SPARK KGM3 Torque Converter Stall 325/400/425 1300-1500

( Brand: Spark ), ( Manufacturer Part Number: KGM3 ), ( Part Type: Torque Converter )

Review SPARK Reman 325/400/425 Lows Torque Converter 1300-1500 Stall fits RECON TC 325 400 425

The **Spark KG-M3 Recon TC 325/400/425 Low-Speed Torque Converter** is a high-performance, bolt-on conversion designed specifically for enthusiasts seeking to maximize power delivery and responsiveness in their naturally aspirated or mild turbocharged applications, particularly in vehicles with 325, 400, or 425 stall-speed torque converters. Engineered for use in high-torque, high-revving engines such as those found in LS-based platforms, small-block Chevys, or other performance-oriented drivetrains this torque converter is built to handle the demands of aggressive driving, drag racing, or street tuning while delivering a more linear, engaging shift feel. The **1300 1500 stall range** strikes an ideal balance between low-end torque multiplication and high-revving capability, making it perfect for applications where quick spool and immediate power transfer are critical. The **KG-M3 Recon TC** features a **3-pump design** with a **high-efficiency stator** and **optimized impeller and turbine blades**, ensuring superior fluid dynamics for consistent stall speed and reduced stall speed variation under heavy loads. Constructed from **high-grade aluminum alloy**, this torque converter is lightweight yet durable, with precision-machined components that minimize internal friction and maximize efficiency. The **low-speed design** enhances throttle response, allowing the engine to spool quicker and engage the transmission more smoothly, which is especially beneficial in high-torque applications where traditional converters might struggle to maintain consistent stall speed. Whether paired with a **Tremec TR-6060, Tremec TR-6070, or other high-performance transmissions**, this torque converter is engineered to complement modern performance builds, offering a blend of **aggressive engagement and smooth operation** that enthusiasts can trust for both street and track use. Built to withstand the rigors of high-performance driving, the **Spark KG-M3 Recon TC** is a premium choice for those looking to refine their drivetrain s power delivery without sacrificing reliability.

### **Pros and Cons of Buying a Spark KGM3 Recon TC (325/400/425 Low-Speed Torque Converter, 1300 1500 Stall)**

1. **Performance-Oriented Design** The KGM3 Recon TC is engineered for high-performance applications, particularly in muscle cars, drag racing, and street/strip builds. The low-speed stall range (1300 1500 RPM) ensures quick engagement for aggressive launches, making it ideal for drivers who prioritize acceleration over fuel efficiency.

2. **Durability and Strength** Spark s KGM3 line is built with high-quality materials, including heavy-duty stamping and precision machining, which enhances longevity under heavy loads. The torque converter is designed to handle sustained high-torque applications without premature wear.

3. **Customizable Stall Speed Options** The availability of stall speeds (325, 400, or 425) allows buyers to match the converter to their engine s powerband and driving style. Lower stall converters (e.g., 325) are better for high-horsepower engines needing quick spool, while higher stalls (e.g., 425) offer better torque multiplication for less powerful engines.

4. **Compatibility with Performance Transmissions** The KGM3 Recon TC is designed to work well with modern performance transmissions, including Tremec T56, T60, and other high-performance units. This makes it a versatile choice for builds that require a balance of strength and responsiveness.

5. **Reputation for Reliability** Spark is a well-established brand in the performance torque converter market, known for consistent quality and aftermarket support. Many racers and tuners trust Spark converters for their durability and performance.

6. **Ease of Installation** The KGM3 Recon TC is designed with standard dimensions, making it relatively straightforward to install in most applications without requiring extensive modifications to the transmission or drivetrain.

7. **Good for Street/Strip Use** The low stall range is particularly advantageous for drag racing and street/strip applications, where quick launches and strong acceleration are critical. It also performs well in high-torque applications like turbocharged or supercharged engines.

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1. **Not Ideal for Fuel Efficiency** A low-stall torque converter (1300 1500 RPM) increases engine RPM under acceleration, which can reduce fuel economy. This is a trade-off for drivers who prioritize performance over efficiency.

