Scott McClay Engineering – Scott McClay Engineering

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Your transmission should be a new Generation 3 Speed for Comp, Stock & Super Stock Racers from Scott McClay Engineering!

Our TH200 Automatic 3-speed Transmission

Weighs the same as a 2-speed Powerglide.
Helps motors with narrow power curves (needed for small motors in heavier cars).
Allows you to use a lower first gear without laying on the converter after the gear change.
Is a great tuning aid for bad air tracks.
Needs no engine adapter. Our TH200s overall length, crossmember, and output shaft are the same as your Powerglide.
Is available with TH200 input or optional converter retrofits for Powerglide or Turbo converters.
Has a dependable industrial solenoid transbrake which is NOT prone to debris malfunction.
Uses a standard shifter pattern of PRN321 to allow shifting into neutral without a special shifter.
Is custom built for your specific application.

Substantial weight savings & acceleration spin up.

Lightweight & durable for drag racing.

21” DRAGSTER SHORTY MODELS are available. Approx 3 inches longer than a shorty Powerglide.

If your shorty Powerglide has a slip coupler, the TH200 will fit with a short fixed coupler.

(MW #40800)