1. Throttle Body For Sale
  2. sku: 11684250373552892
  3. KYOSTAR KD1235BK

KYOSTAR KD1235BK Throttle Body Gm 92MM L76 L99

fits model: Ls3, Ls7, Ss, Corvette, Camaro. make: Chevrolet.

Kd1235bk Kyostar Used 92mm Throttle Body For Chevrolet Gm Ls3 Ls7 L76 L99 Corvette Camaro Ss

( Brand: Kyostar ), ( Manufacturer Part Number: KD1235BK ), ( Material: Aluminum ), ( Fitment Type: Direct Replacement ), ( Oe/oem Part Number: 12605109 ), ( Type: Throttle Body ), ( Color: Black ), ( Features: Electronic ), ( Connector Type: Pin ), ( Universal Fitment: No ), ( Country Of Origin: China )

Review KYOSTAR Used 92mm Throttle Body Chevrolet Gm L76 L99 fits CORVETTE CAMARO LS3 LS7 SS

The **Kyostar KD1235BK 92mm Throttle Body** is a meticulously engineered aftermarket component designed to enhance the performance and throttle response of high-performance Chevrolet and GM LS-based engines, including the legendary **LS3, LS7, L76, and L99** powerplants, as well as applications in the **Corvette (C6), Camaro (SS), and other LS-series vehicles**. Crafted from high-quality **anodized aluminum**, this throttle body features a **92mm bore**, offering a substantial increase in airflow capacity compared to the stock OEM units, which typically measure around 60mm. The larger diameter allows for improved airflow through the intake manifold, reducing vacuum restrictions and enabling the engine to breathe more efficiently under both cruising and high-load conditions. This results in a noticeable improvement in throttle response, smoother power delivery, and a more engaging driving experience, particularly in high-revving applications where stock throttle bodies often become a limiting factor.

What sets the **Kyostar KD1235BK** apart is its **precision-machined design**, which includes a **smooth, polished internal bore** to minimize turbulence and maximize airflow efficiency. The throttle body is equipped with a **high-quality, durable throttle blade** that operates with minimal friction, ensuring consistent and reliable performance even under aggressive driving conditions. Additionally, the unit is compatible with **Maf Sensor (Mass Air Flow) configurations**, making it a versatile upgrade for both **stock and modified setups**, including those with forced induction (turbocharged or supercharged) applications. The **black anodized finish** not only provides a sleek, custom aesthetic but also offers corrosion resistance, ensuring longevity even in demanding environments.

Installation of the **Kyostar KD1235BK** is straightforward, thanks to its **direct bolt-on compatibility** with the stock LS-series intake manifold, eliminating the need for extensive modifications or additional adapters. However, it is important to note that upgrading to a larger throttle body may require adjustments to the **ECU (Engine Control Unit)** to prevent fueling issues or rough idle conditions, as the increased airflow can temporarily disrupt the engine s calibration. Many aftermarket tuners, such as **Haltech, Link, or APEXI**, offer software solutions to remap the throttle body upgrade, ensuring optimal performance and drivability. For those seeking a more budget-friendly approach, some stock ECUs may tolerate the upgrade with minimal tuning, though performance gains will be more pronounced with a proper tune.

Beyond its performance benefits, the **Kyostar KD1235BK** is a popular choice among enthusiasts for its **cost-effective upgrade potential**. Compared to full intake manifold swaps or high-flow throttle bodies from other manufacturers, this unit delivers a significant airflow boost at a fraction of the cost, making it an ideal choice for those looking to squeeze out extra horsepower without a major investment. Whether paired with a **high-flow air intake**, **cold air intake**, or **supercharger/turbo setup**, the **92mm Kyostar throttle body** serves as a reliable stepping stone toward achieving a more responsive and powerful LS-based engine. For drivers and tuners who demand better throttle response, improved mid-range power, and a more engaging driving experience, the **Kyostar KD1235BK** is a standout aftermarket solution that delivers real-world performance gains with relative ease.

