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The output planetary assembly in GM 6L80 and 6L90 transmissions has a lube dam, or cover, that directs lube oil flow to the planetary lube feed passages. Over time...Read More
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with Holley EPC, 3-Piece Pump
’97–’02
’03-Later
To help control the 4th clutch apply pressure and shift feel, a 3-4 accumulator piston and an accumulator valve regulatingfluid pressure are used. The 3-4 accumula...Read More
Sonnax check balls 10000-11 (.375") are made out of tough, wear-resistant imidized plastic. The Sonnax imidized plastic balls seal better than steel balls because ...Read More
Hardened internal spline, weld-in
Sonnax offers "Special Application" inner stator race GMFD-HR-1 for converting GM 258mm and 265mm cores for use in Ford 32-tooth spline applications.
Sonnax rear planetary pinion pin 77732-02 is a direct replacement for worn or damaged OE pinion pins in GM 4L60 (700-R4), 4L60-E, 4L65-E and 4L70-E units. Solid de...Read More
Sonnax front planet to reaction shaft thrust bearing 74238-01 is an OE replacement for GM 4L60-E, 4L65-E and 4L70-E units.
Sonnax PTFE-coated batwing washer 74582-01K is a direct replacement for worn or damaged OE washers in GM 4L60-E, 4L65-E and 4L70-E transmissions.
The Sonnax Performance Pack for GM 4L60-E, 4L65-E and 4L70-E transmissions is a must-have for any heavy-duty vehicle and the very best foundation for high-performa...Read More
Output shaft failure is common as power levels are increased in GM 4L60-E, 4L65-E and 4L70-E units. Sonnax heavy duty output shaft 74678S-HD for 4WD/AWD units is ...Read More
Replacement seal kit 77733-SK refreshes the piston seals in Sonnax input housing overrun sleeve kit 77733-51KA and input housing forward sleeve kit 77733-52K for G...Read More
With its .63 ratio, Sonnax 2nd Gear servo kit 77701-02K is an ideal option when upgrading GM 4L60, 4L60-E and 4L65-E applications to improve shift feel without ris...Read More