Performance Parts and Racing Parts Campbell Enterprises

Powerglide Transbrake Powerglide Transmission Trans Brake Racing Valve Body

 

A powerglide transbrake valve body installed in your powerglide transmission gives you the option of drag racing in the electronics classes. In addition to providing the hard hitting launches that trans brake equipped powerglides are known for, many racers find improved consistency in ETs using this combination. The Powerglide transmission has evolved into one of the most popular racing automatic transmissions available and installing a powerglide trans brake offers even more versatility.

If you would like a further definition of what a powerglide trans brake is and how it works, please click here.

 

If you are looking for a manual shift valve body but do not want a trans brake, please view our manual valve body products here.

 

JW Performance Transmissions, Inc. builds some of the best quality powerglide transbrake valve bodies on the market. We offer their entire line of dependable, hard hitting transmission brakes. When using electronics like a delay box, you make the best use of them by using the delay box with a trans brake.

 

JW Performance Transmission Powerglide Trans Brake Valve Bodies

JW Performance Transmission Powerglide Transbrake Logo

Automatic Transmission Model Powerglide Transbrake Type Part Number

GM Powerglide Transbrake

GM = Buick, Chevy, Chevrolet, GM, General Motors, Oldsmobile, Pontiac OEM model power glide transmissions, JW Performance and other aftermarket GM based transmissions

PRO TREE Forward pattern quickest launches .400 tree

jw 10284

$674.31 $640.59

Add To Cart

Bracket Race Forward pattern .500 tree

jw 10280bf

$588.57 $559.14

Add To Cart

Bracket Race Reverse pattern .500 tree

jw 10281br

$588.57 $559.14

Add To Cart

This is a complete replacement transbrake valve body. This valve body is installed in place of the original stock valve body.

 

Q: What is a powerglide trans brake ? How does a power glide transbrake work?

A) An automatic transmission transbrake is a modified or aftermarket valve body which puts the trans into first gear, and reverse gear at the same time. As long as power is supplied to the valve body the vehicle will not move. This allows the engine to be brought up to a higher rpm than what is possible when "foot brake" racing. When the brake is engaged, there is no torque being applied to the driveshaft, so the suspension is also in an unloaded state. When current is removed from the brake, the reverse component of the trans is released, and torque is applied to the driveshaft very abruptly. This "hits" the tires harder, more like what a manual transmission car does when the clutch is released. Since the transbrake is controlled by applying an electrical current, it is also the preferred method of controlling when the car launches when using delay boxes and other modern drag race electronics.

A powerglide equipped with a transmission brake can be used in a street vehicle, but is most commonly used for serious drag racing.

 

Automatic Transmission Shifters

B&M Pro Ratchet Racing Automati Shifter Image

Big selection, BEST price guarantee and FREE shipping!

Please CLICK HERE to view our automatic transmission shifter kits and replacement cables

 

 

JW Performance Trans Brake Valve Body Index | Powerglide Transbrake | Turbo 350 Brake | Turbo 400 Trans Brake | JW Performance Transmissions Catalog Index | Automatic Transmission Adjustment, Tips and FAQ |

 

 

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