**Pros and Cons of buying a Kyostar KD1235BK 92mm Throttle Body for GM LS Engines**

The Kyostar KD1235BK is a 92mm throttle body designed for GM LS-series engines, including the LS3, LS7, L76, L99, and applications like the Corvette and Camaro. Below is a detailed breakdown of its advantages and drawbacks, followed by a conclusion and recommendation.

### **Pros**

1. **Improved Airflow and Horsepower**

The 92mm throttle body offers a larger bore than the stock 60mm or 65mm units, allowing for better airflow into the engine. This can lead to noticeable gains in horsepower and torque, especially when paired with supporting modifications like a larger intercooler, upgraded fuel system, or performance tuning. The increased airflow helps reduce throttle response lag and improves overall engine breathing.

2. **Better Throttle Response**

A larger throttle body reduces the restriction at the intake, allowing the engine to spool up faster under load. This is particularly beneficial in high-performance applications where quick throttle response is critical, such as in drag racing or track driving.

3. **Compatibility with Performance Upgrades**

The Kyostar KD1235BK is designed to work well with other performance parts, such as high-flow fuel injectors, larger intercoolers, and upgraded intake manifolds. This makes it a versatile choice for builders looking to push their LS engines beyond stock limits.

4. **Durability and Quality**

Kyostar is known for producing high-quality aftermarket parts, and the KD1235BK is no exception. It is constructed from durable materials and is designed to handle the stresses of high-performance applications. The throttle body includes a sturdy mounting bracket and is often paired with a performance throttle body controller (TBC) for precise control.

5. **Easy Installation**

The KD1235BK is designed to fit standard LS-series applications with minimal modifications required. It typically requires only basic tools for installation, and many users report that it bolts on without the need for additional adapters or gaskets.

6. **Support for Forced Induction**

While the throttle body itself does not directly support forced induction, the increased airflow capacity makes it a better candidate for future turbocharger or supercharger builds. Pairing it with a performance fuel system ensures that the engine can handle the additional power.

7. **Positive Community Feedback**

Many LS engine enthusiasts and tuners recommend the Kyostar KD1235BK for its reliability and performance gains. Online forums and reviews often highlight its ability to deliver consistent results without major issues.

---

### **Cons**

1. **Requires Supporting Modifications**

While the throttle body itself provides airflow benefits, it will not deliver significant gains on its own. To see meaningful improvements, you will need to pair it with other upgrades, such as:

- **Fuel system upgrades** (larger injectors, high-flow fuel pump, or an ECU tune).

- **Intake manifold** (if not already upgraded, such as a performance manifold or a full intake system).

- **Exhaust system** (to ensure proper backpressure balance).

Without these, the throttle body may not perform optimally, and you could risk running lean, which can damage the engine.

2. **Potential for Throttle Lag**

While the KD1235BK reduces throttle restriction, some users report that it can introduce slight throttle lag in certain conditions, particularly if the engine is not properly tuned. This is often mitigated by tuning the ECU to account for the larger throttle body.

3. **Cost**

The Kyostar KD1235BK is not a cheap part, especially when factoring in the cost of supporting modifications. For example, upgrading to a 92mm throttle body may require spending an additional $200 $500 on fuel injectors, a tune, and other related components. This can be a significant investment for casual enthusiasts.

4. **Compatibility Issues with Stock Components**

Some users have reported minor compatibility issues with stock LS-series components, such as the stock throttle position sensor (TPS) or ECU. In these cases, a performance throttle body controller (TBC) or an aftermarket ECU tune may be necessary to ensure proper operation.

5. **Potential for Carbon Buildup**

Like any throttle body, the KD1235BK can accumulate carbon deposits over time, especially in high-mileage or high-performance applications. Regular cleaning or replacement of the throttle body may be required to maintain optimal performance.

6. **Not a "Drop-in" Power Solution**

The KD1235BK is not a magic bullet for power gains. It is one piece of a larger puzzle, and without proper tuning and supporting modifications, the results may be disappointing. Many users who expect massive power gains without additional upgrades end up disappointed.

