What is a spragless torque converter and why is it used for mud racing?

A spragless torque converter does not have a one-way clutch (sprag). This design is often preferred in extreme applications like mud bogging because it eliminates a potential failure point under very high torque loads. It allows for consistent performance when the engine is under heavy stress.

What is the stall speed of this torque converter?

This FTI Performance torque converter has a stall speed of approximately 3200 RPM. This means the engine can reach about 3200 RPM before the converter fully couples the engine to the transmission, which is beneficial for launching in high-performance applications.

What transmissions does this torque converter fit?

This torque converter is designed to fit GM TH350 and TH400 automatic transmissions. It's important to ensure your vehicle is equipped with one of these transmission models for proper fitment.

FTI Performance Mud Racer Torque Converter 3200 Stall MR0082

Name: FTI 9.5in GM Spragless Mud Racing Converters Aluminum Stator - 3200 Stall
Brand: FTI Performance
Price: 869.31 USD
Availability: InStock

FTI 9.5in GM Spragless Mud Racing Converters Aluminum Stator - 3200 Stall

$869.31

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FTI 9.5in GM Mud Racer Series torque converter. Spragless design for mud boggers, 3200 stall.

Key Features

Fits 112+ vehicle make/model combinations.
9.5-inch diameter converter with a 3200 RPM stall speed.
Designed for GM TH350 and TH400 transmissions.
Features a strong, spragless billet center.
Includes a forged billet steel front cover for enhanced durability.
Equipped with a hardened flanged impeller hub and a steel anti-ballooning plate.

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Will this fit your vehicle?

Product Details

This FTI Performance Mud Racer Series torque converter is built for serious mud bogging. You get a 9.5-inch converter with a 3200 RPM stall speed, designed for GM TH350 and TH400 transmissions. It's a spragless unit, meaning it doesn't have a one-way clutch, which is a common requirement for extreme applications like mud racing where durability under heavy load is key.

This converter is constructed with a forged billet steel front cover for strength, a billet spragless center, and a hardened flanged impeller hub. It also features a steel anti-ballooning plate to help maintain its shape under high stress. These converters are well-suited for weekend warriors running between 400 and 1,200 horsepower, and they can hold up during occasional races. The aluminum stator is designed to help achieve that 3200 stall speed, allowing your engine to rev higher before the torque converter fully locks up, which is beneficial for launching off the line in drag or mud racing scenarios.

This unit fits a wide range of GM vehicles and transmissions, including popular models like the Chevrolet C10 and Buick Regal from the early 80s, as well as many other trucks and cars from various manufacturers. It's a solid option if you're building a vehicle for mud bogging or other high-performance applications where a strong, reliable torque converter is essential.