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Race Converters  

Ordering your TCI® Race Converter
At TCI®, we build race converters to suit the wants and needs of a variety of racers so we design literally hundreds of race converter combinations. Our rebuild department can rebuild or repair most any brand of torque converter to TCI® specifications. TCI® converters can also be manufactured to accommodate motor plates. This section contains the part numbers necessary to describe the application (transmission type) and to obtain pricing from our price list. To order, simply provide as much information as possible and either give it to your distributor or contact one of our technical advisors and let TCI® specify the right converter for your vehicle and driving style. See our online application form.

7" Race Converters
TCI® helped lead the way in the design of the 7" race converter. Developed for use with a small cubic inch engine or very high rpm engine (8500+ rpm) that requires the ultimate high-stall converters. The TCI® 7" race converter delivers higher stall and better top-end lock-up than an 8" converter. Because of the wide variety of engine combinations, tire sizes, gear ratios and weights of different vehicles, we have provided a reference chart to use when ordering your 7"·converter. Click here for the application chart.

Features:

360-degree mark steel mounting ring 

Reverse cone anti-ballooning plate 

3 sets of Torrington bearings 

High-load sprag and steel stator 

Furnace-brazed fins

 

8" Race Converters
Our best-selling race torque converter. Suitable for the greatest percentage of drag cars, TCI® 8" converters win races in classes from bracket racing and Super Gas to Sand Dragging and Stock Eliminator. We continually work to refine the dependability and consistency in these converters to give you a better unit. Most of our models now feature a cast steel stator supported by an oversize caged bearing for added reliability. Current models also feature an improved housing design for less flex or ballooning under the stress of racing, resulting in more consistent elapsed times, faster reaction times and better durability.
Click here for the application chart.
Features:

8" Steel ballooning plate  

Forged steel front  

3 Sets of Torrington bearings 

Furnace-brazed fins  

High load sprag

Cast steel stator where applicable


9"-10"-11" Race Converters
All TCI® race converters incorporate aftermarket high-load sprags, furnace-brazed and reinforced fins, needle bearings and hardened steel pump hubs. All of our 9-inch converters are built to be suitable for a Trans-Brake or ultra-high horsepower application. Click here for the application chart.

Features:

Ballooning plates (9" & 10" only) 

3 Sets of Torrington bearings 

Steel mounting ring (9" & 10" only)

 

PRO-X™ 9" & 10" Race Converters
TCI® offers a complete line of torque converters built exclusively for six-second nitrous engines. All of these converters incorporate hand-fabricated steel stators, oversize bearings, races and anti-balloon plates. They are well-suited for 500-plus cubic inch engines with multiple-stage nitrous or supercharged induction. Click here for the application chart.

Mounting Bolts
The proper size and grade fasteners for our products.

Application Part Number
GM 8" and 9" competition converters, must use 7/16" - 20 x 1" (3/pkg.) 745500
Extra long converter bolt & nut kit 7/16" - 20 x 1 ˝ " long (3/pkg.) 745501
8" 1/2" motor plate extension kit 745502
8" 1/4" motor plate extension kit 745504
8" 1/8" motor plate extension kit 745508
 
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