Sonnax Smart Sun Shell 77749-02K 4L60E 700R4 4L65E 4L70E 1982-up

Modified Item: No Country/Region of Manufacture: United States Custom Bundle: No Manufacturer Part Number: 77749-02K  Brand: Sonnax Fitment Type: Performance/Custom Non-Domestic Product: No Drive Type: 4WD,AWD,RWD Manufacturer Warranty: Unspecified Length SmartShell® Heavy Duty Reaction Shell Kit TH700R4 4L60E 4L65E 4L70E GM TRANSMISSION fits all varieties of these transmissions 1982-UP Solves Multiple Problems in All Performance Applications In GM 4L60, 4L60-E, 4L65-E and 4L70-E units, bulky aftermarket shells always fall short when splines continue to strip and the shells break under stress. A chronic problem with both OE and thicker aftermarket shells is failure of the rear planetary bearing. From daily jobs to extreme builds, the Sonnax SmartShell heavy-duty reaction shell kit 77749-02K is the only way to prevent shell failure AND protect the bearing. The SmartShell avoids the weight found in traditional, heavy-duty aftermarket shells thanks to a unique combination of improved