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Products
Hard Parts
Superior Transmission Parts, Inc.
GM Super Servos
GM Super Servos
Superior Transmission Parts Billet 2nd Gear Super Servo Kit 4L65E 4L70E 4L75E
Transtar Part No.
– A74905H
Transmission
– GM 700R4, 700-R4, 4L60, 4L60E
Position
– 1-2 Band Apply Servo
This Problem Solver deals with these problems: Sluggish performance when positive shift is demanded; Lack of holding power in 2nd. Largest apply area available for 700-R4. 35 percent more apply area than the Corvette servo. Super positive 1-2 shift. Quicker servo release on the 4-3 downshift. Positive 3-2 kick down. Adjustable pin tip included to set perfect band clearance. Great for heavy service, towing, racing and off-road. Also can be installed on the 4L60-E. Kit contains two-piece 6061-T6 billet aluminum piston set with three piece steel washer set, servo clip, servo pin extender, custom return spring and four piece Teflon sealing, ring and O-ring set.
Features and Benefits
:
11% increase in apply surface area over OEM designs
Made from 6061-T6 billet aluminum in the USA.
Piston features lip seal design to prevent leaks
Eliminates 4-3 release drag with special return spring
Installation accomplished without removing transmission or valve body
Superior Transmission Parts 4L60/4L60-E Super Servo 4th Apply Piston & Cover
Transtar Part No.
– A74902H
Transmission
– GM TH700-R4, 4L60/E, 4L65E, 4L70E
Position
– 3-4 Servo
Better holding capacity in 4th gear, Lip seal design on piston (less leakage), Proper 4-3 (no drag) release, Constructed of billet aluminum.
Features and Benefits
:
Made from 6061-T6 billet aluminum
Adds up to 80% increased apply area when compared to the smallest stock servo, and double of the Corvette “093” servo.
Increased apply area means the most apply holding power for any servo for this transmission.
Improves shift timing and feel and reduces heat from positive band apply.
Utilizes Teflon® rings to eliminate drag from the OEM rubber rings
Includes a Teckpak Pin Extender. Must use with the OEM GM pin.
Good for turbo engine applications
Recommended to also purchase the 4th Gear Super Servo (K034 / A74902H) for full unit upgrade
Superior Transmission Parts 200-4R Super Servo
Transtar Part No.
– A54907BS
Transmission
– GM 200-4R
Position
– 1-2, 2-3 Servo
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.
Features and Benefits
:
11% increase in apply surface area over GM Grand National OEM servo design
Made from 6061-T6 billet aluminum in the USA.
Improves positive 1-2 shift, 2-3 shift, 3-2 kickdown
Increased holding power in 2nd gear
Piston features lip seal design to prevent leaks
Requires dropping of the pan to align the band
Superior Transmission Parts 4L30-E Low Band Super Servo
Transtar Part No.
– A74905H
Transmission
– GM 180C (Postal), 4L30E
Position
– 1-2, 2-3 Servo
This servo deals with these problems: Resists wear in the pin bore, Increased forward engagement pressure, Reduced band failure and engagement problems.
Features and Benefits
:
Helps to eliminate 2nd gear bind up, burned up low band and 2nd gear, and 3rd gear circuit leaks
Made from 6061-T6 billet aluminum in the USA.
Good for Postal Transmissions
Good for all GM and BMW 4L30E applications
Resources:
To place an order or check availability, call your sales rep or
the Transtar location nearest you
.