping voomvalve:

  • transit: 5-12 Days
  • class: Expedited
  • service: USPS Priority Mail
  • cost: $0.00
  • type: Fixed
  • carrier: USPS
for models: evo, for years: 2003-2007, part type: valve spring, engine codes: 4g63t, vehicle make: mitsubishi,
category: auto parts > engines engine parts > valvetrain components > valves, sku: 11483099929507603,

Ferrea KT4013 Is Similar To:

voomvalve logo
5 offers $339.00–$343.95 USD
  • Offer #1: $340.04 price + $0.00 shipping estimate = $340.04* total. This is a set of 16 STD Size Ferrea 6000 Series Valves for Mitsubishi You are buying a set (16pcs) of 6000 Series Ferrea Stainless Steel Valves.FREE SHIPPING
  • Offer #2: $339.00 price + $0.00 shipping estimate = $339.00* total. 109.7mm (exhaust). Our special on Ferrea Racing Valves & Components! We finish with a swirl polished head.FREE SHIPPING
  • Offer #3: $343.95 price + $0.00 shipping estimate = $343.95* total. They are heat treated and stress relieved with a swirl polished head. They are designed to withstand high rpm and high spring pressure at a budget price.FREE SHIPPING
  • Offer #4: $1041.41 price + $0.00 shipping estimate = $1041.41* total. Whether you are rebuilding your engine, or building an all out race engine, replacing your valvetrain with Ferrea components will allow you to rev higher, and go more aggressive on your cams. Great for high revving applications.FREE SHIPPING
  • Offer #5: $485.28 price + $0.00 shipping estimate = $485.28* total. Car Make: Mitsubishi. Engine: all years.FREE SHIPPING

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