HKS 2201-RT004 Performance Valve Springs MR2 4AGEC

( Brand: Hks ), ( Manufacturer Part Number: 2201-RT004 ), ( Part Type: Valve Spring ), ( Engine Codes: 4age 16v ), ( Vehicle Make: Toyota ), ( Vintage Part: No ), ( Country/region Of Manufacture: Japan ), ( Performance Part: Yes )

Review HKS Performance Valve Springs For Mr2 fits COROLLA 4AGE GTS 1985–1989

HKS 2201-RT004 Performance Valve Springs for Corolla GTS/MR2 1985-1989 4AGE & 4AGEC

The HKS 2201-RT004 Performance Valve Springs are a superior upgrade for the 16-valve 4AGE and 4AGEC engines found in the Corolla GTS and MR2 models from 1985 to 1989. These high-performance valve springs are designed and manufactured by HKS, a leading innovator in the automotive performance industry.

These HKS valve springs are engineered to provide improved valve control under high RPM and boosted conditions. The springs are made from a high-tensile chrome silicon alloy, ensuring superior strength and durability. They feature a dual-cone design, with the outer cone designed to control the initial movement of the valve and the inner cone responsible for maintaining valve control at high RPM.

One of the key benefits of these HKS valve springs is their ability to maintain proper valve clearance under extreme conditions. This is crucial for maintaining engine performance and preventing damage to the valves and pistons. The dual-cone design also allows for a more precise valve control, resulting in smoother engine operation and reduced valve bounce.

These HKS valve springs are a direct replacement for the stock valve springs, making for a straightforward installation process. They come in sets of four, with each spring designed to fit specific cylinder heads. The springs are also compatible with stock camshafts and lifters, making them a versatile upgrade for a wide range of applications.

In conclusion, the HKS 2201-RT004 Performance Valve Springs are a must-have upgrade for any 16-valve 4AGE or 4AGEC engine in a Corolla GTS or MR2 from 1985 to 1989. They offer superior strength, improved valve control, and increased durability, making them an essential component for any high-performance or boosted build. With their easy installation and compatibility with stock components, these valve springs are a smart investment for any enthusiast looking to maximize the potential of their engine.

The HKS 2201-RT004 performance valve springs are a popular upgrade for the 4AGE and 4AGEC engines found in Corolla GTS and MR2 models from 1985 to 1989. These springs are designed to provide better valve control, improve engine response, and support higher RPMs during performance driving or racing. Here are some pros and cons to consider before making a purchase:

1. Increased RPM limit: HKS valve springs can support higher engine RPMs, allowing for more power and improved performance.

2. Better valve control: These springs offer improved valve control during high RPM operation, leading to more consistent engine performance and reduced valvetrain wear.

3. Reduced valve float: Valve float, or the phenomenon where the valve moves slightly above its seat, can lead to loss of power and engine performance issues. HKS springs help reduce valve float for improved power and efficiency.

4. Enhanced engine response: These springs can provide quicker valve opening and closing, leading to improved engine response and throttle sensitivity.

1. Cost: HKS valve springs are typically more expensive than OEM springs, which may be a consideration for some buyers.

2. Installation complexity: Installing these springs may require specialized tools and expertise, which could add to the overall cost and time investment.

3. Potential for increased noise: Due to their stiffer design, HKS valve springs may produce more noise under heavy acceleration or high RPM operation.

4. Potential for engine damage: Improper installation or use of incorrect springs can result in engine damage, such as bent valves or damaged pistons.

The HKS 2201-RT004 performance valve springs offer several benefits for Corolla GTS and MR2 owners looking to improve their engine performance and support higher RPM operation. However, these springs also come with some potential downsides, including increased cost, installation complexity, and potential for increased noise. Ultimately, the decision to purchase these springs depends on your specific goals, budget, and technical abilities. If you're comfortable with the installation process and willing to invest in the performance benefits, HKS valve springs can be a worthwhile upgrade. If you're unsure about the installation process or have concerns about the cost, there may be other, less expensive options to consider.

Before making a decision, consider evaluating your specific needs and goals for your Corolla GTS or MR2. If you're looking for significant performance gains and are comfortable with the installation process, the HKS 2201-RT004 performance valve springs could be a worthwhile investment. However, if you're uncertain about the installation process or have concerns about the cost, consider exploring other, less expensive options, such as upgraded OEM springs or aftermarket alternatives from other manufacturers. It's also important to ensure that you have access to the necessary tools and expertise to install the springs properly to avoid any potential engine damage.

Details:

They are still brand new in the original packaging. HKS Performance Valve Springs Corolla Sport GTS 85-87 MR2 88-89 85-89 4AGE 2201-RT004 I purchased these for a 1988 project but did not use them.

part #: 2201rt004 prices

• $155.00-$195.93

specifications voomvalve:

• for models: 4age, Gts, Corolla
• for years: 1985-1989
• brand: Hks
• mpn: 2201-rt004
• part type: Valve Spring
• engine codes: 4age 16v
• vehicle make: Toyota
• vintage part: No
• country/region of manufacture: Japan
• performance part: Yes

payments voomvalve:

• other
• wallet: Paypal
• credit card: Discover

seller voomvalve:

• # reviews: 165
• city: Murfreesboro, Tennessee
• rating: 100.0%

shipping voomvalve:

• type: Calculated
• carrier: USPS
• service: USPS Ground Advantage
• cost: $7.96
• transit: 4-10 Days
• class: Standard

offer voomvalve:

• best offers: True
• availability: In Stock
• options: Ship-to-home
• started: September 13, 2025
• sold: 0
• quantity: 1

returns voomvalve:

• policy: No Returns

general voomvalve:

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

Hks 2201-RT004 Is Similar To:

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