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  3. COMP CAMS 977-1

COMP CAMS 977-1 Dual Valve Spring 036584271963

977-1 Comp Cams Competition Dual Valve Spring

( Brand: Comp Cams ), ( Manufacturer Part Number: 977-1 ), ( Type: Dual Valve Spring ), ( Country Of Origin: United States ), ( Performance Part: Yes ), ( UPC: 036584271963 )

Review COMP CAMS Competition Dual Valve Spring

Introducing the Comp Cams 977-1 Dual Valve Spring Kit, an essential upgrade for your high-performance engine. Designed to provide enhanced durability and reliability, this dual valve spring kit is ideal for engines running increased valve spring loads due to high RPM operation or larger camshafts.

The Comp Cams 977-1 kit comes with two complete sets of dual springs, each consisting of a heavy-duty compressor spring and a powerful power valve spring. These springs are meticulously crafted from high-quality materials, ensuring superior performance and longevity. The compressor springs are designed to maintain proper valve control during the intake and compression strokes, while the power valve springs deliver the required force during the exhaust stroke.

Comp Cams' dual valve spring design offers several advantages over traditional single spring setups. By separating the functions of the compressor and power springs, these dual springs can better handle the forces acting on the valves, reducing the likelihood of valve bounce and ensuring consistent valve control at high RPM. Additionally, the dual spring design allows for a taller, more aggressive camshaft profile, unlocking greater power potential from your engine.

The Comp Cams 977-1 Dual Valve Spring Kit is engineered to fit a wide range of applications, including popular small-block Chevy and Ford engines. Each kit includes all necessary hardware, including retainers, locks, and collets, ensuring a straightforward and hassle-free installation process. Installation is typically performed by a professional mechanic or engine builder, but detailed instructions are provided to help those who wish to tackle the job themselves.

Investing in the Comp Cams 977-1 Dual Valve Spring Kit is an excellent way to enhance the performance and durability of your high-performance engine. Whether you're building a race engine or simply seeking to maximize the potential of your daily driver, these high-quality dual valve springs will help you achieve your goals with confidence.

Comp Cams 977-1 Dual Valve Springs are aftermarket valve springs designed to provide improved performance in high-performance engines. Here are some pros and cons of buying these valve springs:

Pros:

1. Enhanced Performance: Comp Cams 977-1 Dual Valve Springs offer increased valve control, allowing for higher RPMs and improved engine power.

2. Durability: These valve springs are designed to withstand the rigors of high-performance engines, providing increased reliability and longevity.

3. Customizable: Comp Cams offers a range of spring rates and lengths to accommodate different engine configurations and performance goals.

4. Easy Installation: These valve springs are designed to be a direct replacement for OEM springs, making installation relatively straightforward.

Cons:

1. Cost: Comp Cams 977-1 Dual Valve Springs are more expensive than OEM valve springs.

2. Potential for Noise: Some users have reported increased engine noise after installing these valve springs.

3. Compatibility: Ensure these valve springs are compatible with your specific engine and application before purchasing.

Conclusion:

Comp Cams 977-1 Dual Valve Springs offer significant performance benefits for high-performance engines and are known for their durability. However, they come with a higher cost compared to OEM springs and may result in increased engine noise. It is crucial to ensure compatibility and consider your specific performance goals before making a purchase.

Recommendation:

If you are looking to improve the performance of your high-performance engine, Comp Cams 977-1 Dual Valve Springs can be a worthwhile investment. Ensure you choose the correct spring rate and length for your specific engine configuration and consider the potential for increased engine noise.

Details:

Inside Diameter: 0.7 in. Manufacturer: COMP Cams, Part Number: 977-1, condition: New: Valve Spring. The dual spring design creates a stronger valve that can easily handle the increased lift found in extreme stress applications. FEATURES: Dual Valve Spring.

Coiled On the Most Advanced CNC Machines. Position: N/A. Looking for that ultimate hard-hitting muscle car idle. Spring Type: Double.

Whether your engine is naturally aspirated, or you run notorious, a supercharger turbo, our Cams make more horsepower than any other. SPECIFICATIONS: Coil Bind height in.: 1.195. Dual Valve Spring; 1.460 2 Spring Assembly; Seat Load 155 1.850; 1 pc.;

part #: 9771 prices

  • $18.14-$29.46

specifications voomvalve:

  • brand: Comp Cams
  • mpn: 977-1
  • type: Dual Valve Spring
  • country of origin: United States
  • performance part: Yes
  • upc: 036584271963

shipping voomvalve:

  • service: Standard
  • class: Standard
  • cost: $0.00
  • transit: 4-7 Days
  • type: Fixed

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  • city: San Leandro, California
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offer voomvalve:

  • started: February 19, 2026
  • sold: 0
  • options: Ship-to-home
  • availability: In Stock
  • quantity: 2

general voomvalve:

  • Engines Engine Parts > Valvetrain Components > Valves
  • condition: New
type: dual valve spring, country of origin: united states, performance part: yes,
category: auto parts > engines engine parts > valvetrain components > valves, sku: 12270583323546632,

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  • Offer #1: $29.46 price + $0.00 shipping estimate = $29.46* total. Looking for that ultimate hard-hitting muscle car idle?.FREE SHIPPING
  • Offer #2: $18.14 price + $17.99 shipping estimate = $36.13* total. If a defect is identified after this period, it will fall under the manufacturer's warranty and should be handled directly with them.+$17.99 shipping

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