Grand National Style Billet THM 200 200-4R Servo Kit


Out of stock

Grand National style Servo Assembly

Out of stock



This THM 200 & THM 200-4R servo is our complete OE replacement that has 30% more fluid apply area than GM’s best piston.

It maximizes holding power in 2nd gear, more positive 1-2 & 2-3 shifts.

It features:

  • 6061-T6 CNC manufactured billet construction
  • 2nd gear has 30% more fluid apply area than GM’s best piston
  • OE style PTFE seals create a positive seal without causing band drag
  • All stock hard parts are interchangeable
  • Increased holding power, more positive 1-2 and 2-3
  • Can be installed without removing transmission from vehicle
  • Piston seal will come to you already installed
  • All necessary seals are included

Servo pin not included and is shown assembled only for reference.

Additional information

Weight 2 lbs
Dimensions 6 × 4 × 4 in


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