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  • K77911-03K
  • 77911-03K
  • 77767K
  • K77911-03K 77911-03K 77767K

    700 700R4 4L60 4L60E 4L65E 4L70E Sonnax Super Hold Servo Combo Kit

    Sonnax Industries

    MSRP:
    Now: $316.99
    (You save )
    (No reviews yet) Write a Review
    SKU:
    K77911-03K
    Condition:
    New
    Weight:
    3.00 LBS
    Width:
    6.00 (in)
    Height:
    6.00 (in)
    Depth:
    3.00 (in)
    Shipping:
    Calculated at Checkout

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    Product Description

    New 700 7R4 700R4 4L60 4L60E 4L65E 4L70E Sonnax Complete Servo Upgrade Combo Kit.

    Second Gear "Super Hold Servo" 77911-03K

    "Super-Hold" 4th. 77767K


    This Listing Is For (1) One New Combo Sonnax Servo Kit With A "Super-Hold" 2nd Gear Servo Piston & Pin Kit 77911-03K And With The "Super-Hold" 4th. Cover Kit 77767K.



    This Piston Kit Will Fit These Automatic Transmissions;

    GMC       CHEVY        CADILLAC     OLDSMOBILE       PONTIAC

        700R4 - 700 - 7R4 1982-On
        4L60 1987 THRU 1993
        4L60E 1993-ON
        4L65E 2001-ON
        4L70E


    This Listing Is For (1) One Combo Servo Piston Kit That Comes With These Items;

        (1) NEW SONNAX "SUPER-HOLD" 77911-03K PISTON KIT
            2ND. GEAR PISTON SERVO ASSEMBLY
            NEW SONNAX SUPER HEAVY DUTY BAND APPLY PIN WITH TEFLON SEALS AND RUBBER O'RINGS
            ALL NEW SEALS AND RINGS NEED TO INSTALL THIS SERVO KIT.
            COMPLETE EASY TO FOLLOW INSTRUCTIONS.
        (1) NEW SONNAX "SUPER-HOLD" 77767K 4TH. GEAR SERVO KIT
            4TH GEAR HOLD COVER ASSEMBLY
            STEEL WASHER
            ALL NEW SEALS AND RINGS NEED TO INSTALL THIS SERVO KIT.
            COMPLETE EASY TO FOLLOW INSTRUCTIONS.


    This Piston Kit Is A Great Update To Every Transmission Either When Rebuilding Or Just Refreshing It Up.


    This Kit Will Offer These Benefits When Properly Installed;

        18% more apply area than OEM Corvette servo
        Dual seals on 2nd apply piston and separator
        Servo piston and separator are made from 6061- T6 aluminum
        O-ring seal between pin and 2nd gear piston
        Two Teflon® rings seal pin to bore
        Servo pin is made from Chrome-moly steel
        Kit includes all necessary seals
        40% More surface area for greater holding power
        Easy to install - transmission removal is not required
        D-ring seals for improved sealing
        Billet aluminum cover


    SONNAX PART SUMMARY

    The Sonnax 4L60/4L60-E 2nd Gear “Super Hold” Servo has 18% more apply area than the “Corvette” servo (largest OEM) and maximizes holding power in 2nd gear with more positive 1-2 and 2-3 shifts. Dual seals on the 2nd gear piston and separator ensure positive band apply/release and eliminate cross leaks, which contribute to 2-4 band and 3-4 clutch failure. This servo is the perfect option when more holding power is desired without causing excessively harsh upshifts and downshifts. The included apply pin is longer than the longest OE pin, and has added seals to reduce leakage of 3rd and 4th gear oil pressure. For the ultimate servo combination in your 4L60/4L60-E, Sonnax recommends using the 77767K 4th Gear “Super Hold” Servo with the 77911-03K 2nd Gear “Super Hold” servo.


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    K77911-03K
    Sonnax Industries
    700 700R4 4L60 4L60E 4L65E 4L70E Sonnax Super Hold Servo Combo Kit

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