7. **Limited Benefits for Naturally Aspirated Stock Engines**

If your engine is already heavily modified with a high-flow intake, large injectors, and a tune, the benefits of upgrading to a 92mm throttle body may be minimal. In such cases, the cost may not justify the gains.

---

### **Conclusion**

The Kyostar KD1235BK 92mm throttle body is a solid choice for LS-series engine builders looking to improve airflow and throttle response. It offers noticeable benefits in horsepower and drivability when paired with the right supporting modifications. However, it is not a standalone solution and requires careful consideration of your engine s current setup.

For naturally aspirated LS engines that are stock or lightly modified, the KD1235BK can provide a significant boost in performance with relatively straightforward installation. For forced induction builds, it serves as a good foundation for future upgrades.

That said, if you are on a tight budget or only looking for minor improvements, the gains may not be worth the investment. Additionally, if your engine is already heavily modified, the benefits may be marginal compared to other performance parts.

---

### **Recommendation**

**Buy the Kyostar KD1235BK if:**

- You are building or modifying an LS-series engine for improved airflow and throttle response.

- You are willing to invest in supporting modifications, such as fuel injectors, an ECU tune, and possibly an intake manifold.

- You plan to use the engine in performance applications, such as drag racing, track driving, or high-RPM operation.

- You want a reliable, high-quality throttle body from a reputable manufacturer.

**Avoid the Kyostar KD1235BK if:**

- You are on a tight budget and cannot afford supporting modifications.

- Your engine is already heavily modified with a high-flow intake and large injectors, as the gains may be minimal.

- You expect dramatic power gains without additional tuning or upgrades.

- You are unsure about the compatibility of your current ECU or throttle body controller.

**Final Verdict:**

The Kyostar KD1235BK is a worthwhile upgrade for serious LS engine builders who are committed to improving their engine s performance. It is best suited for those who are prepared to invest in a full performance package, not just a single part. If you are looking for a straightforward, high-quality throttle body that will deliver measurable gains when properly supported, this is an excellent choice. However, if you are only looking for minor improvements or cannot commit to the necessary supporting modifications, you may want to reconsider or explore alternative upgrades.

Details:

Used 92mm Throttle Body For Chevrolet GM LS3 LS7 L76 L99 Corvette Camaro SS 90mm SS,: Brand New 92mm Electronic Throttle Body With Actuator, Usually we'll lower the value and mark item as t. This Throttle Body is manufactured and tested to the strictest OE standards for unparalleled performance.

Built for trouble-free ownership and 100% visually inspected quality tested. This Throttle Body is backed by our 100% satisfaction guarantee. Above time are for reference ONLY.

specifications throobo:

  • for models: Ls3, Ls7, Ss, Corvette, Camaro
  • for makes: Chevrolet
  • brand: Kyostar
  • mpn: Kd1235bk
  • material: Aluminum
  • fitment type: Direct Replacement
  • oe/oem part number: 12605109
  • type: Throttle Body
  • color: Black
  • features: Electronic
  • connector type: Pin
  • universal fitment: No
  • country of origin: China

returns throobo:

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

seller throobo:

  • city: Hebron, Kentucky
  • rating: 99.5%
  • # reviews: 835

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  • wallet: Paypal

shipping throobo:

  • transit: 5-9 Days
  • class: Economy
  • type: Fixed
  • carrier: UPS
  • cost: $0.00
  • service: UPS Ground Saver

offer throobo:

  • quantity: 1
  • best offers: True
  • sold: 0
  • options: Ship-to-home
  • availability: In Stock
  • started: April 23, 2026

general throobo:

  • condition: Used
  • Car Truck Parts Accessories > Air Fuel Delivery > Throttle Bodies
for models: ls3, ls7, ss, corvette, camaro, for makes: chevrolet, fitment type: direct replacement, oe/oem part number: 12605109, type: throttle body, features: electronic, connector type: pin, universal fitment: no, country of origin: china,
category: auto parts > car truck parts accessories > air fuel delivery > throttle bodies, color: black, material: aluminum, sku: 11684250373552892,
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