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Item #:
139851312
Honda/Acura K20/K24 Black Nitrided Intake Valve - +1mm Oversize - Set of 8 (HIVN-1022D-8)
80% of respondents would recommend this to a friend
Item #:
139851312
XCD 640
Price Details
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*All items will import from US
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Imported from USA store
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Order now and get it around Monday, September 21
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Supertech valve springs provide a serious competitive advantage in performance and durability for your racing engine.
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What Stands Out
Oversized Design
The +1mm oversize ensures enhanced airflow, improving engine performance and efficiency over standard valves, making it ideal for performance enthusiasts seeking power gains.
Durable Finish
Black nitrided coating significantly increases wear resistance and durability, resulting in a longer product lifespan, thus providing exceptional value for both daily drivers and race applications.
Complete Set
Includes a full set of 8 valves, simplifying installation and ensuring compatibility; perfect for builders looking for consistency and reliability in their Honda/Acura engine upgrades.
Product Details
| Brand Name | Supertech |
| Model Number | HIVN-1022D-8 |
| Global Trade Identification Number | 01037721244641 |
| Unit Count | 1 Count |
| Manufacturer | Supertech |
| Number of Items | 1 |
| Included Components | Main component only |
| Item Weight | 1.2 pounds (540 grams) |
| Manufacturer Part Number | HIVN-1022D-8 |
| Exterior Finish | Machined |
| Inlet Connection Type | Threaded |
| Number of Ports | 16 |
| Valve Type | Intake Valve |
| Item Dimensions | 6.8 x 6 x 2.3 inches (17.3 x 15.2 x 5.8 cm) |
| Size | +1mm Oversize |
| Material Type | Steel |
| Material | Steel |
| Brand | Supertech |
| Item dimensions L x W x H | 6.8 x 6 x 2.3 inches (17.3 x 15.2 x 5.8 cm) |
Who Should Buy?
-
Performance Tuners
Ideal for users looking to enhance engine performance and airflow efficiency in Honda/Acura K20/K24 engines.
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Race Enthusiasts
Perfect for competitive racers seeking to optimize their vehicle’s engine for higher RPM and power outputs.
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Engine Builders
Suitable for enthusiasts building custom engines focusing on high performance and endurance applications.
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Daily Drivers
Not ideal for standard vehicles where performance enhancements could lead to decreased fuel efficiency and everyday usability.
Product Description
Honda/Acura K20/K24 Black Nitrided Intake Valve - +1mm Oversize - Set of 8 (HIVN-1022D-8)
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Customer Questions & Answers
-
Question:
What materials are Supertech valve springs made from?
Answer: They are made from premium Superclean Chrome Silicon Vanadium Steel alloy. -
Question:
How do Supertech valve springs improve performance?
Answer: They provide higher durability at high RPMs and better structural memory. -
Question:
Are Supertech retainers also high-quality?
Answer: Yes, they are made from military certified Titanium alloy and CNC machined for precision.
Supertech Intake Valves HIVN-1022D-8 Editorial Review
Honda/Acura K20/K24 Black Nitrided Intake Valve - +1mm Oversize - Set of 8 (HIVN-1022D-8) is a high-performance component manufactured by Supertech, designed for enhanced engine efficiency. The black nitrided finish not only enhances durability but also provides improved heat resistance, making it a preferred choice among automotive enthusiasts. These intake valves are oversized by +1mm, offering enhanced airflow and performance for K20 and K24 engines. The dimensions of the valves are compact, fitting seamlessly into the engine structure. Users have noted the noticeable difference in power delivery, especially during acceleration, further cementing the valves' reputation for quality and performance in tuned engines.
Customer Reviews & Ratings
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Pros
- Oversized design improves airflow and performance
- Durable black nitrided finish
- Compatible with Honda K20/K24 engines
- Lightweight, easy installation
- Manufactured by trusted brand Supertech
Cons
- Minor adjustments may be needed during installation
Platform Trust & Buyer Confidence
JK
Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
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Anke
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10 September 2026 · via Trustpilot
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Verified buyer
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10 September 2026 · via Trustpilot
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Opaleye
Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
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Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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XCD 640
Order now and get it around Monday, September 21
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Features & Benefits
- Made with premium Superclean Chrome Silicon Vanadium Steel alloy.
- Engineered for higher performance and durability at high RPMs.
- Improved structural memory enhances spring reliability.
- Computer-controlled harmonics ensure optimal performance.
- Designed to withstand extreme conditions.
- CNC machined Titanium retainers offer a precise fit.
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