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Sonnax 77764-01

Billet Forward Clutch Piston 4L60, 4L60-E, 4L65-E, 4L70-E

Sonnax 77764-01

852-77764-01

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Estimated ship date 08/28/17 if Ordered Today
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Sonnax 77764-01 Billet Forward Clutch Piston 4L60, 4L60-E, 4L65-E, 4L70-E $109.43
Billet Forward Clutch Piston
  • 4L60, 4L60-E, 4L65-E, 4L70-E

  • Sonnax 77764-01 Details

    Forward Clutch Piston

    The OE cast aluminum forward piston frequently breaks due to rough castings and high stresses. This billet aluminum forward piston eliminates these concerns by using high strength billet material and a design with added contours in the high stress areas. This piston can be used by itself or with Sonnax input housing reinforcement sleeve kit 77733-01K. No machining or modification is required to use this piston and it can be used in all 4L60/4L60-E/4L65-E as long as it is used in conjunction with an aluminum over run piston.

    • Eliminates concerns of forward piston breakage.
    • Improved durability and strength over the OE's cast aluminum forward piston.
    • Can be used in both early and late model transmissions.

    Specifications:

    Manufacturer's Part Number:
    77764-01

    Sonnax offers replacement clutch hubs, drums, pistons and components made from quality forgings. All splines and thrust surfaces are precision machined to exacting tolerances, for a perfect fit. Designed for heavy duty and racing applications.

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