GM TH400 Complete Racing Transmission – 850HP – 2.48 Gear – Stock Case
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GM TH400 Complete Racing Transmission – 850HP – 2.48 Gear – Stock Case

New In stock · Ships from Ohio
$100.00 USD · free U.S. shipping over $1500

Experience unparalleled power and reliability with the GM TH400 Complete Racing Transmission, engineered for up to 850HP. This high-performance transmission features a 2.48 gear ratio and a stock case, making it the perfect upgrade for serious racers. Order now from Spoon Parts USA for fast shipping and competitive pricing.

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Product details

Overview: Unleash the Power with the GM TH400 Complete Racing Transmission

When it comes to high-performance racing, the transmission is the heart of your vehicle’s power delivery. Spoon Parts USA is proud to present the GM TH400 Complete Racing Transmission, meticulously engineered for enthusiasts and professional racers who demand nothing less than perfection. This powerhouse unit is designed to handle an incredible 850 horsepower, providing the robust strength and precise shifting required to dominate the track. Built on a proven stock case, this TH400 transmission maintains excellent fitment while incorporating advanced racing components for superior durability and performance.

Whether you’re upgrading an existing setup or building a new racing machine from the ground up, this TH400 racing transmission offers the reliability and power-handling capabilities you need. Forget about weak links in your drivetrain; this transmission is a testament to engineering excellence, ready to transform your vehicle’s performance. Don’t compromise on quality or power; choose the TH400 from Spoon Parts USA and experience the difference.

Key Features and Specifications

  • Horsepower Rating: Engineered to withstand and efficiently transmit up to 850 HP. This substantial power handling ensures it’s suitable for a wide range of high-performance engines and racing applications.
  • Gear Ratio: Features an optimized 2.48 first gear ratio, providing a strong launch and balanced progression through the gears, crucial for drag racing and other high-demand environments.
  • Case Type: Utilizes a Stock Case, ensuring compatibility and often simplifying installation. The stock case is reinforced and prepared to handle the increased power, maintaining structural integrity without unnecessary bulk.
  • High-Performance Clutch Packs: Equipped with heavy-duty, high-energy clutch packs designed for maximum holding power and durability under extreme heat and pressure.
  • Performance Valve Body: Features a full manual or trans-brake valve body (specify at order) for precise, lightning-fast shifts. This allows for complete driver control and optimizes power delivery.
  • Improved Internal Components: Includes strengthened input shafts, direct drums, and other critical components to prevent flex and failure under high torque loads. Many of these enhancements come from trusted brands like those found in BTE Racing: TH400 Components.
  • Spoon Parts USA Quality Assurance: Each unit is meticulously assembled and tested by our experts to meet stringent quality standards, ensuring unmatched reliability right out of the box.

Applications and Fitment

The GM TH400 is a legendary transmission, celebrated for its legendary strength and adaptability. This racing variant is ideal for a multitude of high-horsepower applications, including:

  • Drag Racing: Perfect for vehicles in various classes, delivering consistent, powerful launches and rapid gear changes.
  • Street/Strip Cars: Provides the durability needed for weekend track warriors and the robust performance desired for street cruising.
  • Off-Road Racing: Suitable for extreme off-road environments where immense torque and reliability are paramount.
  • Custom Builds: An excellent foundation for bespoke performance projects, offering immense potential for customization and tuning.

This TH400 can be paired with a wide range of engines, from stroked small-block Chevys to big-block monsters. For instance, imagine pairing this with a setup similar to our SportMonster TH400 Transmission & Chevy 383 Engine Powertrain Package for an unbeatable combination of power and durability. Always confirm specific vehicle and engine compatibility with our experts if you have any questions before purchasing.

Installation Notes

While this transmission is designed for relatively straightforward installation in vehicles originally equipped with a TH400 or those modified to accept one, professional installation is highly recommended. Proper fluid levels, cooler line routing, and torque converter selection are crucial for optimal performance and longevity. Ensure your torque converter is matched to your engine’s power band and your racing application to maximize the transmission’s efficiency. Spoon Parts USA recommends using a high-quality, synthetic racing transmission fluid for peak performance and protection.

Warranty and Quality Assurance from Spoon Parts USA

At Spoon Parts USA, we stand behind the quality and craftsmanship of all our products. The GM TH400 Complete Racing Transmission comes with a comprehensive warranty (details available upon request and with purchase) covering defects in materials and workmanship. Our commitment to excellence means every transmission undergoes rigorous testing before it leaves our facility, ensuring you receive a product that meets or exceeds your expectations for performance and reliability. We are confident in our products, and we want you to be too.

Why Buy From Spoon Parts USA?

Choosing Spoon Parts USA for your high-performance transmission needs is a decision for quality, expertise, and outstanding customer service. We specialize in transmissions, transfer cases, and drivetrain parts, giving us an unparalleled understanding of what racers and performance enthusiasts require. When you purchase from us, you benefit from:

  • Expert Knowledge: Our team consists of automotive powertrain specialists who can help you choose the right components for your build.
  • Premium Quality Products: We source and build only the best, ensuring durability and peak performance.
  • Competitive Pricing: Get top-tier racing components without breaking the bank.
  • Fast and Reliable Shipping: We understand that downtime is costly. We strive to ship your order quickly and efficiently.
  • Dedicated Support: From pre-purchase questions to post-installation advice, our customer service team is here to support you every step of the way.

Elevate your racing game. Buy from Spoon Parts USA today and invest in a drivetrain that won’t let you down.

Frequently Asked Questions (FAQ)

Q: What kind of power can this TH400 handle specifically?

A: This GM TH400 Complete Racing Transmission is rated to handle up to 850 horsepower reliably. This makes it suitable for a vast array of high-performance V8 engines and forced induction applications.

Q: Is this a ‘ready-to-install’ transmission, or does it require additional parts?

A: This is a complete, ready-to-install racing transmission. However, you will need to provide your own appropriate torque converter, transmission fluid, and potentially a flexplate/flywheel if not already compatible with your engine and the TH400.

Q: Can I use this TH400 in a street car, or is it strictly for racing?

A: While engineered for racing, its robust construction makes it an excellent choice for high-horsepower street/strip applications where durability and performance are paramount. The type of valve body (manual or automatic with trans-brake) will influence its street manners.

Q: What is the benefit of the 2.48 first gear ratio?

A: The 2.48 first gear ratio provides a strong, aggressive launch, which is highly beneficial for drag racing and other applications requiring rapid acceleration off the line. It’s a common and effective ratio for high-performance TH400 setups.

Q: Do you offer custom configurations or upgrades for this transmission?

A: While this is a complete unit, Spoon Parts USA may offer various options or can guide you on compatible upgrades. Please contact our sales team directly to discuss any specific customization needs you might have for your racing TH400 project.

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