200-4R Super Servo
1..25% more apply surface area than the O.E. servo.2. 11% more apply surface area than the GM Grand National servo.3. Super positive 1-2 shift.4. Improves and cleans up 2-3 shift.5. Positive 3-2 kick down response.6. Lip seal design on the piston.7. Increased holding power in 2nd gear.8. Servo kit consists of: two piece 6061-T6 billet aluminum piston and servo cover, 2 lip seals for billet piston, servo cover O-ring and easy to follow instructions.