2. **Potential for Transmission Strain** While the KGM3 Recon TC is strong, pairing it with a transmission that isn t designed for high-torque applications (e.g., a stock automatic) can lead to premature wear or failure. A robust transmission, such as a Tremec T56 or a heavy-duty automatic, is recommended.

3. **Limited Use Case for Everyday Driving** The aggressive stall speed may feel harsh or jerky in stop-and-go traffic or light-duty applications. It s best suited for performance-focused vehicles rather than daily commuters.

4. **Cost** Performance torque converters like the KGM3 Recon TC are more expensive than stock units. The price reflects the materials, engineering, and performance benefits, but it may not be justified for low-power applications.

5. **Requires Proper Tuning** To fully utilize the converter s potential, the engine and transmission must be properly tuned. Mismatched power delivery (e.g., too much torque for the converter or transmission) can lead to poor performance or damage.

6. **Potential for Overheating** High-performance converters generate more heat, especially under heavy loads. Ensuring adequate cooling (e.g., transmission cooler, proper fluid) is essential to prevent long-term damage.

7. **Warranty Limitations** Like most aftermarket parts, the KGM3 Recon TC may have limited warranty coverage compared to OEM units. Users should carefully review the warranty terms before purchase.

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The **Spark KGM3 Recon TC (325/400/425 stall, 1300 1500 RPM)** is an excellent choice for **high-performance applications**, particularly in muscle cars, drag racing, and turbocharged/supercharged builds where quick launches and strong acceleration are desired. Its durability, customizable stall options, and compatibility with performance transmissions make it a strong contender in the aftermarket torque converter market.

However, it is **not ideal for fuel-efficient driving, light-duty vehicles, or applications where smoothness and longevity in everyday use are prioritized**. Buyers should ensure their transmission, drivetrain, and engine are capable of handling the converter s demands, and proper tuning is essential for optimal performance.

- **Buy if:** You have a **high-performance vehicle** (e.g., a muscle car, turbocharged engine, or drag racing setup) and need a **low-stall torque converter** for aggressive launches. You re willing to invest in a **robust transmission, cooling system, and tuning** to match the converter s capabilities.

- **Avoid if:** You re looking for a **daily driver** with good fuel economy or a **low-torque application** where a higher-stall or stock converter would suffice. You may also want to reconsider if your transmission isn t rated for high-performance use.

- **Best for:** **Street/strip builds, drag racing, turbo/supercharged engines, and high-horsepower applications** where a balance of strength and responsiveness is needed.

For most **stock or lightly modified vehicles**, a stock torque converter or a slightly higher-stall aftermarket unit may be more practical. However, if you re committed to a **performance-focused project**, the KGM3 Recon TC is a **solid, reliable choice** from a trusted manufacturer.

Details:

Out of box Recon KGM3 TC 325/400/425 Lows Torque Converter, Converter; Remanufactured, 13 Body Diameter, Slotted Hub Type, 3 Mounts, Pad Mount 11.5 Bolt Circle, 1.703 Pilot Outside No Ring Gear, 1300-1500 Stall, 30 Turbine Splines, Lock-Up This is our house-brand. Country of Origin: origin is stated on product packaging. Shipping: Free Shipping is for contingent USA only. Spark part number KGM3.

Please refer to the products photograph for actual country of origin. These items, although NEW, may contain shelf wear or imperfections due to the age of product. Free Shipping is for continental USA only.

part #: kgm3 price

• $197.95

specifications torquconv:

• for models: Tc, 325, 400, 425, Recon
• brand: Spark
• mpn: Kgm3
• part type: Torque Converter

general torquconv:

• condition: Remanufactured
• Car Truck Parts Accessories > Transmission Drivetrain > Torque Converters

offer torquconv:

• options: Ship-to-home
• sold: 0
• quantity: 3
• started: April 24, 2026
• availability: In Stock

returns torquconv:

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

shipping torquconv:

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

payments torquconv:

• wallet: Google-pay
• credit card: Diners-club
• other

seller torquconv:

• city: Houston, Texas
• rating: 99.8%
• # reviews: 282489

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