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  3. SUPERTECH SPR-H1021D-16

SUPERTECH SPR-H1021D-16 Dual Valve Spring Rate 30/21.80MM-21.8/16.2MM 22MM

fits model: Cb.

Spr-h1021d-16 Supertech Dual Valve Spring - 30/21.80mm-21.8/16.2mm 22mm Cb Rate

( Brand: Supertech ), ( Manufacturer Part Number: SPR-H1021D-16 ), ( Part Type: Valve Spring )

Review SUPERTECH Dual Valve Spring 30/21.80mm-21.8/16.2mm 22mm Rate fits CB

The Supertech SPR-H1021D-16 Dual Valve Spring Kit is a high-performance upgrade for your engine, specifically designed for applications requiring a 22mm compacted height (CB) valve spring. This kit includes two valve springs, each with a unique size and compression ratio to cater to the intake and exhaust valves.

The intake valve spring measures 30mm in outer diameter and 21.8mm in inner diameter, while the exhaust valve spring has an outer diameter of 21.8mm and an inner diameter of 16.2mm. Both springs are designed to ensure optimal valve control and reliability, enhancing engine performance and efficiency.

The intake valve spring features a compression ratio of 1.55:1, while the exhaust valve spring has a compression ratio of 1.45:1. This difference in ratios is essential to balance the engine's power output and promote smooth combustion. The dual valve spring setup ensures that the valves remain securely seated during high RPM operation and under heavy engine loads.

Supertech's valve springs are manufactured using high-quality materials and advanced manufacturing techniques. The steel used in the springs is selected for its strength, durability, and ability to maintain consistent compression throughout the engine's operating range. The springs are also designed with a dual-lobed shape to improve valve control and reduce the likelihood of valve bounce, ensuring consistent engine performance.

The installation of the Supertech SPR-H1021D-16 Dual Valve Spring Kit is a straightforward process, making it an excellent choice for DIY enthusiasts and professional mechanics alike. The kit includes all necessary hardware, allowing for a complete valve spring replacement without the need for additional parts.

Upgrading to the Supertech SPR-H1021D-16 Dual Valve Spring Kit offers numerous benefits, including improved engine performance, enhanced reliability, and increased durability. By upgrading to these high-performance springs, you can unlock the full potential of your engine, delivering more power, smoother operation, and increased efficiency.

In summary, the Supertech SPR-H1021D-16 Dual Valve Spring Kit is a premium upgrade for your engine, designed to enhance performance, reliability, and durability. With its unique size and compression ratio combination, this kit caters to engines requiring a 22mm compacted height valve spring and is an excellent choice for those seeking to unlock the full potential of their engine.

Supertech's SPR-H1021D-16 dual valve spring kit is designed for high-performance applications in 4-stroke internal combustion engines, specifically those with a 22mm compression height (cb) and a 30mm intake valve diameter (outer diameter) and 21.8mm exhaust valve diameter (outer diameter). Here are some pros and cons of buying this product:

Pros:

1. Enhanced engine performance: The dual valve spring design provides better valve control and reduces the chances of valve bounce or valve float, leading to improved combustion efficiency and increased horsepower.

2. Durability: Supertech springs are made of high-quality materials, including chrome silicon alloy wire, and are designed to withstand the rigors of high-performance applications.

3. Custom fit: This spring kit is specifically designed for engines with the given valve sizes and compression height, ensuring a perfect fit and reducing the chances of installation issues.

4. Improved reliability: By reducing valve bounce and float, this spring kit can help improve engine reliability and reduce the chances of valve damage.

Cons:

1. Cost: High-performance valve springs like the Supertech SPR-H1021D-16 can be more expensive than stock springs, which may be a deterrent for some budget-conscious buyers.

2. Installation: Installing high-performance valve springs can be a complex process and may require specialized tools and expertise. It is recommended to have the installation done by a professional mechanic or engine builder.

3. Increased noise: High-performance valve springs can sometimes result in increased engine noise due to the increased spring pressure and faster valve movement.

Ending conclusion:

The Supertech SPR-H1021D-16 dual valve spring kit is an excellent choice for those looking to improve the performance and reliability of their high-performance engine. Its custom fit, durability, and enhanced valve control make it a worthwhile investment for enthusiasts and racers. However, the cost and installation requirements may be a deterrent for some buyers. Ultimately, the decision to purchase this product will depend on your specific needs, budget, and level of expertise.

Recommendation:

If you are looking to upgrade the valve springs in your high-performance engine and are willing to invest in a high-quality product, the Supertech SPR-H1021D-16 dual valve spring kit is an excellent choice. It is recommended to have the installation done by a professional mechanic or engine builder to ensure proper installation and optimal performance.

Details:

Supertech Dual Valve Spring - 30/21.80mm-21.8/16.2mm 22mm CB Rate 13.2lbs/mm Set of 16 Menu.: Supertech Dual Valve Spring - 30/21.80mm-21.8/16.2mm 22mm CB Rate 13.2lbs/mm Set of 16.

part #: sprh1021d16 prices

  • $250.27-$298.08

specifications voomvalve:

  • for models: Cb
  • brand: Supertech
  • mpn: Spr-h1021d-16
  • part type: Valve Spring

shipping voomvalve:

  • cost: $0.00
  • transit: 3-7 Days
  • type: Fixed
  • class: Standard
  • service: Standard

returns voomvalve:

  • time: 30 Days
  • policy: Returns Accepted
  • paid by: Seller

offer voomvalve:

  • started: August 28, 2025
  • options: Ship-to-home
  • availability: In Stock
  • sold: 0

seller voomvalve:

  • # reviews: 45082
  • rating: 96.9%
  • city: Saint Paul, Minnesota

general voomvalve:

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

payments voomvalve:

  • credit card: Mastercard
  • wallet: Apple-pay
  • other
for models: cb, part type: valve spring,
category: auto parts > engines engine parts > valvetrain components > valves, sku: 8981757555035753,

Supertech SPR-H1021D-16 Is Similar To:

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5 offers $250.27–$298.08 USD
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  • Offer #4: $270.29 price + $0.00 shipping estimate = $270.29* total. Images of item are shown above may be actual or for product reference only. Supertech Dual Valve Spring - 30/ /16.2mm - 22mm CB - Rate 13.2lbs/mm - Set of 16.FREE SHIPPING
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